Geo’s 350Z came to us for some attention after some years of running on a Greddy TT kit. We upgraded the fuel injectors from the RC 440cc to new Bosch 650cc. We also replaced the ECU with the new Haltech Platinum Pro-Plug-In. It previously had the old Haltech patch harness kit. The shortblock has been built with Wiseco forged lower compression pistons and K1 rods.
New Bosch injector on the left and old RC injector on the right.
Tuned on 91 octane for 429 whp and 421 torque.
Ben came back a few weeks ago from Vegas after having completed a few more efficiency changes to the JWT TT Kit. This allowed us to increase the boost pressures more. Here was the previous blog post on this G.
All on 91 octane. Nice increase in power! There is still more to do to improve upon the efficiency. Almost 100 torque and whp gained at 5500 RPMs. Ben’s put over 60,000 miles since we last tuned it!
Jason brought over his beautiful Nismo equipped with Stillen Gen 3 Intake, HFCs, and ARK Catback.
Here’s the baseline (blue run) vs tuned (red run) performed in 4th gear. Impressive gain of 26 torque and 26 whp at 5200RPMs.
Here’s the final run performed in 5th gear (1:1). Most impressive peak power and torque! 334 whp and 277 torque.
JoeZie has once again gone under the knife in the last year and is back with a new look. Any good plastic surgeon would agree that she’s radially changed her look. The photos I took are terrible, please excuse the quality.
Click me for an earlier post about JoeZie.
All lights are LED now, front to back.
Speaks for itself.
The old clutch (pictured above) was slipping so it was time to replace and upgrade the flywheel with our SZ Flywheel. We installed our Max Street Clutch.
We strapped her back onto the rollers to see where she’s been up after replacing the clutch and flywheel.
The results were hard to believe at first. The blue run was performed a couple years ago. Both runs were done at the exact same tunes and boost level (100 octane fuel). All that was changed were the clutch and flywheel. Looks like the old clutch never held the power and the flywheel helped with some of that too. 522 whp versus 446 whp was an outstanding amount of peak power increase!
Congrats Joe!
We wish you a happy 4th of July! Be sure to keep your kids, pets, and Zs safe! Specialty-Z will be closed today and tomorrow, resuming operations Monday the 8th.
Legend’s Z32-TT has basic mods considering how many new parts are available for the Z32. He was looking for more power safely (until his big build) and with the better availability of ethanol fuel in our area we went ahead and converted the Z to run ethanol.
The Z has the following parts\mods:
We made a baseline pull on 91 octane fuel (green run), and switched over to E85. We’re very lucky that both our stations carry ethanol that ranges from 80-84% ethanol content throughout the year. In any case, we made a pull on E85 without touching the boost controller or timing. We only obviously had to change the fueling. This is the difference ethanol makes just changing over on this particular Z. This is partly due to the amazing cooling effect of the fuel. 43 torque was gained at 4500 RPMs and almost 30 whp. Peak power was up 20 whp and 35 torque.
Here’s the final tune for E85. Impressive power for the little amount of modifications this Z has. 444 whp and 487 torque!
Craig from Vegas came down for a tune and we turned out to make some impressive numbers from the sedan.
Armed with just a catback, HFCs, and a Stillen Gen 3 Intake, all through the 7AT. 320 whp.
Paul brought us his Lotus replica after a recommendation from a friend. We went to work tuning it as soon as we strapped it down! It uses a Canems with two fuel injectors (port injection). One injector per 2x cylinders. The engine is a BMC 1275 A-series from a 60’s MG Midget.
From Paul: “Engine has been modified with custom fuel injection and a crank triggered wasted spark ignition system.
The throttle body is from a Honda RC51 superbike adapted to an SU intake manifold (I’m only using one of the bike’s throttle bodies). Injectors have been changed to larger items (460 cc/min @ 3 bar). The throttle body has twin injectors and I have configured the ECU with multi-point control (one injector for cylinders 1 & 4 and the other injector for cylinders 2 & 3).”
This was definitely one of the more unique vehicles I have tuned. I was somewhat concerned with how well the port injection was going to work with one injector for two cylinders. Overall it runs fantastic and is a blast to take a ride in!
Earlier this year we tuned several high HP Zs. Here are a few of them. All running on ethanol fuel (50-70%).
First up we have Anthony, running on HKS 2530s, JWT 400+ cams, head work, SZ 3″ Down Pipes & Test Pipes, ID 1000cc injectors, and 2.5″ IC Piping. Amazing response and torque. 500 torque at just 4000 RPM. Just made 700 whp and 683 torque!
Nest up is Dennis, his Z came equipped with GT2860RS turbos, JWT 500 cams, full ASH piping, 1000cc injectors, SZ 3″ Down Pipes and Test Pipes. 726 whp and 638 torque.
Petar came in with GTX2863 turbo muscle, JWT 500 Cams, SZ 3″ Down Pipes and test pipes. Excuse the tach loss between 5000 and 5250 rpm. 798 whp and 720 torque.
Equipped with a Haltech ECU and flex fuel sensor, Ray is equipped with old skool TD06L2-20G Mitsu turbos, SZ Inconel Manifolds, full 3″ exhaust. JWT 500 cams. Running on ID2000cc injectors.
830 whp and 670 torque.
This Z32 TT came to us after not having run for a long time. We went to work performing the required maintenance and upgrading along the way. It WAS stock when it arrived and left a much happier Z.
We replaced all the original fuel injectors as a couple were bad and used Nismo 740cc injectors as replacements (“JECs” or DW need not apply here). While the plenum was off we replaced all seals and gaskets, along with bypassing the water hoses. Throttle bodies were upgraded with larger Z1 units. Intercooler piping was upgraded with Ash 2.5″ units along with Massive Intercoolers and a Selin Dual POP Kit was added. It retains the factory inlet piping and the factory exhaust manifolds. SZ 3″ 4-Bolt Down Pipes, SZ 3″ to 2.5″ Test Pipes, and SZ Dual Tip Resonated X-Pipe Catback replaces the entire factory exhaust. SZ\RPS Sport Street Clutch and SZ Flywheel were also installed to support the higher power output.
A Blitz sbc-iD Spec-R Boost Controller was also installed to increase the boost.
Super clean and tidy while being a sleeper.
We unfortunately could NOT get a bsaeline. It came in misfiring and in terrible shape. We achieved peak power at 6100 RPMs with 14 psi. Peak torque of 411 ft\lbs at 4500 RPM. 91 octane fuel.
