hp difference between 91 and 93 octane tunes?

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11-17-2007, 08:51 PM

danGT06

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Join Date: Jul 2006

Location: Tucson Arizona

Posts: 732

hp difference between 91 and 93 octane tunes?

I was just wondering how much HP difference there would be between a 91 and 93 octane tune on a N/A engine. Could it be worth a tenth at the track? It sucks being in AZ without 93 octane.

11-17-2007, 10:02 PM

hammeron

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Join Date: May 2006

Location: Nicely done

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RE: hp difference between 91 and 93 octane tunes?

what i have heard but never found
in writing, is ~ 5 rwhp per octane point....

11-17-2007, 10:09 PM

Nuke

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Join Date: Jun 2007

Location: PA to KY ('07) to IL ('09) to MS ('10) to FL ('11)

Posts: 16,182

RE: hp difference between 91 and 93 octane tunes?

Quote:

ORIGINAL: hammeron

what i have heard but never found
in writing, is ~ 5 rwhp per octane point....

My guess is that's a bit optomistic... I can't feelthe 30 rwhpin the seat of my pants from 87 custom to 93 custom tune if that's a reasonable value.

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