Re: Head bolts

Posted by Farmall MD nut on June 14, 2007 at 01:30:38 from (152.163.100.14):

In Reply to: Re: Head bolts posted by Grub on June 13, 2007 at 14:58:10:

Hi Grub. So wouldn't that be better if the s/s stretches less? It would be less stress on fastener, not?

"Crucial also is turning all that torque from your wrench into clamping pressure. Any torque lost to friction with bad threads, paint, dry threads, etc. results in less clamping pressure (also known as preload)."

I couldn't agree with you more. That's exactly why I like to use head studs, because you're torquing the nut and not a 4"-5" bolt that twists and doesn't get all that torque to the threads. I've always used the CAT headbolt grease to lube threads.

I'm not sure how much increase I'm gonna have. I'm still mulling around ideas. Doug

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