We are excited to offer the Z Car Garage Heat Shield for your triple-carb’d L-series Z car. This is a one-piece 304 stainless unit with laser-etched serial number. Proven on all of our L-series engine builds and dyno testing.
This heat shield will fit Mikuni, Weber, Dellorto and Jenvey induction with several intake manifolds like the Harada. Also available for 4-cylinder L-series applications as well! Utilized on both race cars and street cars. Shown below are ZCG clients running the heat shield on their cars, starting with JDM Legends’ epic S30 build:
We love to see our products being installed and used on customer cars. Race car driver and restoration specialist Jim Froula of Racecraft is running our ZCG Heat Shield in this vintage 260z race car! Volume up and enjoy!
Richard’s 1971 Datsun 240Z:
Khang’s EFI L-Series with Jenvey ITB and Z Car Garage Heat Shield:
Vincent’s 1973 Datsun 240Z:
More Z cars running the ZCG Heat Shield:
The ZCG Heat Shield is available for purchase for $169.00 with product information below. View this product and other ZCG parts on the new “products” page of our website HERE
At Z Car Garage we love keeping Z’s on the road. From concours-level restorations to light refurbishments, making a client’s goal a reality is our passion. Beau brought his 1976 Datsun 280Z from Castro Valley, Ca for a full cosmetic and mechanical restoration, ZCG-style.
Our Z Car Garage Big-Brakes, Z Car Garage CV Axles along with a new drivetrain, full suspension and body restoration transformed this S30. Before we explore the work performed, let’s take a look at how Beau found the Z car of his dreams…
Z Beginnings
BEAU: I am the second owner of the car – the original owner passed away and the children decided to sell the car. I saw it posted on Craigslist and knew immediately that this was the car for me. My brother-in-law took it on a test drive and it performed great, appeared to be in good condition – no rust, dings or signs of being mistreated. The owners told us that there were several interested buyers but the first person to show up with cash would get the car. We scrambled to quickly find cash at 6 PM in the evening and headed back to purchase.
The Z Car Garage Touch
Shortly after acquiring the car in 2018, Beau joined the Z Owners of Northern California (ZONC) and asked for recommendations on a mechanic.
BEAU: Everyone that I spoke with recommended that I connect with Rob. He is an artist – not just a mechanic. As such, the process takes time and involves patience. That patience is rewarded with a car where all of the details are considered and thought through. Rob listened to all of my requests – a car that looks like it came off the factory floor in 70’s but with performance, handling and upgrades that reflect what is possible today.
Above: The 280Z prior to restoration in 2018. Let’s dive into the transformation…
Bodywork
Following the mechanical restoration in 2018 (below), Beau was ready to build his own custom Z car. As with most folks he started seeing these hot-rodded 240Z cars around, and a full cosmetic restoration started…
BEAU: I wanted the car to appear more like a 240z (which I could not find at a reasonable price) – so, Rob removed and replaced the bumpers and added 240z tail lights. For casual fans of Z cars – it is not easy to tell that my car is a 280Z.
ROB: We made a plan with William to modify the front/rear of car to run 240Z bumpers and side mirrors.Beau was really keen on our client Randy Jaffe’sRocketbunny Z, so the 280Z was finished the same color: Porsche Tangerine Orange:
With fresh trim and bumpers, it really is difficult to distinguish Beau’s 280Z from a 240Z:
BEAU: I wanted to note that we’ve named the car, “Orange Julius” – somewhat inspired by Larry Chen’s Ole Orange Bang and Randy Jaffe’s Rocketbunny Z which I saw at Z Car Garage and was floored by the color. The process took nearly 3 years and I endured a lot of questions from friends and family about when the car would be done – my patience was rewarded! Thank you Rob!
