Quote:
Originally Posted by X-TECH MAN
There were some heavy duty GM trucks that used a Dana rear but the key word is "TRUCK" so the Dana would not be legal in a GM product stock eliminator car. Its legal in Mopar because of so manay PASSENGER cars from Plymouth/Dodge came with the Dana 60. AMC is considered part of Mopar now so the Dana and the 8 3/4 is deemed legal. I always felt that any passenger car rear should be allowed for strength no matter the brand of car like in Super Stock. I dont think the rear end makes enough HP to push the car down the track any quicker but the rules are what they are.
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Right..and the 68-70 Olds Oshawa plant put the Chevelle 12 bolts in the 442's. The 1970 GTO 455's had Chevelle 12 bolts in them.
With a little Clintonesque spin on it, It depends on what the meaning of "manufacturer " is...