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1997 - 2003 Ford F150 General discussion on the Ford 1997 - 2003 F150 truck.

lower gears

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Old Nov 10, 2009 | 03:34 PM
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Default lower gears

I have an 03 F150 with the 4.2L. It has 3" body lift and 33x12.5 mud tires. I go muddin alot and want some lower gears for that really thick stuff! any suggestions on a good size? Thanks
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Old Nov 10, 2009 | 03:36 PM
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From: maple grove mn
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410s
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Old Nov 10, 2009 | 03:40 PM
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Thanks do u happen to know what size is in it stock?
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Old Nov 10, 2009 | 06:44 PM
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probably 3.55
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Old Nov 11, 2009 | 12:40 AM
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From: maple grove mn
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most likely 3.55 yea
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Old Nov 11, 2009 | 01:04 AM
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Originally Posted by mrpomerleau
410s
^ Ditto.
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Old Nov 11, 2009 | 01:06 AM
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Go look at your door jam and then check this link out. It will tell you what gears you have. Chances are they are 3.55s but with the 4.2 I'm not totally sure.

http://www.fordf150.net/howto/decode.php
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