Thread: 2016 C7 Z06
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S.W.G. S.W.G. is offline
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Join Date: Jul 2014
Car: 335i
Default 10-22-2016, 10:00 AM

Quote:
Originally Posted by Mike_L
I still think the inferior gas has to shoulder a lot of the blame. GM/SAE power testing is done on 93 octane, and California gets 91 or 92 at best. Thats 2.5-3 of knock retard, cutting boost and spark. I believe that a log would have shown that KR and reduced boost.
It's not really an octane issue, its a heat soak issue.
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