need some help.

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May 29, 2010 | 09:14 PM

00'150

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need some help.

i have a 2000 with a 4.6 i believe i have a 9.75 rear axle if anyone could confirm that it would be great. i want to put 4.88s in my truck and ive been lookin at these.
http://www.4wheelparts.com/Drivetrai...%2fGFD-975-488

May 29, 2010 | 11:08 PM

glc

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From: Joplin MO

4.6's have 8.8" rears.

May 30, 2010 | 03:34 PM

00'150

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ok. thanks now i have to figure out if it is a 28 or 31 spline.

May 30, 2010 | 09:20 PM

chiefFX4

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From: Summerville, SC

all f150 8.8s come with the 31 spline axles.

Jun 1, 2010 | 03:56 PM

00'150

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ok, thanks.

Jun 1, 2010 | 07:10 PM

Roadie

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From: Wilmington,NC

You can confirm the size and ratio of the rear by checking the code on the door jam or the tag on the rear diff cover.

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