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Pete · 10-02-2020, 02:45 PM

My book listed 240 for a grade 8 nut and bolt. I use 225 because there have been no failures at that. Most all of my repairs have been to vintage race car axles. FAR MORE stress than any street driven car for a couple of reasons. They have a locked rear end and FAR more hp.

Oh and another thing, I can get lapped hubs off without any sledge hammers or part damage.

10-02-2020, 02:45 PM	#15
Pete Senior Member Join Date: May 2010 Location: Wa. Posts: 5,408	Re: Worn rear axle threads My book listed 240 for a grade 8 nut and bolt. I use 225 because there have been no failures at that. Most all of my repairs have been to vintage race car axles. FAR MORE stress than any street driven car for a couple of reasons. They have a locked rear end and FAR more hp. Oh and another thing, I can get lapped hubs off without any sledge hammers or part damage.