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#1
10-08-2025, 01:04 AM
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Pontiac 8.875 Rear end
Look for a posi or open diff with 3.xx gears. I have a 66 gp, from what I’ve read any full size rear end will work from 65-70, and 71-76 but the pinion is splined different on the later models and that would need swapped as well.
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