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ZCG Big-Brakes and ZCG CV Axles for Elmo’s 1972 Datsun 240Z

Filed under: 240z,Parts,Performance
by Alvin G @ 2:40 pm on June 18, 2024

 

Our Z Car Garage Big-Brakes and Z Car Garage CV Axles continue to win over Z-car enthusiasts locally and globally. Elmo P recently purchased a set of both for his 1972 Datsun 240Z and had them installed himself in SoCal. Before we go into the installation details let’s take a look at how Elmo got into Z cars…

 

ELMO: In 2005, I decided to sell my first 240z, a 1973 which I owned for almost 17 years, and the car on which I learned almost everything I know to this day about wrenching. I felt I had outgrown the Z and it no longer fit in my life. However, immediately after the sale, I felt sick to my stomach for weeks and never really got over its sale. Over the next 13 years, I would periodically search for a replacement 240z, only to find out prices had skyrocketed and I could no longer afford one. Fast forward to 2019, I was now ready to resume my search. I found a 1972 240z that had been meticulously cared for by its 2nd owner of almost 47 years. The car was mostly stock, minus the addition of an L-28, and Panasport wheels. 

 

My goal was to modify the car tastefully, with modern components where needed to increase driving pleasure, yet leave the classic body-line largely unmolested to not disturb or detract from the design’s natural beauty. Over the past 4 1/2 years, I’ve made modifications to every area of the car and I can finally say that I’m at about 95% of attaining my vision. As mentioned previously, Elmo wanted the body to remain mostly unchanged. The only additions have been a front grill and spoiler from Star Road in Japan, front bumper delete plates from Skillard, one-piece rear bumper, and Euro tail lights and front turn signals. Wheels are Volk TE37V, 16×8 +0, and 16×8.5 +10 with Toyo R888R tires in 245/45/16.

Interior

 

ELMO: The interior received many upgrades including Recaro seats, Speed Hut gauges, re-upholstered door panels, tranny tunnel, and rear shock towers, billet pedals, new dash cover and a Sparco steering wheel. However, one of my favorite modifications is that of cleaning up the rear shock towers by removing the old vinyl covering and plastic caps, and smoothing off and painting the tops of the towers, along with the addition of aluminum cover plates and new covering on the towers.

 
 

Drivetrain

 

ELMO: When I bought the car, I knew the drivetrain and suspension would be my main focus area and hence, the area where I would divert most of my modification funds. All suspension component upgrades are from Techno Toy Tuning., including adjustable coilovers, control arms and diff mustache bar. Gear shifts are handled via a rebuilt close-ratio 5-speed from a ZX which transmits power to a 3.9 OS Giken LSD. Although the L-28 that was in the car when I purchased it was recently rebuilt, my goal was to replace it with a larger displacement street/race engine to increase the fun-factor. After months of searching for a reputable L-Series builder, I came across a renowned Datsun engine builder by the name of Jeff Winter at Rallye Sport in Westminster, CO.

 

For my mostly street driving application, we decided on an L-28 bored .080 over, forged rods and flat top pistons, and one of his special cam grinds on my car’s original E88 head with a mild street port, all resulting in just under a 3.0L. Induction is handled by triple 44 PHH Mikuni carbs rebuilt by Taka from Kyusha House.


 

The exhaust is scavenged via a custom-made header from a small shop in Japan, fabricated bu Humble Engineering with a  2.5” straight pipe terminating into a 3-chamber Flowmaster. Below, also visible are T3 coil-overs, LCAs, diff brace and Z Car Garage CV Axles:

 

Z Car Garage Big-Brakes

 
 

ELMO: Although my new engine makes more power than the original L-24, and the stock brake system and half- shafts likely within their operating limits to support the increased power, I felt now was the time to make those upgrades to mitigate any future performance or drivability issues. Enter Z Car Garage. I had been following ZCG for a few years and knew that Rob was very well respected in the Datsun community, and offered many products to enhance the performance of the S30. I wanted to upgrade to rear disks, not just for better overall braking, but also for aesthetic reasons.

 

As fellow S30 owner/racer Glenn C mentioned in his review, on top of braking performance, pedal feel is extremely important and our Big-Brakes deliver. This is a direct result of working with Stoptech to create a totally bolt-in solution requiring no M/C change or additional proportioning valve/adjustments. All fitting behind a 15″ Watanabe or Panasport wheel and retaining factory emergency brake lever! A few details below:

Calipers: Stoptech ST42 4-piston front & rear race calipers (Alum 6061 mil-spec Type III anodized)

Rotors: 280mm x 20.6 with Alum 7075 hats

Pads: Stoptech 309 sport street pads

 
 

ELMO: In other words, the look of drum brakes sitting behind my new wheels just wasn’t cutting it, at least not in 2023. There is no shortage of aftermarket (AM) brake kits for the S30; however, after speaking with many owners who installed AM kits, they all shared one thing in common: No one seemed to be fully pleased with their performance. Most kits are sort of a “Frankenstein” collection of parts which often required different brake boosters, proportioning valves and other mods just to make them work somewhat effectively. In addition, most AM brake kits either did not come with a parking brake, and if they did,  functioned poorly.

 

Big-Brake Kits Available For DIY Install!

