8.8 interchangeability
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Senior User
Joined: Apr 2005
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From: Columbia,S.C.
8.8 interchangeability
I'm wanting to do a gear swap and diff change. I also need my truck for work, so that i could have little down time as possible, I was going to source a rear end from a salvage yard, so i could rebuild, then swap it up under the truck, and wanted to make sure i got all my T's crossed and I's dotted so to speak. I have a 89 f150 with the 8.8, 3.55 gears and 33" tires, so i lost alot of my power to the ground.The question is, can I use an 8.8 out of any 87-91 f series ? With out messing up the abs ?
Senior User
Joined: Mar 2005
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From: Newark
You should be able to use any 8.8 diff. The Ford Exporer uses a 31 spline 8.8 with 3.73 gears. The gears are fully compatible with any 8.8 rear. If the Trucks use a 31 spline axle(i'm pretty sure it does) the carrier will also work for you. You should also be able to retain you ABS with no problems.
Last edited by 12secondstang; Sep 6, 2006 at 10:49 AM.
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Joined: Nov 2002
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From: Concord, NC
In order to be able to just swap the whole axle in, you'd need to have one from an 87-96 F150. The exploder housing is narrower and the bolt pattern is different on the axles, but as 12secondstang said, the carrier and gears will interchange.
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Senior User
Joined: Apr 2005
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From: Columbia,S.C.
yeah, regearing is the main idea for sure, i want my power back!! Having to rev it up as high as i do to get the tires to spin is a pita.
I also think I'm gonna go with the trac-lok diff to get a little more traction to the ground.Plus I can take the opportunity to freshen up the whole rear with new bearings, seals, ect.,ect., since I'm running the bigger meats.
I also think I'm gonna go with the trac-lok diff to get a little more traction to the ground.Plus I can take the opportunity to freshen up the whole rear with new bearings, seals, ect.,ect., since I'm running the bigger meats.
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