Head bolt sealer?
#6
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Crazyhorse... are you saying the #2 permatex failed to seal the threads and the only change you made was to RTV then all was well? How long did the permatex take to start leaking? This is not good new too me, so some substantiating detail would be appreciated.
BT
BT
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#7
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The last time I did mine I tried permatex hylomar. I don't know how this will work out. Hylomar (I think that is how it is spelled) was made by rolls royce to seal their jet motors. It is a non hardening sealer.
Has any one else tried this stuff???
Has any one else tried this stuff???
#9
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Dyno had a cylinder head stud kit that he wanted to use on one of his engines and after using Permatex on the studs the water seeped out of the fine threads above the nuts and washers. I will say this- I've never had any kind of leakage issue with stock or aftermarket cylinder head bolts, and up until recently, I never used any sealer on the threads. I lubricated the threads and torqued the head bolts.