Z Car Garage is proud to offer our Big-Brake Kit to Z-Car owners that want to perform the installation themselves. We can ship worldwide and each kit contains everything needed with a comprehensive (40-page) installation guide. Blog posts documenting all of our customers running the ZCG Big-Brakes can be found HERE. Elmo’s beautiful S30 and his ZCG Big-Brake installation:

 

Our ZCG Big-Brake kit ships with everything needed to install and retains the factory parking brake function. Elmo successfully installed the BBK on his Z with and they look great behind the Volk TE37 wheels. Beyond ease of installation and quality components, our Big-Brakes perform by offering superb pedal feel…everyone that drives our demo Z confirms! This is a direct result of working with Stoptech to create a totally bolt-in solution requiring no M/C change or additional proportioning valve/adjustments. Elmo shares his feedback after replacing his existing brakes with the ZCG BBK:

 
 

ELMO: I contacted Rob to secure a set of his brakes but he advised me they were on backorder but that they’d be worth the wait, so I committed. Due to Covid supply chain issues, the wait was almost a year long, but as the saying goes, “some things are worth the wait”. I finally received my brakes and can confirm that aside from looking great, they meet or beat my performance expectations. Braking is effective, predictable, and confidence-inspiring. However, the best part is that there are no tricky performance issues that you have to figure out as they were designed from the ground-up for the S30, while still utilizing the stock brake booster and other components. All you simply have to do is install them as directed and you’re good to go. Oh, did I mention the parking brake works great!

Z Car Garage CV Axles

 
 

Our Z Car Garage CV Axles help transmit power to the ground and ensure smoother operation compared to your standard half shafts. We have over 200 CV axle kits on customer cars and we are stoked with all of the positive feedback.

ELMO: Now that the brake department was taken care of, all that was left to replace is the Achilles’ heel of any S30 with a much more powerful engine, the half-shafts. I had issues with them and their U-Joints on my first 240z which had a 3.0 and I felt that my current Z would benefit from an upgrade. Again, multiple AM options to choose from but given the research and quality of the ZCG brake kit, I felt the CV axles that Rob offered were the logical choice. The axles are beautifully machined and more than robust enough to handle my new engine’s power. I installed the axles myself and have noticed less clunking and vibration, and an overall smoother drive.

Elmo’s ZCG CV Axle set, #0446 installed:

 

What’s in store for Elmo’s Z?

ELMO: So, what’s left? Well, there’s a few odds and ends but nothing major, at least not until Rob introduces the next upgrade. I’m a firm believer that most of us never truly finish modifying our cars because they are like an ever-evolving canvas of ourselves.

 

Thanks for your support Elmo we love that you are Enjoying The Ride and Long Live The Z! More photos in the gallery below

The Last Stop in Braking for your Z

 

Z Car Garage Big Brakes are one of the best systems available for your S30 Z Car with over 200 kits sold worldwide and unanimous positive feedback. See our ZCG Big-Brakes on client cars HERE and enjoy the photos below:

 
  

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Ole Orange Bang: Larry Chen’s 1970 Datsun 240Z

Filed under: 240z,Featured Cars and Projects,Performance
by Alvin G @ 5:10 pm on December 10, 2021

 

Performance With Passion”These are words that describe our work at Z Car Garage and we are passionate about making your Z perform as good as it looks. Photographer Larry Chen commissioned ZCG to transform his beloved SR20DET-powered 1970 Datsun 240Z from an “ok driver” to a no-excuses, multi-dimensional sports car with power, handling, braking, comfort, reliability and performance to match its eye-catching beauty.

 

Join Rob and Larry as they share the story of Larry’s Z, affectionately called “Ole Orange Bang”, featuring our Z Car Garage Big-BrakesZ Car Garage CV Axles, chassis preparation, dyno tuning and more. Enjoy the videos with behind the scenes footage and photo gallery below!

 

Build History

 

Car enthusiasts and motorsport fans recognize the name Larry Chen as the greatest automotive photographer. Larry has made a career out of his passion for capturing the right moments in racing. We are huge fans of his work since the days of covering Formula Drift, time at Speedhunters, and recent work with Hoonigan Autofocus. Our favorite Larry Chen moment is his photography of Ken Block’s 1400hp Hoonicorn at Pike’s Peak for the filming of Climbkhana.

 

Larry Chen is regularly exposed to some of the coolest builds across the globe, so you can imagine our joy hearing that Larry’s personal car is a Datsun 240Z. Larry’s Z is a Series 1 (VIN# 2868) that he purchased on his 21st birthday for $3000. He started autocrossing immediately with his buddies circa 2006, and it became an integral part of his life:

 

“It’s been such a big part of my adult life, and it will continue to be a part of it for the rest. The name actually came from a Mexican drink that we love in SoCal. My car is Orange and it backfired a lot when I got it especially when I was low on gas. So it was only appropriate to call it Orange Bang. On my wedding night instead of being ferried away in a fancy limousine, I drove my beautiful wife home in the Z, after some wedding burnouts.”

 

Following years of autocross and track use, in 2013 the tired L28 was replaced with an SR20DET straight out of a former Formula Drift car.

 

Like many enthusiasts, Larry continued to modify and upgrade the Z to fit his needs…adding A/C, coil-over suspension and creature comforts along the way. We spotted a freshly painted Ole Orange Bang at the 2019 Japanese Classic Car Show:

“In 2019 my friends at Bells and Vaughn in Pasadena, California did a full ground up restoration. It has all new paint and it was taken all the way down to the metal. Just this month I picked it up from Z Car Garage in San Jose California. ZCG pretty much went through the entire car and they fixed everything that was mechanically wrong with it.”

