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08-16-2005, 06:56 PM

MustangGT75

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Join Date: Jun 2005

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Posts: 23

Quick question

Will putting 89 octane gasoline increase the performace of my 95 gt compared to the 87 octane?

08-16-2005, 07:02 PM

Quik

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Join Date: Nov 2003

Location: Pittsburgh, PA

Posts: 5,182

RE: Quick question

i would bump the timing and run 93 if you can afford the prices

08-16-2005, 11:48 PM

92hatchLX

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Join Date: Feb 2005

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Posts: 8,439

RE: Quick question

It will not increase the performance unless you have higher than stock timing... You're wasting money if your car is all stock.

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