Drivetrain
Beau acquired his 280Z from the original owner with 50k miles. We started a mechanical overhaul so he could enjoy driving it. A 4-core radiator upgrade is something we do anytime a car has an automatic transmission along with cooling line replacement. Beau wanted more power so the stock L28 was bored and stroked to 3.0L by Rebello with forged pistons and light port work:
With the engine/transmission removed we focused our efforts on restoring the engine bay. Everything was zinc plated and powdercoated. New parts included brand new injectors, all new fuel system, hoses, fuel filter and all the drive belts. The 3.0L still utilizes the factory EFI and intake manifold that was cleaned up and powdercoated:
MAF/hose/hardware detail:
Engine bay restoration, before/after:
We installed our full ZCG Exhaust system with slash-cut tip:
Dyno Tuning
Rob dyno tuned the Rebello 3L/Automatic transmission making 161hp/175tq at the wheels, a significant gain over the stock L28:
Enjoy this video of Beau’s 280Z in action including the dyno run, test drive and drive-by:
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. Stock half shafts and Beau’s ZCG units shown below:
Suspension
A full suspension refresh was performed, including coil-overs (Koni), T/C rods and control arms from Techno Toy Tuning. T3 finishes the suspension in our signature color and we really appreciate Gabriel and his staff. They make some of the best suspension parts out there for Z cars.
All front and rear suspension parts were powdercoated:
We bagged/tagged every nut and bolt for plating along with fresh hydraulic lines for the chassis:
Z Car Garage Big-Brakes
We are proud to have several of our ZCG products on Beau’s 280z. We installed our Z Car Garage Big-Brakes (for small wheels) which have the been standard on numerous ZCG builds.
Stock disc/drum brakes were removed and we installed our ZCG Big-Brake kit.
At the rear, the factory drum brakes were replaced with our ZCG Big-Brakes. New OEM Nissan master cylinder and Factory handbrake functionality IS retained!
Panasport Wheels
Complementing the new coilover suspension on Beau’s Z are 16×7 Panasports with Bridgestone S-007a tires in 225/50/16. Our ZCG BIg-Brakes also look great behind the wheels!
Interior
With the Z back from paint/bodywork we installed the interior, door panels, windows and all new weatherstripping. A complete dash restoration was performed with full HVAC/ducting using a reproduction piece from Vintage Dashes. ZCG has done several Vintage Dashes installations and we thank Ivan Jaramillo for making a cost-effective product for Z cars.
Recaro Specialist seats in leather are our favorite upgrade to the S30 interior. Beau enjoys modern creature comforts like Bluetooth, back-up camera, power steering and full sound system:
Another upgrade to the interior of an S30 is our ZCG sound deadening package. The result is a less tinny sound and almost Germanic-like “clunk” when you shut the doors. All weatherstripping was replaced:
Details
The little things are what we excel at. Below, fuel cap plating with drip gasket, 240Z OEM mirrors and stainless window trim, microphone for hands-free Bluetooth mounted near steering column. Please check the gallery below for more detail shots, there are too many to list in this blog post!
The Transformation
Beau’s 1976 Datsun 280Z before and after:
Driving is Believing
ROB: This is a full ZCG-style restoration top to bottom and the best part is that Beau has been Enjoying The Ride. The Z has so many details/features in it and we are just happy to make his dreams come true. He comes back for a 1,000 mile checkup soon… and it’s back on the road again.
BEAU: From the exterior, I wanted the car to look as original as possible but I wanted better handling, more power, modern braking and some nice amenities like the back-up camera and power assisted steering. I wanted the car to be as original as possible – so, the engine was restored/upgraded by Rebello, many of the original parts were cleaned and re-plated and I stayed away exterior modifications like fender flares.
BEAU: Right now, I’m just enjoying the car. Nearly every weekend I go on rides with my 10 year old daughter and my son and I just attended the Tokyo Calling 3 and had a fantastic time taking turns driving the car and seeing what others have done to their Zs. At some point in the future, I’d like to replace the 3 speed automatic transmission with a more modern transmission.
We loved seeing Beau driving his Z on the Tokyo Calling 3 event hosted by Breakfast Club Rally. He’s attended a few more of their drives as well:
BEAU: After the restoration was completed, I met up with the children of the original owner to have them see the car and they were floored by the work. It was great to drive in the car with them and hear their memories of growing up with the car. They were delighted to see the car have a new life with me and my family.
More good news…Beau purchased a 2023 Nissan Z to complement his 280Z!
Thank you for entrusting us with your S30 Beau it was a pleasure working with you. LONG LIVE THE Z!
