David M is a long time Z32 owner and we talked about building up his ’91 300zx Twin-Turbo for several years. In 2010 we did a full engine build including a ZCG long block, cams, BB 530 turbos, oil coolers and dual POP chargers.
With 10k miles on the fresh drivetrain it was time for smog and braking system work. We tuned the car for 91 and 100 octane. Big thanks to Seb from SpecialtyZ for the opportunity to now tune the intake/exhaust cams with NISTUNE software.
Here is the 91 octane tune with peak gains of 11hp/18tq at the wheels:
Here is the old vs new tune on 100 octane:
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