 

When Larry Met Rob: A ZCG Story

 

We first met Larry when he visited us at the 2018 Japanese Classic Car Show in Long Beach, CA. We talked about Z cars, and how he really wanted to get our Z Car Garage Big-Brakes and ZCG treatment on his personal Z. In 2020 he trailered his Z up from LA to ZCG in February, literally a few weeks before the pandemic.

“I actually found out about ZCG on Instagram and met Rob for the first time in SoCal at JCCS. I inquired about getting brakes for my car since it couldn’t stop even with a Toyota 4×4 conversion and Nissan Maxima rear disk brakes. They were absolutely horrible. There is a reason why people ship their Z cars across the country to ZCG. The passion is there and you can see it on everything they touch.”

While visiting Z Car Garage Larry featured a few of our client cars and did a shop tour for his YouTube channel Hoonigan AutoFocus. You can click on the thumbnails below to watch the videos:

 

Fast forward a year later and Larry returned to pick up his beloved Z. He shot a few more vehicles like my my 1967 Datsun Roadster and Randy’s 1970 Salt Flat Racer but most importantly Larry finally filmed a 1hr-long Hoonigan Autofocus episode of his own Z, Ole Orange Bang. Larry was so happy with his Z he recorded a separate lock-down video for our friends at Haltech.

 

We couldn’t leave our readers hanging without our own ZCG-style feature complete with dyno videos and behind the scenes footage, so if you can’t wait any longer here it is below. Turn those speakers up and enjoy, read on for an in-depth look at our work.

The ZCG Touch

 

Larry and Rob developed a plan for Ole Orange Bang. The Z had past work performed by many folks including Larry’s buddies. We simply wanted his Z to be a multi-dimensional sports car with power, brakes, handling and comfort. Cosmetics were already handled, it just needed some mechanical love with ZCG-products that you will find on many of our ZCG builds. Let’s begin with the chassis upgrades, then go into dyno tuning/engine bay work and final details like the interior and weatherstripping.

ZCG Big-Brakes and CV Axles

We handed Larry the keys to “Mrs. Butters”, our 1971 Series 1 240z shop demo car and he was sold on our Z Car Garage Big-Brakes (for small wheels) and Z Car Garage CV Axles! Butters has a way of doing this to our clients 🙂 Read below for a brief description of these parts:

    
As fellow S30 owner/racer Glenn C mentioned in his review, on top of braking performance, pedal feel is extremely important and our Big-Brakes deliver. This is a direct result of working with engineers at Stoptech to create a totally bolt-in solution requiring no M/C change or additional proportioning valve/adjustments. All fitting behind a 15″ Watanabe or Panasport wheel (and some 14″ wheels) and retaining factory emergency brake lever! A few details below:

Calipers: Stoptech ST42 4-piston front & rear race calipers (Alum 6061 mil-spec Type III anodized)

Rotors: 280mm x 20.6 with Alum 7075 hats

Pads: Stoptech 309 sport street pads

Blog posts documenting all of our customers running the ZCG Big-Brakes can be found HERE.

A few closer detail shots of the calipers, rotors and hardware:

 
 

We removed Larry’s existing Toyota 4×4 front calipers and rear Maxima setup and installed our ZCG Big-Brake kit front and rear:

 

He got a new, OEM brake master cylinder as well:

 

At the rear, the Maxima setup was replaced with our ZCG Big-Brakes. Factory handbrake functionality IS retained!

 

Larry was impressed with the braking performance:

“The ZCG brakes and axles really give the 240z an update with modern top of the line performance where the Z badly needs it. These cars are lightweight and easy to make fast, but everything else that goes along with it is very lacking. While the 240z is a great car to drive in stock form, there is nothing like having a lightweight turbo rear wheel drive sports car.”

Z Car Garage CV Axles

Our Z Car Garage CV Axles help transmit power to the ground and ensure smoother operation compared to your standard half shafts. We have over 140 CV axle kits on customer cars and we are stoked with all of the positive feedback.

 
 

Larry has CV Axle set #328. Stock half shafts (L) and ZCG units bolted in to the Subaru STi LSD diff. The stock suspension parts had been long replaced with Techno Toy Tuning parts. Larry does not have to live with those loose CV axles anymore!

 
 

More pictures of the ZCG axles installed, we will discuss the KW coil-overs below:

   

Wheels By Love20bee

Complementing the new Big-Brakes and suspension on Larry’s Z are a fresh set of Southern Ways Epsilon mesh wheels from Love20bee. It was an absolute pleasure working with owner, Matt K. to adjust the offset on the wheels just before Larry picked his Z up from ZCG.

 

We wanted Larry to be able to use the KW Suspension and ZCG Big-Brakes to their full potential and put all the power down effectively without clearance issues. The offset was a bit too aggressive causing fender rubbing and excessive camber reducing the contact patch of the sticky Yokohama tires.


Larry’s Z already had a set of KW Coil-overs. Not to be confused with our ZCG-labeled KW Suspension with adjustable rebound and dampening that we’ve developed over several years (releasing soon). We adjusted Larry’s KW’s for best ride and corner-balanced the car using his weight. With the wheel barrels adjusted and suspension aligned Larry can now throw this Z into any corner with confidence. No rubbing, no excuses.