We have the pleasure of continually developing Dirk’s 1973 Datsun 240z to help achieve his vision of a Z car that is adept on the street and track. Improving the driving experience are Z Car Garage Big-Brakes, Z Car Garage CV Axles, Silvia 6-speed transmission and a host of chassis and driveline upgrades. Dirk has been enjoying the Z at open-track days including Laguna Seca and most recently Sonoma Raceway.
Track Day Fun
Let’s hear from Dirk about his journey for optimal chassis settings enabling both spirited street and track driving…
DIRK: “Shortly after I first got my Z, I broke the factory open diff on a windy road, and started working on the suspension. It was on stock struts and lowering springs, and the car bottomed out badly under braking while going downhill. So, it went to its first track day with an R180 diff from a Subaru WRX (3.54 Torsen), the factory 4-speed, stock L24, rebuilt stock brakes with high-temp brake fluid, and a set of T3 coilovers with 200# front and 250# rear springs (see that roll)”
“After that, I went to 300# and 350# springs to reduce roll and improve overall handling, note much less body roll below”
Chassis and Driveline Upgrades
First, there was work to upgrade the steering geometry and suspension. With the car being lowered quite a bit, despite having 1″ RCAs installed, it had a ton of bump steer. Rob installed DP racing adjustable tie rods, removed the front springs, and completely eliminated the bump steer on the alignment rack while moving the suspension through its full range of motion.
New DP Racing tie-rods and in-house alignment:
We also refurbished Dirk’s steering rack with fresh parts from our stash:
With the Z back in the shop for bodywork we took the opportunity to make more suspension changes. New Koni Race shocks from T3 were installed, which were a much better match for the 300# and 350# spring rates than the Koni Sport shocks they replaced (as Dirk initially ordered the coil overs with lower spring rates, he never replaced the shocks after adjusting the spring rates, and the car always felt underdamped, particularly on the not-adjustable compression stroke):
ZCG Big-Brakes and CV Axles
Dirk visited ZCG and drove “Mrs. Butters”, our 1970 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 customers 🙂 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
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:
At the rear, the factory drum brakes were replaced with our ZCG Big-Brakes. Factory handbrake functionality retained!
DIRK: “While I liked the feel of the factory brakes (as long as the drums were perfectly adjusted), and they were quite adequate paired up with the original L24, I didn’t dare take the car on track on the tiny solid rotors once I started adding power, first with the Datsun Spirit STR-3 engine. Once ZCG installed the Rebello engine and 6-speed transmission, it was even more obvious that a brake upgrade would be wise…”
S15 6-speed transmission
After comparing the Z to his Subaru BRZ on the track, it was clear the Z was better at everything except for shifting gears. Since his engine made a healthy amount of torque, but not enough to warrant a CD009 (350z) transmission, Dirk kept looking for alternatives. He also wanted something with slightly closer gear ratios to better suit the engine’s power band. An S15 Silvia 6-speed seemed like the perfect fit and we installed it back in 2019.
The first S15 box had some weak synchros, so Dirk sourced another one that was installed with OE trans fluid, as well as a set of fresh OE motor and trans mounts to help with shifter feel and reduce vibrations in the car.
“The S15 transmission fit surprisingly well. ZCG built a custom crossmember to locate it, and the shifter lined up almost perfectly. No transmission tunnel mods were necessary. The modern shifter looked out of place, so ZCG built a custom unit that would look stock, and work with the Datsun competition shift knob. A small 6-speed shift pattern sticker modeled after the one used in the Silvia is the only clue there’s something different going on under this car. And of course the driving experience.”
Making the S15 shifter look factory, we are happy with the result and Dirk’s subtle shift pattern sticker:
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 70 CV axle kits on customer cars and we are stoked with all of the positive feedback.
Also visible on Dirk’s Z are the excellent adjustable lower control arms from Techno Toy Tuning.
DIRK:“The Z has seen a few different tracks. Laguna Seca, Thunderhill in the dry, Sonoma in the dry and the wet. After quite a few street miles on the car with the ZCG big brakes, an 4.11 OS Giken diff, we sorted a few more things with the car. Most notably, we redid the front suspension, and installed a fresh set of Koni race shocks all around the car. These were a much better match for the 300/350 lb/in springs than the Koni sport shocks I originally bought with the coil overs.”
