To fully utilize the 4.36 FD on the strip you're going to need slix, ECU reflash for a rev limiter @ or > 8,000RPM, and a Nismo oil pump. For the week end ST racer/garage queen, these gears are fun as hell and I wouldn't go to anything higher since the VQ don't make any torque. If you daily drive your Z and are slightly concerned w/gas mileage, then you better go for the 4.08 FD.
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