3.08 posi wanted - Pontiac GTO Forum
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post #1 of 2 (permalink) Old 05-09-2019, 07:46 PM Thread Starter
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3.08 posi wanted

I've got a 68 GTO that I'm bringing back to life. I will do considerable highway cruising so I'm looking to install a 3.08 highway gear but I still want the safety track-posi. I believe the diff codes I'm looking for are YE or XE. They're may be others too. Will pay reasonable price plus shipping. I also have some awesome Pontiac trade items to include: 428 std block - checked out good at machine shop. It will need .030 over. I also have the 428 nodular crank that will need a .01 -.01 turn.... I also have a Muncie M20 it good shape. I also have a XK differential out of a 69 Judge. This is the 3.90 heavy duty diff with the factory forged axels, nodular housing and 4 spider gears. This diff is in excellent condition. Let me know if you have the unicorn I'm looking for. Thanks
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post #2 of 2 (permalink) Old 05-10-2019, 07:38 AM
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PM me what you would want for the 428 block and crank. Thanks

1965 GTO Convertible 3 speed tri-power drum brakes originally

Current setup:
400 cu in with tri-power
4 speed Muncie
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