 
 

 

Engine


Larry had a long list of problems he needed resolved with the drivetrain. The SR was running an older AEM standalone setup for racing duty so it would drive roughly on the street: poor cold/hot starting, erratic idling, stalling on deceleration, overheating and the A/C wouldn’t blow cold under hot conditions. Before sorting these issues we cleaned up wiring and hoses in the engine bay. Here is what the cooling setup looked like before:

 

The oil cooler was mounted in front of the intercooler and there was a small deflector plate placed across all heat exchangers. We re-designed the ductwork with help from TCDesignFab to seal the intercooler/AC condenser/radiator to direct air flow and eliminate heat soak. Serious SPAL fans were added to a new Mishimoto rad:

 

The oil cooler was relocated below the FMIC:

 

With air now directed through the heat exchangers the SR operates well under heat soak conditions, even with the A/C on and blowing cold. Even though the SR20 isn’t Rob’s first choice of engine swap it works really well, looks awesome and makes great power. Speaking of looks, we couldn’t resist adding our body-color matching valve cover (like Rob’s 510 and Rb-powered Z cars):

 
 

Hardware was removed and re-plated throughout, more pics in the gallery!

 

Dyno Tuning

We are huge fans of Haltech engine management. We use their Elite line of ECUs exclusively on our EFI engine builds and Larry’s SR received an Elite 1000 unit, mounted on the passenger foot well. Rob dyno tuned the SR20DET using Haltech. Baseline was 245hp/223tq and with Rob’s tuning it made 295hp/277tq at the wheels:

 

Larry was absolutely blown away by the performance, response and night/day improvement in drivability. Beyond peak gains of 50hp/54tq at the wheels, much of the increased response can be seen in the huge area under the curve from proper wastegate operation. Haltech is so user friendly and the benefits are priceless. You can see the dyno runs and road testing with Larry and Rob in this this video.

 

Interior

 
 

After driving our client James Stephens’ turbocharged 1972 Datsun 240z for an episode of Hoonigan Autofocus, Larry knew right then he had to have a set of Recaro seats for Ole Orange Bang. We removed his old seats and installed a new set of Recaro Pole-Position seats. He loves them:

 

Any bodyshop can install weatherstripping but Larry really wanted ZCG do tackle it and we happily obliged. One of our favorite upgrades to the interior of an S30 is our ZCG sound deadening package. Usually found in our full-blown ZCG restorations, the result is a less tinny sound and almost Germanic-like “clunk” when you shut the doors. We also refurbished his window tracks to ensure smooth operation:

 

We are really proud of the HVAC system in this Z. Larry mentioned the A/C wouldn’t blow cold..we tested Larry’s A/C after our ducting upgrades and it blows cold even after full throttle applications and heat soak.

Details

 
The little things are what we excel at. A common problem with Series 1 cars is exhaust fumes entering the car through the hatch vents and tail lights. We replaced the hatch and tail light seals and sealed the hatch vents. No exhaust smell in the cabin. (below) It made us happy when Larry called out these little details while filming…an OEM Nissan oil filter and re-plated hood latch hardware:

 

Please check the gallery below for more detail shots, there are too many to list in this blog post!

Enjoying The Ride

 

Larry picked his Z up from Z Car Garage in February of 2021. He immediately started enjoying Ole Orange Bang by driving to various events and gatherings in SoCal. We were so stoked to see him happy with his Z again.

 

Getting updates from Larry was rad:
“It finally performs as good as it looks! Rob and the team are so detail oriented. They know these cars inside and out and my car has never driven so well in its lifetime. I can’t wait to bring it back for some more goodies.”

We were reunited with Larry and his Z at this year’s Japanese Classic Car Show at the Anaheim Stadium. The Z was on display in the Leen Customs booth where fans could get his autograph:

 
 

Orange Bang with FuguZ and Medusa. We are beyond happy to have our Z Car Garage chassis parts on these high-profile Z cars.

 

As happy as we were to see Larry driving around SoCal what really made our day was seeing him drive Ole Orange Bang in anger at a local autocross event! He put our Z Car Garage Big-BrakesZ Car Garage CV Axles, suspension and dyno tuning to work:

“I decided to take a personal day and do a bit of driving for fun. I haven’t auto crossed in almost 15 years. I went to the CornerExit auto-x at California Speedway and it was an absolute blast. Orange Bang held up amazing, and everything @zcargarage did to it paid off. I ended up getting 2nd place in mod class!” 

 

We will have video of Larry ripping through the autocross on our Instagram story. For now, don’t miss the video we made of the Z in action here:

UPDATE 6.30.23

Larry just dropped an amazing video about his Z including its history and canyon driving, enjoy!

Thank You Larry!

Our journey with Larry is just beginning. Thanks for entrusting Z Car Garage with your Z and believing in us. We appreciate all that you do for automotive culture and your work is inspiring. Always Do It In A Datsun and LONG LIVE THE Z!


More pictures in the gallery below:
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This 1971 Datsun 240Z has a long history with Z Car Garage. We have known owner Rob J since the early 90s, having worked on his previous Z cars, and with a few ZCG touches this Series 1 continues to impress. Let’s take a look at how Rob J got into Z cars and what makes this one special.

