100 octane
#16
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1 gallon of toulene will accomplish the same as 2-2.5 gallons of 100 octane, depending how many gallons you add at the same time. I use 1 gallon per 11 of 91 and it gives me 93 octane (I fill up at 1/4 tank).
#20
I think i read on iwsti somewhere that the GD sti ecu is capable of compensating up to 96 octane? the 76 that has 100 is right by my work so I've been putting in a ilttle over 3 gallons on my fills to get to 93, though it's like $6.30 a gal at the redwood city one and I don't think I've ever seen it below $6
#22
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specb
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09-12-2006 01:56 PM