Quote:
Originally Posted by ckaaron1
The only vehicles that currently require super unleaded are supercharged, turbo-charged, or high compression (higher than say 11:1) equipped. I am almost positive that these vehicles could be run on the higher octane, but lower btu ethanol enhanced fuel. In my past experiences, most of these configurations should not be required to run high octane fuel - the manufacturer places this demand on the fuel quality in a preference to the highest performance. With some simple reprogramming, I would think even the earliest models of these cars could be adapted to run an ethanol mix.
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That "only" part includes a whole range of cars. Civic Si, Other sports compacts, luxury cars, etc...
When performance is part of the selling point I think quite a few owners and enthusiasts would be offended by the suggestion their fuel is to be phased into a less capable and greener mix. People who buy V8 powered Corvettes are not normally thinking about greener driving habits.