The 1947 - Present Chevrolet & GMC Truck Message Board Network

The 1947 - Present Chevrolet & GMC Truck Message Board Network (https://67-72chevytrucks.com/vboard/index.php)

- The 1967 - 1972 Chevy/GMC Suburbans & Panels Message Board (https://67-72chevytrucks.com/vboard/forumdisplay.php?f=38)

- - Differential (https://67-72chevytrucks.com/vboard/showthread.php?t=746956)

Maggro

09-20-2017 12:58 PM

Differential

1 Attachment(s)

Can anyone help me identify what differential this is.

polishspy

09-20-2017 01:12 PM

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.

Bigdav160

09-20-2017 01:26 PM

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

Maggro

09-20-2017 02:13 PM

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

Bigdav160

09-20-2017 03:14 PM

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.

All times are GMT -4. The time now is 12:03 AM.