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MI2600 04-18-2006 03:32 PM

Chevy 8.2 Pinion Nut
I picked up a 10-bolt 3.08 rear end for my '72 El Camino, to replace the 3.55 that's killing me gas-wise in town.

Anyway, the yoke was off. When I went to install the pinion nut I noticed the threads on the pinion were slightly damaged and I can't get the nut on. It looks to be 7/8" by 16 pitch.

Can anyone confirm that? I may need to use a die on the threads if I can't clean them up.

MI2600 04-19-2006 11:12 AM

Confirmed. 7/8" by 16...a special size compliments of GM.

48ChryslerRodder 04-19-2006 01:03 PM

If you can't find a die that size, try using a thread file. Any good tool store should have a set. They come in standard, metric, hydraulic, and pipe threads.Used carefully you should be able to clean the threads. They are great for those manufacturer proprietary items.

MI2600 04-20-2006 06:17 AM

Yes, I used a thread file yesterday and finally got it on.

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