Finally, an opportunity to take the car to the track again came up, and Dirk with the S30, and his friend Joey with his E30 went to Sonoma Raceway:
DIRK: “The car was obviously a lot more capable than the last time it visited a track. The driver, however, was a little rusty, so with each session lap times started to come down but there is plenty more left on the table. The brakes were extremely consistent throughout the day, with not a sign of fade. And the whole car performed admirably. The temp gauge was steady right below the middle of the range all day long. I got fuel starvation in turn 11 once, which is somewhat expected with an unmodified set of Mikuni 44 PHHs, but other than that the Z didn’t skip a beat.”
We were stoked to see Dirk happy with our Z Car Garage Big-Brakes! Enjoy the video below showing in-car action from Sonoma Raceway, dyno run and more, volume up!
After many more tweaks, different induction setups, spring rate changes, rebuilt stock brakes, and 24K miles of driving including a few track days, Dirk’s Z was inching closer and closer to his vision. The next step in making the car faster would be to put in a more supportive driver’s seat.
3 Liter L-Series Power
Unfortunately, the Datsun Spirit engine developed rod knock which was the impetus for a big drivetrain upgrade. Several other parts of the car where refined as well.
The L28 engine was pulled, sent to Rebello, and built into a 3L powerhouse. Dave bored out the 44PHH venturis to a custom 38.5mm, to hit the perfect compromise between peak power and drivability. We also installed a fresh water pump, alternator, new fan blade, OEM fan clutch and fresh air filters. The beautiful DP Racing oil pan remained. More photos in the gallery below:
A custom stainless 2.5″ mandrel-bent exhaust mates with a new set of coated Pacesetter headers and Z Story Street muffler (in a search for a reduction in volume while keeping a nice note). Dirk discusses the clutch/flywheel combo below:
“The STR-3 already was able to slip the Exedy clutch and we were never fans of the Chromoly steel flywheel. A Jim Wolf Technologies clutch and flywheel combo was installed after first trying a newly developed Kameari single plate street clutch kit, which we both found too loud and racy for this street car. While the JWT pressure plate yielded a different pedal feel that took some getting used too, it was not too heavy and perfectly comfortable to drive in traffic. More importantly, it never slipped under any kind of abuse.”
The clutch hydraulics were replaced to work with new alumimum flywheel/JWT HD clutch combo:
We installed a ZCG-built 4.11 OS Giken limited-slip differential in the R180 along with a custom aluminum driveshaft:
Dyno Tuning
The previous L28 made 202hp/194tq at the wheels with Rob’s tuning. Now with the fresh 3L it baselined at 245hp/226tq with more area under the curve:
Rob tuned the car further on the chassis dyno, setting it up with a very lean idle at Dirk’s request (to minimize gasoline fumes at idle). With A/F optimized and Nismo Mikuni carbs massaged, Rob unlocked another 20hp yielding a stout 265hp/232tq to the wheels:
With gains of 62hp/37tq at the wheels over the L28, Dirk is very happy with the new 3L:
“While the Datsun Spirit engine had a very peppy mid-range and made more delicious induction noises, there’s no argument that the more powerful Rebello engine elevated the car to the next level of performance and fun. The entire setup worked incredibly well together, and we hit an impressive 265hp at the rear wheels, or 60hp more than the engine made in its previous iteration, putting it in the 100hp/liter ballpark at the crank. Not bad for a dinosaur engine on California pump gas!”
Datsun 510, 620 and Z car love
Dirk bought his first Datsun in 2014, a 1970 510, to learn how to work on cars himself. After learning more about the history of Datsun, and the significance of both the 510 and the 240Z in establishing Japanese cars in the American market, he knew he had to own a Z as well.
A year later, the right Z showed up on eBay in Texas, a 1973 in silver gray. After pouring over the photos and talking to the seller, Dirk bought the car sight unseen. The idea was to have a nice Z to enjoy and drive, while continuing to work on the (sometimes not) rolling restoration of his 510. The car was lovingly restored by a dad and his children and in mostly stock condition. Dirk also has Datsun 620 work truck complete with dual-Mikuni’s:
Dirk shares his experience working with us:
“Collaborating closely with Rob and ZCG has elevated the optimization process. Rob will frequently talk me out of a bad idea, or into a good one (like the OS Giken LSD). Sometimes I talk him into a bad idea and it turns out to work really well, like the S15 gearbox. The most fun is when we brainstorm stuff together like turning the catch can setup into an improvised simple PCV system, eliminating all hints of oil fumes from the car while running.”
