Quote:
Originally Posted by dyna mo
I would bet there are only a handful of production vehicles with =>12.5:1 compression(high compression). that's ~where 93 octane starts to make sense.
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I think there is a reasonably big market for handheld tuners as well. Most offer a regular tune as well as a 91 or 93 tune. Kind of a waste for what amounts to probably less than 30 hp gains in best case scenarios. Some of them cant even squeeze out an additional 10 hp.