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IMASA · 03-11-2013, 09:24 AM

Seems to be a problem mostly in Western Canada. The guys over in Eastern Canada are able to run 4-5 degrees more timing than what I can run on Chevron 94.

Does anyone know if 91 + 10% ethanol gives better knock resistance than 94?

03-11-2013, 09:24 AM	#5
IMASA Rs has made me the woman i am today! Join Date: Jun 2002 Location: Vancouver Posts: 4,461 Thanked 1,276 Times in 308 Posts Failed 25 Times in 12 Posts Member's Picture Albums	Seems to be a problem mostly in Western Canada. The guys over in Eastern Canada are able to run 4-5 degrees more timing than what I can run on Chevron 94. Does anyone know if 91 + 10% ethanol gives better knock resistance than 94?