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Old 12-02-2020, 03:44 PM   #1
Happy_dan
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Rear Diff Identification

I am confused by all the options in the rear diffs. Eaton, etc.
I have a 1968 C-20 with leaf springs and helpers.

I am looking for torque specs and a gasket (I read many posts about using black or gray silicone but I like to use it along with a gasket).

But really, it's about knowing what I have and as I learn about the truck, I try to understand but there are many options.

What diff is this?

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Old 12-02-2020, 03:52 PM   #2
gmc684x4
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Re: Rear Diff Identification

Eaton Ho52 diff
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Old 12-02-2020, 03:58 PM   #3
Stocker
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Re: Rear Diff Identification

^^ What he said
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Old 12-02-2020, 04:01 PM   #4
Happy_dan
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Re: Rear Diff Identification

Thank you! Got it and noted.
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Old 12-02-2020, 04:03 PM   #5
Stocker
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Re: Rear Diff Identification

I also use a gasket + sealer. Try this stuff instead of silicone. It's fantastic and made to use with gear oil. Permatex 81182

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