Rear end casting date 4/25/27

[tblack]

I have a rear end that came with a chevy i bought...none of the numbers jive with chevy parts books.  Perhaps it is a pontiac.  It has a torque tube. Did early oakland/pontiacs also use a torque tube?  If not then I'm on the wrong forum to get me started...TBlack

[Kornkurt]

Yes they did.  Any casting numbers? How many lug bolts?   How about some pictures?

[tblack]

6 bolt pattern same as a chevy....the stamped number on the carrier is R63060.....there is a lone P stamped also the top of the Carrier in the Same place as a lone C is stamped on my chevy rear end...maybe P is for Pontiac

[32Pontiac6]

Pontiacs had torque tube setups from their start in 1926 through 1928.  They went to Hotchkiss drive in 1929 with the Series 6-29 cars.  

 

The early torque tube carrier and torque tube was part number 342495 for '26-'28

There was one with a different gear ration than standard in 1928 that had part number 526562

 

Those numbers should be stamped someplace on the casting, I believe.

 

Hope this helps.  As Mr. Kornkurt says, photos might be helpful.

 

[tblack]

I'll get a picture tomorrow.  There are also part numbers on the the Parts that hold the axle to the springs they also were not lining up with anything chevy so maybe you can find them in your pontiac book