Ken S’ 1991 300zx Twin Turbo is for sale. This is a beautiful, powerful and well-maintained Z32 with extensive upgrades ready for its new owner! Interested? Check it out in our FOR SALE section:
1992 Nissan 300zx Twin Turbo

 

For folks that live in the US, it’s hard to imagine a bigger piece of forbidden automotive fruit than the Nissan Skyline.  The Skyline has never been sold in the United States, yet it’s still managed to develop a fanbase and aura that can easily rival the best foreign or domestic metal. Most of us are familiar with classic Skylines and modern GT-Rs, but the DR30 you see above is still relatively unknown among non-JDM lovers. Reid B. scored this lovely red Skyline 2000 RS-Turbo almost four years ago.

 

The pillarless windows,  angular body shape and killer graphics package create an unmistakable 80’s vibe. We love it!

 

Soon after Reid purchased the DR he started making it his own while preserving the classic OEM goodness. He brought the car to us initially for a dyno and tune after noting that the Skyline had a flat spot in mid-range power delivery. When we inspected the car we found the front suspension was severely rubbing on the tires and this was addressed first.   We installed Techno Toy Tuning (T3) coil-overs with custom springs, RCA’s, Energy Suspension T/C rod bushings and AGX shocks:

 

Although Reid was hoping to fit a 215-width tire up front the DR now sports 225/50/16 Yokohama S-Drive tires at all four corners with great clearance. Watanabe wheels look so right on these!

 

This being a 1983 model, it sports Nissan’s legendary FJ20ET powerplant underhood. Reid was concerned about potential fuel delivery problems and our A/F monitoring revealed lean conditions under load. We discovered a failed fuel-pressure regulator and our solution was to replace and modify a 280zx fuel pump and FPR to fit.  A new oxygen sensor was also installed.

 

Further inspection revealed over-boosting so we lowered the base boost rate with a lower pressure spring in the external wastegate. Dyno results were great and we’re happy to report the DR makes more power at less boost now! Baseline numbers were 160hp/177tq and after 201hp/197tq to the wheels:

 

 

We liked working with Reid as he is the type of owner that wants to bring the car back to life the best he can. Z Car Garage lives for reviving Japanese classics and hearing our customers satisfied with their cars keeps us going. Listen to Reid’s impressions after picking the DR30 up:

Rob,

So the drive home was awesome. I still cant believe it. I didn’t get to drive it to work today but tomorrow for sure. I could drive 80 and then roll on the gas and it would just go and not want to stop. The new front suspension makes the car drive so much better, it doesn’t feel like it rides on cut springs.  I drove the car from Newark to Roseville and it was awesome going from 75-95. I could roll on the gas it would start boost and just keep going. I feel like when I am driving now that I am holding the car back cause it just wants to go and go.  I am still in awe. 

Reid

Enjoy The Ride, Reid and thank you for giving us the pleasure of working on your Skyline!

Nick P came to Z Car Garage to fix a blown head gasket on his 280zx.  We decided on a full cylinder head rebuild with a revised cam profile from Rebello, otherwise it was built close to factory spec. Teardown pictures below indicate obvious failure:

 

 

The rebuilt cylinder head:

 

We added a new 6-2-1 exhaust header from MSA and finished it off with the ZCG exhaust system:

 

The intake manifold and associated smog/efi plumbing were cleaned up:

 

With the engine freshened we put the Z on the rollers…141hp/142tq to the wheels is healthy!

 

Next we turned to the suspension. Nick wanted us to install his TechnoToyTuning (T3) coilovers, RCA’s and T/C rods:

 

Old struts out and coil-overs in!

 

T3 camber plates up front:

After an alignment and fender roll the Z sits perfectly without rubbing or scraping. We dig the RB-Rs on this!

 

 

 

Dwane has been customer since the opening of Z Car Garage in 2004. We installed one of Vortech’s earliest supercharger kits on his ultra low-mileage ’03 Brickyard 350z circa 2005 and he has been enjoying it ever since.  Almost a decade later forced-induction tuning and support has tremendously advanced and many boosted applications are abandoning the old Split-Second and FMU-based systems.

 

At ZCG we love the UPREV tuning platform and it allowed us to maximize gains from a new GT MAF, larger injectors and upgraded fuel pump.  We also installed ART pipes on the exhaust side and nice cosmetic addition of LED-based headlights:

 

 

On the dyno we picked up 9hp/13tq with smoother delivery throughout the rev range. Mid-to-high gains were significant:

Stay tuned for more power!

 

 

Gary P is a long-time customer and huge motorsports fan. He owns a rally 510 and acquired this 240z from another ZCG customer. While enjoying the Z on his commute Gary noticed a loud humming sound and came to us for diagnosis. We discovered a right-rear wheel bearing failure and replaced them new bearings.  The rear suspension was also freshened with new rear lower control arms from TechnoToyTuning (T3):

New wheel bearings followed by pictures of the tired, stock rear control arms/bushings:

 

New T3 control arms:

 

The soft brake lines had also seen better days with rubber cracked and seeping. Not safe!

 

We replaced them with new hoses:

 

Gary is ready to get back on the road again!