Changing gear ratio in stock tune - Power Hungry Performance Forum

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Changing gear ratio in stock tune

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1997 to 2003 F-150 4.2L, 4.6L, and 5.4L equipped F-150s

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Mon, November 7th, 2011, 04:11 PM

n8ncl

Whopper Junior

Join Date: Sep 2011

Location: Lorain,Ohio

Posts: 2

Changing gear ratio in stock tune

Hi, just got done swapping out my 4.6 for a 5.4l. I still need to order my custom tune for the 5.4. I know you can change tire size in stock tune. But can you change gear ratio? My truck has 4.10s in it. Or do I have to load one of the can tunes to change gear ratio?

Thanks Mike J.

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