 

Datsun Z Family

When Rob J was a kid, his dad bought a 1971 Z (photo below) and used to cruise the Santa Cruz mountain roads with Mom in the passenger seat and his two brothers and him sitting on the luggage deck with their feet tucked under the seats:

“His idea of fun was to chuck the car into turns on Hwy 9 or Skyline Blvd – causing the 3 of us to squish into each other with the G-forces. I fell in love with the look and sound of that car when I was 5 years old and was determined to have one of my own. When I was about to turn 16, my brother crashed that car and Dad sold off the wreck, so I never got to drive it. Nothing “sets the hook” like being deprived of something you really want and I bought my first 240Z as soon as I could save up the $3500 that decent cars were going for in the 80s. I’ve had Zs ever since”

 

His first car was a ’71 that was stolen and crashed beyond recovery by thieves. The second, an Iris Blue ’72 (above right), was his daily driver for more than a decade and gradually benefited from ZCG upgrades. When Rob J had the opportunity to buy Paul Hooks’ S30 he sold the Iris Blue Z car to Tony K.

“When Rob Fuller first came to California to work on Datsuns, we had a regular gang of Z drivers going to track days together. The illustrious Paul Hooks was a fellow track nut and this Z was his car. He had done his restoration and modifications the right way – as a closely spaced series of coordinated upgrades using the best gear available, and the car always impressed me with flat cornering, powerful breaks, and that throaty 3.1ltr engine. So when I eventually had an opportunity to buy it from him, I jumped. “

 

Rob J with the Z he’s longed for:

 

Performance to Stand the Test of Time

Paul Hook’s Z was built in the late 90s/early 2000s, so it has the very same 3.1L L-Series engine with triple-Mikuni induction backed by a 280zx 5-speed and R180 LSD. Period suspension upgrades included 5-way Tokicos w/Eibach springs, ST f/r sway bars and sticky Advan A032R tires (remember those?!). The interior has a roll bar with harnesses, Recaro seats and rear strut tower bar.

 

The ethos of this build was centered around open track day events that Paul enjoyed.  Increased braking performance was achieved through a 4-wheel Porsche 911 Turbo “Big Red” caliper brake kit. It works pretty well, but not as well as our Z Car Garage Big-Brakes with respect to pedal feel/un sprung weight…all benefits from our years of experience and collaboration with Stoptech engineers.

 

What makes this Z special? It was built in a period where Z cars were not deemed “collectible” or valuable yet. Despite this, we were building high-end Z cars that performed really well on the street and track. Perform on track indeed; for a car built nearly three decades ago Paul’s vision and execution is impressive. He was a track hound and this Z was his tool of choice, calling routine track days “high-speed mediation”.

 

This ’71 being a Series 1 offers the lightest S30 chassis and paired with 191whp (modest by today’s standards) from the 3.1L it’s tremendously rewarding. It makes all the right noises too, just listen to Paul blasting down the front straight at Thunderhill Raceway (video below) in both rain/dry conditions!

Mini Z

 

Paul’s Z was special to many, including myself. It was “the one” in my eyes seeing how it did everything well from track days to cruising around…the epitome of balance in the S30 chassis. I admired it so much that I made a 1/24 scale model replica with loads of details based on hundreds of photos I accumulated over the years. In 2008 while attending a ZCG Dyno Day I finally presented the model to Paul. More pictures in the gallery below!

 

Updates and Upgrades

So what does this already well-sorted Z need? We discussed a list of needs/wants with Rob J…including sticky tires, new exhaust system to ZCG-spec, and a transmission upgrade. The aged Hankook R-S3s were replaced with Bridgstone RE-71R in 225/50/16 over those classy Panasports:

 

The 280ZX close-ratio gearbox that Paul had was getting old and noisy. At the time we were doing Nissan KA24 (FS5W71C) transmission swaps (before the CD009a came to market) by modifying a 280Z L-series bell housing. You can see the custom ZCG transmission mount below.

 

A JWT heavy duty clutch and Z32 shift knob finish the swap in style.

 

The Z had a really old-school Crane HI ignition components. We updated to run the MSD box so Rob could tune the car and extract a little more power. The exhaust was replaced with our ZCG exhaust system and a Koyo race radiator installed.

 
 

Rob J was happy with the updates:

“Recently, I took my car into the shop for an exhaust system upgrade and electrical system maintenance. What I got back was a different car entirely! Rob and the crew replaced my old school exhaust, which was frankly an eyesore, with ZcarGarage’s current system, which is expertly tucked up into the undercarriage and finally really looks the part. The exhaust isn’t louder, but it’s more sonorous and less tinny sounding. I love it.”

Dyno Tuning

It has been many years since this Z had been on our dyno. We adjusted the valves, set timing, sync’d carbs and re-jetted them for the new exhaust. Baseline was 198hp/194tq and after Rob’s tuning the Z made 222hp/213tq at the wheels. More power even after all these years this Z does not disappoint!

Power gains you can feel!

“The improvements are awesome: approximately 25 more HPs and 19FtLbs and much smoother power delivery. The car leaps down the road when you mash the throttle and no longer stumbles when rolling into the throttle from cruising RPMs.  The car was fun before and now is just crazy fun.”

