Head bolt sealer

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Dusty B
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Head bolt sealer

Postby Dusty B » Sun Oct 13, 2019 6:43 pm

Which would be best for sealing the head bolts?? Have anti-seize compound or permeates # 2 (non-hardening)! Getting ready to button back up after doing the valves!! Dusty B
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tst
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Re: Head bolt sealer

Postby tst » Sun Oct 13, 2019 6:52 pm

I prefer a Teflon sealer, seals against the coolant and the bolts will always come out easy if they need to be removed in the future

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John *.?-!.* cub owner
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Re: Head bolt sealer

Postby John *.?-!.* cub owner » Sun Oct 13, 2019 8:54 pm

I also prefer the TFE paste.
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Re: Head bolt sealer

Postby Gary Dotson » Mon Oct 14, 2019 7:23 am

Dusty, anti-seize compound is not a sealant! Of your two choices, #2 Permatex will work. I, too, prefer PTFE paste.

john2189
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Re: Head bolt sealer

Postby john2189 » Mon Oct 14, 2019 7:57 am

Permatex Aviation Form a gasket works too
Last edited by john2189 on Mon Oct 14, 2019 7:59 am, edited 1 time in total.
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Ken (48 Cub)
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Re: Head bolt sealer

Postby Ken (48 Cub) » Mon Oct 14, 2019 8:54 am

The late-great George Willer recommended Teflon Pipe Paste to me years ago and that was good enough for me!
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Jim Becker
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Re: Head bolt sealer

Postby Jim Becker » Mon Oct 14, 2019 10:29 am

It seems to me a bit of a stretch when Permatex calls their #2 "non-hardening". OK, it doesn't turn into an adobe brick but it sure is stiff, no way you could consider it a lubricant. The torque specs for the bolts assume the bolt is lubricated. PTFE paste is a sealer and a lubricant, pretty well makes it the ideal choice for the head bolts.

For anyone that is unsure, "Teflon" is a trademark name for PTFE. So a recommendation for either is the same thing.

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Dusty B
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Re: Head bolt sealer

Postby Dusty B » Tue Oct 15, 2019 6:57 pm

OK! Thanks guys! Have some PTFE ordered!
Grandpa's '41 B
'56,,'57,'59,'71 Cub
'51 Super C
'55 Case SC
Fairbanks-Morse 3KW Generator
Dad's DB garden tractor
'48 DeSoto
'31 "A Coupe
'51 Ford PU
'55 Dodge PU
God looks out for those of us who don't know how to look out for ourselves!


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