Quote:
Originally Posted by DrkPhx
Did you re-dyno the car when it was stock with 91 octane? I just picked up a '13 ZL1 M6 that still has the dealer filled gas. Curious to know how much this affects the numbers. Good news I have a BP that sells 93 octane in my area.
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Unfortunately, we didn't. I'd say it's about a 15-20 RWHP difference.
Quote:
Originally Posted by thebeast916
Nice work
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Thanks!
-Rick