09-20-2017, 12:58 PM | #1 |
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Location: Buckeye, Az
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Differential
Can anyone help me identify what differential this is.
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09-20-2017, 01:12 PM | #2 |
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Location: Texas
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Re: Differential
That is an eaton 10 bolt rear end. It has an open differential. They used to make lockers for it but they stopped many years ago. If you have a 4x4 i would swap it for something you could put a posi unit in like a GM 14 bolt.
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09-20-2017, 01:26 PM | #3 |
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Re: Differential
A detroit locker was available from the factory for the Eaton. If equipped, it's probably on the SPID.
I believe the OP has a '69 2WD 3/4 ton
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09-20-2017, 02:13 PM | #4 |
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Re: Differential
Wow you are good, any idea what the gear ratio is on this. It's not to good on the highway and I would like to regear if possible.
Thanks for the info guys Last edited by Maggro; 09-20-2017 at 02:21 PM. |
09-20-2017, 03:14 PM | #5 |
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Re: Differential
1972 ended the use of the Eaton HO52 axle in GM vehicles. It was only available in 4.11 and 4.56:1 ratios. I don't believe there are any aftermarket gearsets.
Your best choice would be convert to an overdrive transmission for better drivability. In my Suburban, I installed a '75 GM corporate 14 bolt with a 3.73:1 gear and a 700R4 overdrive transmission. Perhaps not the greatest combination for performance but it works well for me.
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