Quote:
Originally Posted by onestout
It would be tough to make up the difference of the added cost in fuel savings so I'll stick with the 87.
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You ought to try it for a few tanks and see. The car will run and perform much better and you should see an increase in MPG's. I think at the worst it would be a net wash, money wise, with a better performing car. I only wish I could get E0 91. I run E10 91 and see about an 8% increase in MPG's, but the car is clearly happier, just like the owners manual says.