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Thread: 12 bolt gm posi
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02-26-2011 #1
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12 bolt gm posi
Can anyone on here help me with info on my rear. Here are all the number I found on the rear.
It is a 12 bolt with a posi, but thats all I know.
On the axle tube is CCF 1113B1
ON THE CENTER SECTION IS 1234567890 AND A CAST MARK BETWEEN THE 8 AND 9
39692-8NF GM 54 CON1
Any help would be of great help.
Thanks Andrew
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02-26-2011 #2
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- Feb 2005
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I believe the CCF 1113B1 is a 3:31 posi traction built on November 13th in Buffalo on the 1st shift. Could be out of a 70 Chevelle or Monte Carlo. Not sure on the center section though.
Dave Smeal
1972 NovaPwr
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