Ford 8.8 carrier interchange
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Junior User
Joined: May 2013
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Ford 8.8 carrier interchange
Would like to replace a 1985 open 8.8 solid axle carrier with a 8.8 limited slip carrier apon research the 8.8 was made from 1983 - 2012 around 98 it became IRS would the carriers from the IRS rears fit in the older housings ?
thanks!
thanks!
Moderator
Joined: Nov 2007
Posts: 22,415
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From: Denver Metro Area, CO
To answer your question, eeegad.... maybe somebody knows kinda offhand, or maybe @NumberDummy can look up NO SCRATCH THAT you're asking about the entire carrier assembly and not just the bearings, correct?
Laughing Gas
Joined: Feb 2010
Posts: 781
Likes: 8
From: Sanford, NC
Why don't you look into having your 8.8 rebuilt and adding a limited slip? You would
have to have a qualified shop do it. If it works better for you to swap in another one
I would stay with the same style you have now. You would need to know the width
of the rear end assembly to get one that is the same width.
have to have a qualified shop do it. If it works better for you to swap in another one
I would stay with the same style you have now. You would need to know the width
of the rear end assembly to get one that is the same width.
Moderator
Joined: Jan 2001
Posts: 56,984
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From: Virginia
A good place to find interchange sometimes is the junkyard site Car-Part.com--Used Auto Parts Market. But in this case it doesn't work too well, they mostly sell the complete rearend since the guts are not easily swapped on the 8.8. I looked up your truck and it did come up with a lot of hits and interchanges for yours and earlier models, but they were all 9 inch rearends, which of course are easily swapped. For several years Ford installed the 9 inch and the 8.8 rearends during the same model years. So your 85 could have had either one.
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FTE Legend
Joined: Nov 2015
Posts: 30,912
Likes: 4,123
From: Angier, NC
I under stand what you want to do take the LS out of the IRS and drop it in place of what you have now.
I can not answer that but as some one said if they have tone ring would that get in the way??
I can tell you you are best going for new because unlike the 9" that you can drop the center section in, the 8.8 center is part of the housing so you have to set up the gears. Setting up gears is not fun then throw in used gears and we will see you at the funny farm!
Can it be done....yes but it is a lot harder and may make noise when done even if you use your gears.
And because you are changing the carrier you are starting for scratch for setup.
Now if you like the gear ratio you have now you might want to look into something like Lock Rock Locker. They replace the spider gears in the stock carrier assy. no gear setup needed. Some make noise when free wheeling around corners and some don't.
It does lock both axles together under power so when going around corners if slick the back can kick out on you and if dry you get tire chirp.
I have one in a 96" wheelbase car and makes for fun when slick out, being in a long(er) WB don't think you would have any issues like that but still need to watch for it.
Dave ----
I can not answer that but as some one said if they have tone ring would that get in the way??
I can tell you you are best going for new because unlike the 9" that you can drop the center section in, the 8.8 center is part of the housing so you have to set up the gears. Setting up gears is not fun then throw in used gears and we will see you at the funny farm!
Can it be done....yes but it is a lot harder and may make noise when done even if you use your gears.
And because you are changing the carrier you are starting for scratch for setup.
Now if you like the gear ratio you have now you might want to look into something like Lock Rock Locker. They replace the spider gears in the stock carrier assy. no gear setup needed. Some make noise when free wheeling around corners and some don't.
It does lock both axles together under power so when going around corners if slick the back can kick out on you and if dry you get tire chirp.
I have one in a 96" wheelbase car and makes for fun when slick out, being in a long(er) WB don't think you would have any issues like that but still need to watch for it.
Dave ----
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