Quote:
Originally Posted by ss3011
You can use one in a leaf spring Stocker Mopar or AMC , but they didn't come in GM or Ford cars . The Rule book specifically says no truck rearends in Stock , but if you weld on the tubes on a 3.250" Dana , I don't think you could tell the difference. They are legal in all brands in Super Stock .
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My dads 68 GMC (bought new and I still have) has a "truck" Dana 60 under it and many Fords do also. New 3" CM tubes can be pressed in, all are 3" in the housing no matter what the tube diameter is.
Maybe NHRA meant no dump truck rears. LOL