pontiac 12 bolt - Chevelle Tech
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post #1 of 2 (permalink) Old Jun 20th, 19, 9:04 AM Thread Starter
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pontiac 12 bolt

anyone do any decoding on a 12 bolt out of a pontiac? picked up a 2.56 open last night with a code of LJ its dated for a 70. Google it and shows for a gto or a grand prix. jim


70 chevelle, SS clone 454 4 speed
71 camaro. (owned since 1978!) 6-71 blown small block 400
66 chevelle 350 4 speed 3.55 12 bolt
66 el camino 350 th350 parts hauler
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post #2 of 2 (permalink) Old Jun 20th, 19, 10:07 AM
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Re: pontiac 12 bolt

1970 GTO-GP 2.56 41/16 LJ LY

LJ is the open diff -LY is the posi
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Last edited by Mike; Jun 20th, 19 at 10:54 AM.
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