Is a 76' Impala rear end interchangable with a 72' - Impala Tech
Transmission & Driveline Transmissions & Differentials

 
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post #1 of 3 (permalink) Old 09-18-2010, 07:43 AM Thread Starter
 
 
Join Date: Sep 2010
Location: Abbotsford
Posts: 14
 
Thumbs up Is a 76' Impala rear end interchangable with a 72'

Hey guys, jus had my rear diff carrier bearing on the driverside call it quits on me last weekend. my rear end is a 10 bolt, open diff w/ C-clips and 8.5" ring gear. 38 teeth on the ring gear, 38 teeth on the pinion gear. I was thinking about rebuilding it later on as the housing is alright and not damaged from the carrier bearing litterally exploding in the rear diff. I just need something in there to move around right now.

Was thinking about finding a 12 bolt rear end cause there stronger and I have 24's on my car.

The question I got is, I found a 76' Impala at my local wrecker out here and was wondering if the rear diff axle complete is interchangable and will bolt right up to my OE 72' Impala 4 link set up in my car right now? I don't know if it's a 12 bolt or 10 bolt rear. I will have to check it out. If it's a 12 bolt rear, would my OE 72' driveline, 10 bolt, U-joint bolt up to the 12 bolt rear yoke? As same as if it was a 10 bolt from that year also? or would have to buy a new U-joint? Any info would help guys, I'll throw up some pictures later on today. Thanks!

-Shawn
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post #2 of 3 (permalink) Old 09-18-2010, 09:08 AM
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Join Date: Jan 2006
Posts: 12,304
 
1971-'76 shares interchangeable parts. The rear end should be a direct bolt in. If you want a 12 bolt Currie sells them ready to bolt in but they have to rebuild and refurbish an old used 12 bolt and then weld on used refurbished brackets off of another used 8.5 inch rear end to do that. Moser will sell you a brand new 12 bolt rear end (stronger than the Spicer original OEM rear) with out the mounting brackets if you have a means of recycling the old brackets (plasma torch to cut them off, grinders and sand blasters to clean them up and a welder and jig to put them back on where they belong).

Big Dave
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post #3 of 3 (permalink) Old 09-18-2010, 09:13 AM Thread Starter
 
 
Join Date: Sep 2010
Location: Abbotsford
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rear diff

Thanks Big Dave! I'm gonna go and check it out today or tomorrow. Hopefully this complete rear diff assembly gets me through for what I need. Thanks again!

-Shawn.
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