Quote:
PKRWUD Said:
I agree, but the vehicles that could benefit would suggest in their literature that the driver should run a premium unleaded gasoline.
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Maybe. There is still the issue of pollution. Manufacturers may tune the cars for 94 octane but recommend 87 since it burns faster and more completely. Isn't premium something like 91 octane in CA for that very reason?
My car runs best with nonoxygenated 92 octane.