12 bolt - The 1947 - Present Chevrolet & GMC Truck Message Board Network

JW76 · 07-26-2009, 08:53 PM

I have a 12 bolt out of a 1969 truck with 3.73 gears. I am putting it in my truck with a TH400 with a manual valve body. I will eventually build a 6.0 that makes 500 - 550 torque for the truck. Will the 12 bolt be able to take the abuse? The truck will mostly see street use with occasional runs at the track. I've heard that the pinion shafts are smaller than the cars and break quite easily. I intend to use good Moser axles and a C clip eliminator kit if I use the 12 bolt. Thanks for any input.

07-26-2009, 08:53 PM	#1
JW76 Registered User Join Date: Dec 2008 Location: Providence Rhode Island Posts: 404	12 bolt I have a 12 bolt out of a 1969 truck with 3.73 gears. I am putting it in my truck with a TH400 with a manual valve body. I will eventually build a 6.0 that makes 500 - 550 torque for the truck. Will the 12 bolt be able to take the abuse? The truck will mostly see street use with occasional runs at the track. I've heard that the pinion shafts are smaller than the cars and break quite easily. I intend to use good Moser axles and a C clip eliminator kit if I use the 12 bolt. Thanks for any input.



Register or Log In To remove these advertisements.

Register or Log In To remove these advertisements.