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Stripped a rocker arm bolt... will helicoil hold?

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Old 02-03-2003, 04:47 PM
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Default Stripped a rocker arm bolt... will helicoil hold?

I stripped out my head/rocker bolt after doing a valve springs swap. Will a helicoil hold or do I need to replace the head? Please help me. My car is a 98 with boltons and a B1 cam.

Luke
Old 02-03-2003, 04:49 PM
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Default Re: Stripped a rocker arm bolt... will helicoil hold?

Helicoil is fine, if installed correctly will hold better than oem threads.
Old 02-03-2003, 05:56 PM
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Default Re: Stripped a rocker arm bolt... will helicoil hold?

I believe the rocker threads come from GM helicoiled already.
Old 02-03-2003, 06:24 PM
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Default Re: Stripped a rocker arm bolt... will helicoil hold?

Jason, stock threads are alumuinum, they like whole head are t-56 heat treated, but not quite as good as stainless helicoil thread inserts.
Old 02-03-2003, 07:57 PM
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Default Re: Stripped a rocker arm bolt... will helicoil hold?

10-4 on the helicoils. years ago I worked in a VW shop, and every air-cooled engine we overhauled got helicoils inserted for the cylinder studs. they worked fantastic, and I can't recall ever seeing one come back loose.
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