Gears affect on tuning
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Staging Lane
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Join Date: Jun 2008
Location: Ft. Rucker AL
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Gears affect on tuning
I am looking to replace my 3.42's with 4.10's. I have a heads and cam car with a MS4 cam. I'm looking for lower end power to get rid of the bucking around 1300 RPM's. My question is what will this gear swap do to my tune? Will I be able to simply go in and change the gear size on HPtuners or will it need an entirely new tune?