Enjoy the dyno video below as well as some historic footage of this Z in action. Volume up!

 

Enjoying The Ride

 

We love how Rob J is enjoying his Z, just as Paul Hooks did. Rob has attended many events and fun runs and I still can’t take my eyes off this Z! In case you are wondering, his plate reads “Kenjuru” to note the martial arts he practices 🙂

 

Below are just a few of the great times we’ve enjoyed with Rob J and his ’71 Z:

 

EVENTS: The ZONC Annual Car Show

Happy New Year!

Bayline Vintage Meet Pictures!

EVENTS: Driving While Awesome Cars n’ Coffee 11/10

EVENTS: Cars and Coffee at Canepa Motorsports

2014 Silicon Valley Auto Show Pictures!

Bayline Vintage Meet Pictures!

 

Long Live The Z!

 

Plans for the future…we will continue to keep this Z on the road and give Rob J updates like our Z Car Garage Big-Brakes, and Z Car Garage CV Axles.

“This 240Z is a late Series 1 manufactured in December 1970, so it’s not a low VIN car (17,XXX) and I don’t feel any pressure to restore it to stock.  Instead, we’ll keep upgrading the go-fast options while keeping a vintage look.  I truly love driving this car on the street and the occasional track day and I love doing both with other Z Datsun enthusiasts.” 

 

 

Thank you Rob J for supporting us and being in our life. We are so happy you found the right Z and ZCG will always be your home! DO IT IN A DATSUN

Enjoy the photo gallery below
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Tony’s 1972 Datsun 240Z

Filed under: 240z,Featured Cars and Projects,Parts,Performance
by Alvin G @ 5:10 pm on February 23, 2021

 

Tony K’s 1972 Datsun 240Z has a long history with Z Car Garage having received upgrades like a 3L with triple-Mikuni ph44s, 280Zx 5-speed transmission, suspension refresh, our Z Car Garage Big-Brakes, Z Car Garage CV Axles and Z Car Garage Heat Sheild.

 

Tony’s Z has a great history that begins with our friend and fellow enthusiast Rob Julien. Let’s take a closer look.

Keeping it in the Z Family

 

This Iris Blue Metallic (Porsche 911 color) Z was Rob Julien’s car when he first met Rob Fuller in the 90’s. A few years ago Rob J had the opportunity to buy Paul Hooks’ 1971 Series 1, another really nice S30 Fuller helped build in the 90’s (Full report soon). So the Iris Blue car changed hands going to a young Datsun 510 guy, customer Scott W, and finally Tony K, who at the time lived in Canada!

“I bought the car from Scott Wagner — a customer of ZCG — in 2014 as a replacement for my Ducati 748 that was totaled (along with me) a few years earlier in a near-fatal accident.  I figured if I wasn’t going to ride bikes anymore, I wanted to get a car that offered a visceral and pure driving experience.  Clearly I picked the right car and, unbeknownst to me at the time, the right man and garage to take care of my car.”

 

Very shortly after purchasing the car, Tony took it on the best road trip of his life:

“I drove with my wife from San Francisco to Vancouver where I lived and worked at the time, taking Rt 101 along the coast as far as I could up into Oregon before heading inland.  The car was so great – planted and confidence inspiring on the twisty back roads, plenty of power, and a great soundtrack.  While I lived in Vancouver, I met a group of Italians who loved cars, and we often took spectacular mountain drives during the spring and summer months and then garaged our cars in the winter.”

 
 

During its time in the Great White North we helped Tony out remotely:

“One of the best parts of my experience with the car has been the professional service, unparalleled expertise, and honest work from Rob and his great team at ZCG.  I had spoken to Rob several times while I lived in Vancouver to ask him various questions, and he treated me like a valued customer; he spent quite a bit of time listening and explaining things to me even though I wasn’t a customer, and he didn’t know me from Adam.  It was very clear to me how much he loved the Z and simply wanted to help me enjoy the car as much as possible.  It was great to finally meet him and his team (and of course the shop dog) when I moved back to California and witness his infectious enthusiasm in person.”

Welcome Back to Cali

 

Tony serendipitously moved from Vancouver back to the Bay Area and immediately visited ZCG so we could handle everything on his wishlist. Let’s review the work we performed just before Tony left for Canada.

Engine Bay Services

The engine bay was painted black so we took this opportunity to paint it body color and perform general tidying. As usual William worked his magic to match the Iris Blue Metallic body color. Before/after:

 
 

New hydraulic lines/plumbing and wiring harness cleanup made this engine bay pop

 

We treated the engine to several upgrades including an MSA 6-into-1 exhaust header, new intake manifold with rebuilt Mikuni pH44 carbs, JWT HD clutch/flywheel, Koyo aluminum radiator:

 

We also installed what every triple-carbed L-series needs: a Z Car Garage Heat Sheild!

 

From dirty and grimy to fresh and clean. You an also see the freshened front suspension with new T/C rods and lower front control arms from Techno Toy Tuning

 

Tony’s Z also got the ZCG HID kit. We performed this mod on Gary R’s 280z restoration with great results: stock appearance during the day with HID brilliance at night. These were adjusted at his recent visit.

 

The Z Car Garage Touch

 

After driving the Z all the way down from Vancouver, Tony reported the rear brake drums had failed so he had the Z towed to us from Sacramento. It was time to take care of the little things that he wanted sorted as well as some exciting upgrades, ZCG-style.


