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Old 10-02-2017, 06:18 PM   #1
Bluegrasser
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1968 c10 pinion shaft lockbolt.

Newcomer here, and new to restoration. Anyway, acquired a 68 C10. Not too bad in my opinion, other than has a bit of rust, always been outside.
Anyway, had a leaking rear wheel cylinder. No problem. Noticed an axle seal leaking, so I called it a day since no local auto parts had them. They came in, installed, and noticed my pinion shaft lock bolt had a bit of wear. Can not locate one. Hate to put it back in as is, probably be fine. Plans are to redo this old thing from front to back and in-between. Hate to tear things down twice.
Any thoughts on where to look for one? All my local GM restoration places say they are discontinued. Parts stores are clueless.
Thanks for any help.
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Old 10-02-2017, 07:35 PM   #2
Bigdav160
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Re: 1968 c10 pinion shaft lockbolt.

Other than the size wrench needed to remove them, I don't think there is any difference from later model cross pin bolts.

I've bought these before for 8.5" gears

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Old 10-02-2017, 08:49 PM   #3
LockDoc
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Re: 1968 c10 pinion shaft lockbolt.

If it is worn i would definitely replace it or it will probably break on you.

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Old 10-03-2017, 07:45 PM   #4
Bluegrasser
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Re: 1968 c10 pinion shaft lockbolt.

Thanks for the replies. Still trying to figure out how this site works. You guys have been very helpful. Believe I'll hang around and learn a bit, share some pics, etc.
Thanks again.
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Old 10-03-2017, 08:27 PM   #5
BLT gmc
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Re: 1968 c10 pinion shaft lockbolt.

For rear end/ diff supplies I order from Tom's Differential. Look them up on the web. Good people, working with the best parts available. Bruce

You may not need it now, but he has an awesome you tube video that shows the tuning process of a posi traction unit.


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