Quote:
Originally Posted by VSS370z
With a good tune and 93 or higher octane gas you will always be able to extract more power but if you only have 91 available then stick with that and keep it around 450-500 whp with a conservative tune which is usually what many here do running 91 pump gas.
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Sounds just right 500whp with proper tuning. Also, try to keep your engine oil and coolant temps as low as your system allows. 185F - 190F coolant temp with 200F - 220F oil temp. The bottom lime is to prevent detonations the best that we can. That is almost the sole factor of blowing up any motors.