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· Super Moderator
1,652 Posts
I thought all 10 bolts were semi-floating, but I haven't been around GM axles enough yet to know for sure. The stuff you found seems to confirm that all 10 bolts (at least since '83) are SF.

Did you have any trouble with the pinion shaft lock bolt? I know that broke on my Ford 7.5 in, and I understand it can be a problem spot on a lot of these SF axles. Fortunately, mine came out readily, but some people really have to fight with those when they break. I've even heard it said that the lockbolt shouldn't be re-used.
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