10.25 or 10.5
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Elder User
Joined: Oct 2006
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From: Poquoson Va.
10.25 or 10.5
Im looking at a truck for play that has a 10.25 out of 88 F-350. My question is, how do you tell it from a 10.5 ? It has 3.55s and needs 4.56 or 4.88s and will need to be sure. Thanks
Post Fiend
Joined: Jul 2006
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BOM, or the tag, or the size of the ring gear. Measure it while you inspect the inside. You do plan on inspecting the inside right? Cant imagine buying an axle without openning it up.
I am also confident that the 10.5 will have a metric bolt pattern
I am also confident that the 10.5 will have a metric bolt pattern
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Elder User
Joined: Oct 2006
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From: Poquoson Va.
Im looking at the whole truck, not just the rear. Its a beater and fell in love with it at first sight. Dana 60 front, built 351C, C-6 w/stall converter,etc. Will post pics later. I just didnt know the difference between the 2 axles. The bolt pattern is the old bolt pattern.
Postmaster
Joined: Aug 2008
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From: Olympia
I have a '88 F-350 aswell.
And just so you know, mine has a 10.25 rear and Dana 60 front. I'm not sure that the 10.5 came in these trucks anyways if thats what your wondering.
As for the engine, upgrade to the 460.
I've got a stock 460 with 4.10 gears. Currently lifting it, going to put gears in it and probably a cam.
And just so you know, mine has a 10.25 rear and Dana 60 front. I'm not sure that the 10.5 came in these trucks anyways if thats what your wondering.
As for the engine, upgrade to the 460.
I've got a stock 460 with 4.10 gears. Currently lifting it, going to put gears in it and probably a cam.
Posting Guru
Joined: Jul 2004
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From: Cottage Grove, WI
Yup, if the axle really was out of an 88 it was a 10.25. Doesnt really matter too much though, ive heard that they both use the same gears/install kits. MEANING, you buy gears... youre turning your 10.25 into a 10.5
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From: Poquoson Va.
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