9in rear??
Elder User
Joined: Jun 2010
Posts: 568
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From: Northern IL
Looked under mine and had very many auto mechanics say "your speedo's broken", I reply "It is? Well, it's working right now. It gets fed off the diff." But that's because the usual cable is unplugged and capped by the extension housing.
FTE Legend
Joined: Jun 2006
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From: Ottawa, Ontario
The 8.8 is every bit as strong as any junkyard 1/2 ton 9" you're gonna find and if you do need something stouter then upgrade the axles and install a c-clip eliminator or swap in a 10.25.
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Senior User
Joined: Dec 2010
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well i keep knocking out my rears in my trucks, well only one in each of my '96 but its because the diff covers pilled back a few times when i went off road and the last time i didn't catch it. the gaskets always leak and on my last the pinion seal leaked out all my fluid dried out and locked up. all my other parts trucks and off-road truck the diff covers leaked or rotted out and i dont want to have to worry about those problems anymore. i always forget to look at my trucks to check out the rears so if i do a 9in swap i will not need to worry about it anymore.....
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Joined: Aug 2010
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The Ford 9'" is much stronger than an 8.8 and has a very large following as well as aftermarket support. It came with 31 splined shaft in all full sized trucks and can be upgraded to 35 and 40 splined shafts. The 9" also has the extra bearing supporting the pinion. Fullsized Broncos used them up to 86 I believe, but if your looking for something even stronger, there's Dana 60's, 10.25/10.50 and the 14 bolt. The 10.25 / 10.50 have the smallest aftermarket following. The 8.8 is no sluch but better in smaller trucks and such....just my .02cents
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Senior User
Joined: Dec 2010
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The Ford 9'" is much stronger than an 8.8 and has a very large following as well as aftermarket support. It came with 31 splined shaft in all full sized trucks and can be upgraded to 35 and 40 splined shafts. The 9" also has the extra bearing supporting the pinion. Fullsized Broncos used them up to 86 I believe, but if your looking for something even stronger, there's Dana 60's, 10.25/10.50 and the 14 bolt. The 10.25 / 10.50 have the smallest aftermarket following. The 8.8 is no sluch but better in smaller trucks and such....just my .02cents
Postmaster
Joined: Aug 2005
Posts: 4,728
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From: Cleveland, TN
Not on the later models, I can't remember for sure but I think it was around 90, 91, or 92.. I'm sure there is someone who remembers, and will chime in.
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From: Calhoun GA
Or just machine the exciter gear to fit a 9 inch
Senior User
Joined: Jan 2008
Posts: 334
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From: Palatka, Florida
Then you got to cut and drill the housing for the sensor in the top. None of this is bad but why.... when you can do it for 10 worth of junk yard parts? There a guy arround here that did the machining option. Very good option if you got a 2wd.
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goodolboy
1967 - 1972 F-100 & Larger F-Series Trucks
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Jul 14, 2005 08:45 PM
