Re: Sealing 383 exhaust studs
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Re: Sealing 383 exhaust studs



Try Teflon tape. As many wraps as the thread clearance will allow.
Mike

On Sun, Aug 11, 2019 at 4:15 PM <62-65-mail-list-club@xxxxxxxxxxx> wrote:
Thanks for the heads up Jim. Real world evidence that at least at times the pipe sealant is not up to the task on an
exhaust bolt.

Gary H.

>  -------Original Message-------


>  When I put my motor together I used Earl’s pipe sealant on the
>  exhaust studs and unfortunately it leaked just enough to steam a
>  little once the engine warmed up. I switched to Ultra Copper and the
>  problem is solved.

>  Unfortunately to do so I had to remove the headers but lesson learned.

>  Jim

>  On Friday, August 9, 2019, 12:10 PM, 

>  > I've not done it but I've heard about using pipe thread compound,
>  > like the stuff used in high temperature heater boilers,
>  >
>  > which supposedly only requires coating the bolts and installing.
>  > When using high temp sealants like Permatex (red
>  >
>  > copper etc.) "dry and clean" is the condition required for the bolt
>  > hole. Then let the car sit overnight before starting the
>  >
>  > engine.
>  >
>  > Thanks,
>  >
>  > Gary H.
>  >
>  >> -------Original Message-------
>  >
>  >> Hi Dennis
>  >
>  >>
>  >
>  >> I struggled with this issue also. I hope you don't have to pull
>  > the
>  >
>  >> steering column out like I did to fix the problem!
>  >
>  >> I used Permatex High Temp Thread Sealant.
>  >
>  >>
>  >
>  >> If my feeble memory is correct, Ehrenberg suggested just using
>  >
>  >> plumbers pipe thread sealant.
>  >
>  >>
>  >
>  >> Best of Luck,
>  >
>  >> Lyle
>  >
>  >> On Friday, August 9, 2019 at 9:26:16 AM UTC-4, dennis.1963ply
>  > wrote:
>  >
>  >>
>  >
>  >>> Hello,
>  >
>  >>>
>  >
>  >>> I have put up enough with a couple of exhaust studs leaking
>  > coolant.
>  >
>  >>> The guy who put it together (me) many years ago must not have
>  >
>  >>> sealed them well enough. What do you guys recommend for sealing
>  > the
>  >
>  >>> studs.
>  >
>  >>>
>  >
>  >>> Thanks
>  >
>  >>> Dennis C.


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