Quote:
Originally Posted by IMASA
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?
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Agreed. We were remote tuning a car in eastern Canada and we could use 4 degrees more ignition timing compared to a local car with the same setup.