Front and Rear Diffs.
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Senior Member
Joined: Aug 2007
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From: Kentucky
Front and Rear Diffs.
I have a 1997 f-150 with a 4.2l engine and is also 4 wheel drive, how can i tell what differentials i have if it is a 8.8 or 9.75 im wanting to regear for larger tires im getting...4.10's is what im planning on
Thread Starter
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Senior Member
Joined: Aug 2007
Posts: 182
Likes: 0
From: Kentucky
alright thanks, I noticed tho when i was looking at gear packages it also said 31 spline? What is that and how would i know if that is for my truck is it located on the diff. tag also
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Joined: Sep 2006
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From: US Marine Camp Pendleton, CA
Originally Posted by 97f1fifty
alright thanks, I noticed tho when i was looking at gear packages it also said 31 spline? What is that and how would i know if that is for my truck is it located on the diff. tag also