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 Explorer 8.8 rear axel

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bdodge



Posts : 4
Join date : 2011-02-24

PostSubject: Explorer 8.8 rear axel   Fri Sep 09, 2011 10:53 pm

Does anyone know if an 8.8 off of a 95 or newer explorer will fit under my 1980 fairmont? I want the disk brakes, but finding an 8.8 out of a mustang around here is almost impossible or they want bukoo bucks for it. The junk yards here are full of 8.8's from explorers for around $175 complete and good condition. are they close enough in width to get by? Moving perches and shock mounts isn't an issue as long as it's the right width. thanks!
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fangar150-ex



Posts : 853
Join date : 2008-11-10
Location : AZ

PostSubject: Re: Explorer 8.8 rear axel   Sat Sep 10, 2011 9:39 am

measure the distance between where the backing plates mount on your diff flanges and the 8.8 from the explorer.

if there is not any difference you are good to go, if there is a difference you may be able to offset the difference with different wheels from different mustangs, 94-98, 99-2004. 2005 & up. the 2005 & up mustangs have the offset of the wheels toward the inside. there is a difference between v-6 & v-8 in width hieghts etc, this works out in your favor id the diff is a little wider.
dont forget the exporer axles have different bolt pattern which is 4.5 inch on a 5 lug pattern.

also the parking brake cables on your fairmont will need altering for the disc brakes, a little pain in the backsiide but can be overcome.

you will have to alter the brake lines as well to match the fairmont, no big thing.

choose carefully, a lot of exploders have posi rear ends.

i think the driveshaft mounting flanges are the same pattern, if not you may be able to swap them out, keep the drive shaft bols from the exploder, as they will come in handy.

im pretty sure your drive shaft will fit the 8.8 with out modification.

check the gear ratios as well, for instance, if you are running a c4 trans, and 3.73 gears, it will take off like a rocket, and fall flat at around 60mph.

other things you may want to consider is booster/master cyl set-up, proportioning vale etc, get in & try it.

go for it!! good luck!!
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bdodge



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Join date : 2011-02-24

PostSubject: Re: Explorer 8.8 rear axel   Mon Sep 12, 2011 2:01 pm

I did some recon and fount that the explorer 8.8 is 1.25" shorter overall so .5125 inches shorter per side, I can make that work with proper backspacing. You say be careful because exploders have posi, is that a bad thing? I don't really want a one-tire-fire.
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fangar150-ex



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Join date : 2008-11-10
Location : AZ

PostSubject: Re: Explorer 8.8 rear axel   Sat Sep 17, 2011 8:35 am

pardon me, what i meant was a lot of explorers came with posi. if the axle tag is till on the diff, you can find the gear ratio and look for the letter "L" on the tag.

be carefull when changing the oil in these diffs, they all use 75/140 gear oil, but in addtion to that, you will need a friction modifier for the clutches in the posi unit.

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