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Originally Posted by edevlin
Does it make any sense to put in a gallon or two of race fuel with with every tank of high test? I have also noted that my mileage goes down (and maybe performance, hard to tell) with ethanol in the mix. BTW, I did a couple of dyno runs with my 2.7L and picked up a few HP running straight race fuel, that was an expensive, but fun experiement....
Ed
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Well, you still have the same amount of ethanol which was what this thread was about, and for reasons I forget, till I hijacked. But good question, according to blue-s the ethanol just helps at detonation, race fuel should pack the rest of the energy on down the the hole, which ethanol won't...
On the other hand, why bother, your car shouldn't be noticeably faster with anything over 93 high test. 91oct and 2 gallons of 1000 should give every thin the alcohol dose plus the added punch...be like real 83 oct.
pk
PK