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How to seal an exhaust stud in the water jacket? #813702 09/25/10 09:09 AM 09/25/10 09:09 AM
Joined: Jul 2009 Posts: 1,070 Newton, KS 7 70B5Cuda OP super stock
70B5Cuda OP super stock 7 Joined: Jul 2009 Posts: 1,070 Newton, KS	One of the exhaust studs came out with the nut when removing a cracked exh manifold and it was in the water jacket. What is the best way to seal it when reinstalling the manifold so I don't have any leaks? 1970 Barracuda B5 6.1 Hemi/6 speed 1969 Charger survivor in R6 383/727-wrecked 12/24/18 1968 Charger in original burgundy paint "Ribeye" 1968 Charger w/ 6.1L, TR-6060, 9" 1968 Roadrunner w/ 6.1L/6 speed 2011 Dodge Ram w/ 6.7L

Re: How to seal an exhaust stud in the water jacket? [Re: 70B5Cuda] #813703 09/25/10 10:54 AM 09/25/10 10:54 AM
Joined: Jan 2003 Posts: 1,255 Slidell, LA Ronnman pro stock
Ronnman pro stock Joined: Jan 2003 Posts: 1,255 Slidell, LA	Use Loctite PST on the threads that go into the head. Available at Summitt and other places. http://www.summitracing.com/parts/LCT-37615/

Re: How to seal an exhaust stud in the water jacket? [Re: Ronnman] #813704 09/25/10 11:09 AM 09/25/10 11:09 AM
Joined: Sep 2003 Posts: 1,465 Carson City, NV B babarracuda pro stock
babarracuda pro stock B Joined: Sep 2003 Posts: 1,465 Carson City, NV	You can also just buy some teflon in a tube and put it on the stud.

Re: How to seal an exhaust stud in the water jacket? [Re: Ronnman] #813705 09/25/10 11:11 AM 09/25/10 11:11 AM
Joined: Jun 2004 Posts: 3,396 St. Charles, MO wingman Uncreative Title
wingman Uncreative Title Joined: Jun 2004 Posts: 3,396 St. Charles, MO	Unlike header bolts, the shoulder above the threads of the exhaust studs seal pretty well when run in tight against the block. Just a little schmear of thread sealant is all I have ever used and not had a problem. 1969 Dodge Coronet Super Bee 383 A4 1970 Plymouth Road Runner 440 FC7 (sold)

Re: How to seal an exhaust stud in the water jacket? [Re: wingman] #813706 09/25/10 11:12 AM 09/25/10 11:12 AM
Joined: Jan 2005 Posts: 12,424 Kalispell Mt. H HotRodDave I Live Here
HotRodDave I Live Here H Joined: Jan 2005 Posts: 12,424 Kalispell Mt.	Put magnum heads on it I am not causing global warming, I am just trying to hold off a impending Ice Age!

Re: How to seal an exhaust stud in the water jacket? [Re: 70B5Cuda] #813707 09/25/10 11:49 AM 09/25/10 11:49 AM
Joined: Mar 2007 Posts: 9,336 South-Central (Sebring), FL Commando1 master
Commando1 master Joined: Mar 2007 Posts: 9,336 South-Central (Sebring), FL	No more will I take redo the bolt fiasco (that Mopar dreamed up ) AFTER the engine installation... I anti-seize it, then Loctite Copper, then teflon tape it for good measure. Sounds like a witches brew that can't work, but it does - dam if I know why

Re: How to seal an exhaust stud in the water jacket? [Re: Commando1] #813708 09/25/10 11:29 PM 09/25/10 11:29 PM
Joined: Oct 2005 Posts: 9,065 Milwaukee, WI In_The_Pink master
In_The_Pink master Joined: Oct 2005 Posts: 9,065 Milwaukee, WI	I've used Permates anti-sieze and it's always worked for me, on both headers and manifolds. As suggested above, use studs when possible instead of bolts.

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