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2004 - 2008 Ford F150 General discussion on the 2004 - 2008 Ford F150 truck.

Rear gears

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Old 09-21-2015, 03:34 PM
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Default Rear gears

So I've got a Procharger on my 5.4L with stock gears. What ratio would you guys suggest to get my acceleration up? The procharger is stronger at higher rpm so I'm looking to get up to those rpms faster
Old 09-21-2015, 11:29 PM
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5.29.

What size tires are mounted?
Old 09-22-2015, 08:24 AM
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What do you have now? Tire Size? More than likely youll be good with 4.10 or 4.56. 5.29 is going to be stupid low unless you have 38" tires or larger
Old 09-22-2015, 06:44 PM
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20" rims and 33" duratracs. Local performance place suggested 4.56 just wanted to see what fellow f150 guys are running or would suggest
Old 09-22-2015, 11:26 PM
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Originally Posted by Surkanos
20" rims and 33" duratracs. Local performance place suggested 4.56 just wanted to see what fellow f150 guys are running or would suggest
4.10s would be ideal with that small of an increase in size, but the cost to change ratios is not worth it in my opinion to go from a 3.73 to 4.10. If you have 3.55s, it may be worth it. What gears are in the truck now?
Old 09-23-2015, 09:26 AM
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Originally Posted by toshbar
4.10s would be ideal with that small of an increase in size, but the cost to change ratios is not worth it in my opinion to go from a 3.73 to 4.10. If you have 3.55s, it may be worth it. What gears are in the truck now?
b6 3.73 ls



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