 

The interior got some love with repaired tachometer, fabricated fire extinguisher bracket, new shift boot, shifter/bushings, NRG quick-release to work with his MOMO steering wheel, new front/rear window seals, rear hatch seal and MSA glove box insert.

Recaro Specialist Seats

 

We installed on of our favorite seats for the S30: the Recaro LXF. These are Specialist seats in leather that have proper brackets to make them fit, feel and look fantastic.

Dyno Tuning

 

The 3.0L stroker L-Series received a full Mikuni carb tune, sync, idle speed set and velocity stacks with filters. We also cleaned up the engine bay/tranny areas.

 
 

The stroker motor produced good power with Rob’s dyno tuning. Baseline was 191hp/187tq with final results of 208hp/201tq to the wheels:

 

Enjoy that sweet Mikuni-carb’d L-Series music on the dyno:

 

Z Car Garage Big-Brakes and CV Axles

Our readers are likely familiar with “Mrs. Butters”, our 1971 Series 1 240z shop demo car with full suspension and our ZCG Big-Brakes. Following a test drive in Butters, clients are sold on our Z Car Garage Big-Brakes and Z Car Garage CV Axles! Read below for a brief description of these parts:
    
 

As fellow S30 owner/racer Glenn C mentioned in his review, on top of braking performance, pedal feel is extremely important and our Big-Brakes deliver. This is a direct result of working with engineers at Stoptech to create a totally bolt-in solution requiring no M/C change or additional proportioning valve/adjustments. All fitting behind a 15″ Watanabe or Panasport wheel (and some 14″ wheels) and retaining factory emergency brake lever! A few details below:

Calipers: Stoptech ST42 4-piston front & rear race calipers (Alum 6061 mil-spec Type III anodized)

Rotors: 280mm x 20.6 with Alum 7075 hats

Pads: Stoptech 309 sport street pads

Blog posts documenting all of our customers running the ZCG Big-Brakes can be found HERE.

A few closer detail shots of the calipers, rotors and hardware:

 
 

We removed Tony’s brakes and installed our ZCG Big-Brake kit. Early in its life the Z also received Ground Control coil-overs and suspension parts from Techno Toy Tuning. New parts included adjustable T/C rods, sway bar set, rear control arms, new bushings, rack bushings, steering coupler, factory Nissan ball joints, new wheel bearings and more.  We really appreciate Gabriel and his staff. They make some of the best suspension parts out there for Z cars.

 

Tony’s Toyota 4-Runner brakes removed and we installed our ZCG Big-Brake kit up front.

 

Our Big-Brakes utilize the OEM brake master cylinder and booster along with the factory hydraulic system. We replaced the M/C with a new unit, here are a few more shots of the front setup:

 

At the rear, the OEM drums brakes were replaced with our ZCG Big-Brakes. Factory handbrake functionality IS retained!

 
 
Following the suspension and brake installation we mounted fresh Bridgestone RE-71R tires and performed a full alignment. The new ZCG Big-Brakes fit nicely behind the full-polished 16″ Panasport wheels:

 

Our Z Car Garage CV Axles help transmit power to the ground and ensure smoother operation compared to your standard half shafts. We have over 100 CV axle kits on customer cars and we are stoked with all of the positive feedback.

 
 

Tony received axle set #263. Stock half shafts and ZCG units shown below with more pictures in the gallery:

 

Tony was pleased with the mechanical upgrades:

“I had the car towed to ZCG from Sacramento for Rob and his great team to install the ZCG Big Brakes, ZCG CV axles, new Recaros, new tires, and get a much-needed partial re-spray.  The upgrades and modifications really transformed the car from really fun to drive to truly confidence inspiring, particularly because of the awesome brakes.”

Making it look good

 

After years  of wear and tear the clearcoat was starting to peel on the roof  (pictured below, left).  As usual William worked his magic to match the Iris Blue Metallic body color, re-spraying/blending the top of the car.

 

We are happy to report that Tony is Enjoying The Ride. Here are a few summer pictures post fresh paint/upgrades, more in the gallery below!

 

 

“I have a few more upgrades I’d like to do on the car (a tad more power and perhaps upgrade the suspension), but one thing is for sure: there’s no one I’d rather have work on my car. But more importantly, I just need to drive the stink out of it.”

Thanks Tony for trusting us with your Z.  This car has come full circle as Rob worked on it when he was 26 years old and now at 48. We are lucky to have a life filled with cool Z cars and more importantly  great relationships with their owners. ZCG is a like home to them. LONG LIVE THE Z!

…[read more]




 

Ruth and Larry Roth have been part of Z Car Garage since 2008. Over the years we performed a full mechanical, interior and exterior restoration on their 280Z and late last year Ruth reached out to us because it wasn’t running well.  She also shared the unfortunate news of her husband Larry’s sudden passing. For the first time in 50 years she was on her own, with her Z car.

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Remembering Larry

We are personally invested the cars and people we conduct business with at ZCG. Rob set aside time to make a house call and visit Ruth out in Menlo Park to assess the Z. It sat around for a long time and had signs of headgasket issues. The Roth’s enjoyed the Z for many years adding their own personal touches and with all the ZCG restorative (paint/interior) work, we were at a crossroads with this engine failure.

