GM 12 Bolt Disk Brake conversion - Pirate4x4.Com : 4x4 and Off-Road Forum
 
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Old 04-29-2010, 08:58 PM   #1 (permalink)
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GM 12 Bolt Disk Brake conversion

I am in the process of building my first buggy and running a GM 12 bolt and a Dana 44. I want (and have heard) about using the "cadillac" method of converting from drum to disk. My question is that my axles are the 6 Bolt pattern, and everything i have seen and read about uses the 5 bolt pattern. So i was wondering what brake rotor are yall using on the GM 12 bolt rear end to complete this conversion ????
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Old 04-29-2010, 09:06 PM   #2 (permalink)
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On my last rig.I used the stock D44 backing plate,rotor,and calipers.
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Old 04-29-2010, 09:46 PM   #3 (permalink)
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Use the light duty rotor from the front of a 1990 Chevy half ton 4x4. If I remember correctly the part number from carquest is a 5568. But I would double check that. It will be the thinner of the two listings. Then you have to get the inside index opened up to fit over the end of the axleshaft. The part that originally centered up the drum. I used a holesaw to open mine up after I centered it up very carefully on my drill press. It was slightly oversized, but it actually worked out very well. Then just order up some weld on metric caliper brackets, and decide if you want ebrake calipers or non ebrake calipers.

Paul
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Old 04-30-2010, 05:15 AM   #4 (permalink)
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Thank you Paul....
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Old 04-30-2010, 09:53 AM   #5 (permalink)
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No problem.
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