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2004 to 2008 F-150 and Mark-LT
4.2L, 4.6L and 5.4L equipped F-150s and Mark-LTs.


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  #1  
Old Wed, March 10th, 2010, 07:15 PM
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Default gear ratios

does anyone now how to find out what the gear ratio is of a 2005 f150 4x4 stx it has a 4.6.
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Old Wed, March 10th, 2010, 07:25 PM
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Here's a list of OEM rear axle codes. You can find the code for your truck on your driver's door sticker.
19 = 3.55 open
H9 = 3.55 LSD
26 = 3.73 open
B6 = 3.73 LSD
27 = 3.31 open
18 = 3.08 open
25 = 4.10 open
B5 = 4.10 LSD

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Old Wed, March 10th, 2010, 11:38 PM
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thanks again you would think that they would just list the gear ratio instead of code
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Old Thu, March 11th, 2010, 12:13 AM
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Quote:
Originally Posted by double j View Post
thanks again you would think that they would just list the gear ratio instead of code
Gotta keep'm guess'n!!!!!
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Old Thu, March 11th, 2010, 03:35 PM
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im guessing that LSD is limited slip differential
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Old Thu, March 11th, 2010, 04:02 PM
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Yep LSD stands for limited slip differential.

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