 

Ruth bought this car brand new and we wanted to not only celebrate Larry but also make the Z drivable again for Ruth to enjoy on her own. The plan was to rebuild her engine (stock style 2.8) and update the chassis with our Z Car Garage Big-Brakes and Z Car Garage CV Axles to make it perfect.  Before we get into the latest work let’s take a look back on the interior/exterior refurbishment.

Interior

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The dash was removed and sent out for restoration and when it came back we replaced all the gauge lights with updated LEDs. We polished all of the plastic covers, resealed all the heater ducts, and lubed all the heater cables. We also serviced the heater core, replaced all the heater hoses and anything easily accessible while the dash was out.


A set of RECARO LXFs in leather replaced the factory seats:


To complement the seat choice we picked a custom carpet kit and leather for the new door panels and headliner. Another nice touch was the new door panel trim matched the other door panel parts perfectly. More highlights include a new factory center console fitted with an updated HD headunit, MOMO steering wheel, and custom shift boot (Ruth’s choice). Check out detailed pictures of the interior work in this blog post HERE.

 

 

Exterior

 

We met the couple in 2008 when Ruth came in to ZCG for a mechanical refresh.  All hydraulics (brakes/clutch) were restored. The suspension was treated to urethane bushings and Tokico 5-way struts with Eibach springs and a set of beautiful Panasports. Finally, we cut and buffed the paint and Ruth’s Z took on a new look…it was almost like 1978 again! It had been years since we had seen the Roth’s other than routine maintenance. It was time to dive back into the project with a full external restoration.

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We called upon our man William from William’s Auto Body and both Ruth and Larry had two requests: 1) The Z car must be as awesome inside as outside and 2) we absolutely must keep the pinstriping that had been on the car since new. William was more than up to to the task. This time we went ahead and installed electric power steering for ease/use, our upgraded rearview mirror (as featured on Gary Roser’s car, report later) which includes a backup camera, GPS, temp:

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Re-chromed bumpers and restored guards:

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Full glass/chrome trim/weatherstrip R&R. All NOS Nissan!

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Inner fender liners:

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NOS emblems replace pitted/fading orignal pieces:

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Rear tail light panel:

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William applied the factory paint color and the Z looks fantastic. Finally a set of powder-coated louvers and a full detail really make this 280z standout.
Check out detailed pictures of the exterior work in this blog post HERE.

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Engine

 

Fast forward to January 2020. We made arrangements to get Ruth’s 280Z back to ZCG for the new engine rebuild and sorting. The tired L28 would be replaced with a rebuilt, “street-style” 2.8:

 

A few engine details like new injectors, oil pan and MSA exhaust header to replace a cracked exhaust manifold:

 
 

We replaced all hoses in the engine bay and installed a KOYO race radiator. We wanted Ruth to feel comfortable owning this Z by herself. When everything is in working order on a 280z, they can be just as reliable as any late model car.

ZCG Big-Brakes and CV Axles

It had been a long time since we saw Ruth’s S30 so we replaced the old tires with new Bridgestone S007-a (225/50/16) tires followed by a full alignment. We also installed what we like to add to every Z car built here:  our Z Car Garage Big-Brakes for small wheels. This is an all-wheel, 4-piston caliper kit that works beautifully with the balance of the stock M/C and booster. Keeping things operating smoothly are our Z Car Garage CV Axles, read below for a brief description of these parts:

    
 

As fellow S30 owner/racer Glenn C mentioned in his review, on top of braking performance, pedal feel is extremely important and our Big-Brakes deliver. This is a direct result of working with engineers at Stoptech to create a totally bolt-in solution requiring no M/C change or additional proportioning valve/adjustments. All fitting behind a 15″ Watanabe or Panasport wheel (and some 14″ wheels) and retaining factory emergency brake lever! A few details below: Calipers: Stoptech ST42 4-piston front & rear race calipers (Alum 6061 mil-spec Type III anodized) Rotors: 280mm x 20.6 with Alum 7075 hats Pads: Stoptech 309 sport street pads Blog posts documenting all of our customers running the ZCG Big-Brakes can be found HERE. A few closer detail shots of the calipers, rotors and hardware:

 

We removed Ruth stock brakes and installed our ZCG Big-Brake kit:

 
 

As mentioned above, the ZCG Big-Brakes work with the factory M/C and booster. We installed a new M/C for Ruth:

 

At the rear, the factory drum brakes were replaced with our ZCG Big-Brakes. Factory handbrake functionality IS retained! We were happy to hear that Ruth,  being an older woman driving her vintage Z car she bought brand new was totally blown-away how well these brakes work!

 

Our Z Car Garage CV Axles help transmit power to the ground and ensure smoother operation compared to your standard half shafts. We have over 100 CV axle kits on customer cars and we are stoked with all of the positive feedback.

 

Ruth has CV Axle set #332. Stock half shafts (L) and ZCG units:

 
 

On the road again

 

Icing on the cake after we fixed the Z…following a full detail Rob and Meghan delivered it to Ruth’s home. It was a special moment and Ruth was all smiles.

 

We miss you Larry and this one’s for you…we got Ruth back in her Z car. Know that we will keep this Z on the road while Ruth and ZCG are around! Love cars. Love people. Love life.

 

Enjoy more pictures in the gallery below and LONG LIVE THE Z!

…[read more]




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