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#1
05-24-2007, 03:26 AM
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Correct 12 bolt pinion flange for LS-6 rearend ?
I was comparing my 12-bolt rear end to my friends the other day and I noticed we both have the same numbers stamped on the flange which is 9210 GM..
Mine is a 12-bolt with 4:10 heavy duty posi, and his is a 12-bolt with 3:31 posi. They are both 1970 Chevelle SS one with the LS-6 and the other with 396-350 h.p. Which rear end has the correct pinion flange? 
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