Quote:
Originally Posted by 1slow370
toluene actually pumps your octane too, and it's cheaper, but it isn't as much of a bump as what torco will give you. 5% toluene will take 91 up to somewhere between 95-98. but at 5% you need a gallon of it in a fill up.
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Might want to retry that math
Toluene has an AKI of 114
1 gallon in 19 gallons of 91 takes it to a solid 92