Enjoying the Ride
Dirk’s been driving his Z-car pretty much every day since the latest upgrades, and it’s been working phenomenally well:
“The drivetrain + brakes make it as happy to accelerate as it is to stop, and with the quick, closely spaced shifts and eager engine, it’s fun to do a casual grocery run, and to drive quickly. With the electrical systems and all fumes well under control, it’s truly a car you can do anything with, and probably more reliable than my BMW.”
We loved to see Dirk driving his Z on rallies and fun runs this year. Most recently we joined fellow Japanese vintage car owners on the Tokyo Calling event hosted by Breakfast Club Rally:
Dirk also joined us for a New Year’s Day drive through our favorite Bay Area Backroads:
We enjoyed working with you Dirk and it was rewarding to help improve your Z.
“Some say good is the enemy of great, but that’s true if you think you’re done. I don’t see my Z car less as a “build” that’s done. I’m always developing it, just like continually developing a race car (e.g. my Lemons car, http://instagram.com/bittersc243) to stay competitive. In this case the competition is merely for making the Z into the most fun driving experience I can imagine, and the journey of continuous refinement and improvement is a big part of the fun for me.”
Farewell, Dirk!
We helped Dirk prepare both the 510 and Z for overseas shipment to the Netherlands. Stay tuned for a feature on Dirk’s Datsun 510, it’s a really neat little Dime with a screaming L-Series. Thanks for your support Dirk and LONG LIVE THE Z!
Mamiya 645E | Mamiya 45mm f/2.8 N | Lomography Color 100 100
Scanned with Epson V750 | Epson V850 120
Lab developed in | Dip and Dunk
Nikon F6 | Nikkor 24-70mm f/2.8G | Cinestill 50D 50
Scanned with Noritsu HS-1800
Lab developed in | Dip and Dunk
The Safari tribute 240Z is owned by our client Randy Jaffe and Z Car Garage helped prepare this car a few years ago for a Nissan commercial. We installed new 3.0 Rebello street race motor, 1982 280ZX 5 speed transmission and OS Giken 4.11 LSD. Small details were re-created including functional Works-style side jacking points, rear bumper steps and twin-exit exhaust system. View our full report on this build HERE.
Photos by Larry Chen
Talented photographer and car culture ambassador Larry Chen captured these amazing photos and video of Randy’s Safari tribute and the New Z Safari tribute in action. You can see more photos in the official Nissan Nissan Press Release, and view behind-the-scenes footage on Larry’s Instagram.
Enjoy this video highlighting Larry Chen’s work:
Follow or Facebook and Instagram accounts for more Z car content from the SEMA show!
Last week the Brock Racing Enterprises (BRE) Datsun 510 #46 race car arrived at Z Car Garage. Despite being against all odds, our hero John Morton drove this 510 to SCCA Trans-Am series championship victories in 1971 and 1972, putting Nissan on the map and fueling every Datsun enthusiast’s passion. In preparation for this weekend’s Velocity Invitational at Laguna Seca we dyno tested this legendary race car. Turn those speakers up and enjoy the video!
Huge thanks to Nissan and Randy Jaffe for giving us the opportunity to prepare the car. It was surreal to have it in our shop:
We spent hours admiring and pouring over all the details on this historical 510. Note the swirl chamber, BRE exhaust header, oiling system and hydraulics:
The chassis reveals hard-earned battle scars:
Note original Koni shocks, Porsche 911S calipers and oval section of exhaust, more photos in the gallery below:
Living Legends at the Velocity Invitational
Z Car Garage is really proud to announce special guests (and our heroes) John Morton and Pete Brock will be at the Velocity Invitational on Friday and Saturday. This is a rare opportunity to get an autograph and chat with these iconic gentlemen.
To celebrate the 50th Anniversary of the Trans Am (under 2.5) racing series, Z Car Garage coordinated with Nissan Corporate to have the original BRE Datsun 510 displayed with the Horst Kwech Alfa Romeo at the Velocity Invitational. See the actual race cars in person, only at the Velocity event!
