Quote:
Originally Posted by cowmeat
I've tried premium 93, mid grade 91, ethanol-free 87, etc . . . . in the Festiva and in both Insights. I have never had a noticeable gain in fuel economy in any of the cases, just paid more at the pump.
I am curious as to what gas everybody uses in their Insights, though.
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I run 87. Same in the Mustang, 87. Makes no difference unless your running FI or crazy NA horsepower.