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

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Old Mon, November 7th, 2011, 04:11 PM
n8ncl n8ncl is offline
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Question 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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Old Mon, November 7th, 2011, 05:29 PM
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Quote:
Originally Posted by n8ncl View Post
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.
Yes, you can change the gear ratio. I think you have to load a tune to change it though. It's not a big deal, you can use the Trans Only tune if you don't want to tune the engine.

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Old Mon, November 7th, 2011, 08:24 PM
n8ncl n8ncl is offline
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Okay thanks... That is what I was thinking, when I talked to Edge they did not really want to give me answer the tech I talk to said I should check here.
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