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How to tell what a diff cover came off of?

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Old Oct 20, 2010 | 12:17 PM
  #1  
david068513's Avatar
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From: Ganiesville GA
Car: 1992 z28/1992 RS heritage edition
Engine: 350 tpi, 305 tbi
Transmission: 700R4,T5
Axle/Gears: G92
How to tell what a diff cover came off of?

I have a TA diff cover sitting here I got from someone who didn't know where it came from. It's a 10 bolt how do you tell if it will fit a 7.5 or 8.5 diff? From where to where do you measure to get it right.
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Old Oct 20, 2010 | 04:16 PM
  #2  
Tobias05's Avatar
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Car: 1987 Camaro SC, 1999 Z28
Engine: GMPP 350HO, LS1
Transmission: Built 700r4/EDGE 3200, T56
Axle/Gears: 3.42 Eaton 7.625, 3.42 Zexel Torsen
Re: How to tell what a diff cover came off of?

I'm lazy I'd prolly look for a PN?
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Old Oct 20, 2010 | 04:56 PM
  #3  
Apeiron's Avatar
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: How to tell what a diff cover came off of?

Why don't you measure it and see if someone here can compare with their 7.5 cover?
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Old Oct 20, 2010 | 05:46 PM
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Re: How to tell what a diff cover came off of?

You could try going to ANY of the drive train components places and looking at their ID charts; for instance, this one. http://www.drivetrainspecialists.com/categories/gm/
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Old Oct 21, 2010 | 10:14 PM
  #5  
david068513's Avatar
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From: Ganiesville GA
Car: 1992 z28/1992 RS heritage edition
Engine: 350 tpi, 305 tbi
Transmission: 700R4,T5
Axle/Gears: G92
Re: How to tell what a diff cover came off of?

I was told it came off a 4th gen Camaro SS, I'll go measure it.
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Old Oct 22, 2010 | 12:13 AM
  #6  
Apeiron's Avatar
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: How to tell what a diff cover came off of?

If it came off a 4th gen, it's 7.5
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