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Old 08-29-2010, 10:33 PM   #1
suby6
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Noob to tuning question

Are the power gains from a tune just from tuning timing to higher octane fuel or are there other factors at play?

Say just for info that I got a tune based on staying at 87 octane would I feel an improvement for any reasons?

If I got a tune I would base it on 91 octane but just want to better understand what it does...


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