Quote:
Originally Posted by enkeivette
I've been nailing my motor at 13lbs of boost on only 91 octane up to redline multiple times every weekend since June to tune it... and enjoy it. No detonation yet with the now proper AFR.
...I have a .086 quench.
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You also said you didn't have detonation before you broke the piston. Just because you can't hear it doesn't mean it's not happening.