Dana 70 or 70 HD

[clinebarger]

Originally Posted by whited44

I just put another dana 70 in one of my C30's. I would do like a 373 gear if I wasn't hauling a whole lot. I don't believe there is a 70 and a 70HD. They are super heavy duty already. I think a Dana 70 is similar to a dana 60 but with bigger tubes.

No 3.73 gear for Dana's, Goes from 3.54 straight to 4.10.

The Dana 70HD is used in Dually C30's, Not sure GM ever used the regular Dana 70, But Dodge did.