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Exhaust Manifold Studs #3146252 05/22/23 07:47 PM 05/22/23 07:47 PM
Joined: Apr 2005 Posts: 881 Ohio B B5TA OP super stock
B5TA OP super stock B Joined: Apr 2005 Posts: 881 Ohio	So what do you use to stop the studs from leaking coolant ? This is my 340 T/A engine with the stock cast iron T/A heads. Thanks , Kevin

Re: Exhaust Manifold Studs [Re: B5TA] #3146265 05/22/23 08:32 PM 05/22/23 08:32 PM
Joined: Jun 2006 Posts: 476 Central NY G GarageDodge mopar
GarageDodge mopar G Joined: Jun 2006 Posts: 476 Central NY	permatex #2 on the threads that screw into the head.

Re: Exhaust Manifold Studs [Re: B5TA] #3146285 05/22/23 10:29 PM 05/22/23 10:29 PM
Joined: Jan 2003 Posts: 15,315 Omaha Ne T TJP I Live Here
TJP I Live Here T Joined: Jan 2003 Posts: 15,315 Omaha Ne	Any thread sealant should work. www.tandmautomotive-omaha.com

Re: Exhaust Manifold Studs [Re: TJP] #3146309 05/23/23 01:57 AM 05/23/23 01:57 AM
Joined: May 2006 Posts: 1,754 Phila P PhillyRag top fuel
PhillyRag top fuel P Joined: May 2006 Posts: 1,754 Phila	Originally Posted by TJP Any thread sealant should work. Should be a high temp version.

Re: Exhaust Manifold Studs [Re: PhillyRag] #3146329 05/23/23 08:13 AM 05/23/23 08:13 AM
Joined: Jan 2003 Posts: 13,573 md M mopars4ever I Live Here
mopars4ever I Live Here M Joined: Jan 2003 Posts: 13,573 md	Had a small leak on my 340 after installing new studs . Mine sealed up on their own after a few heat cycles.

Re: Exhaust Manifold Studs [Re: B5TA] #3146379 05/23/23 12:40 PM 05/23/23 12:40 PM
Joined: Dec 2018 Posts: 88 IL 8 83hurstguy member
83hurstguy member 8 Joined: Dec 2018 Posts: 88 IL	I had a set with three studs that kept seeping until I used red high-temp RTV on the threads and in the hole. I used a rubber coupler with air chuck and regulated compressed air down to 10 psi so I could soap test the studs.

Re: Exhaust Manifold Studs [Re: mopars4ever] #3146508 05/24/23 12:15 AM 05/24/23 12:15 AM
Joined: May 2006 Posts: 1,754 Phila P PhillyRag top fuel
PhillyRag top fuel P Joined: May 2006 Posts: 1,754 Phila	Originally Posted by mopars4ever Had a small leak on my 340 after installing new studs . Mine sealed up on their own after a few heat cycles. Just like exhaust pipe joints, will tend to seal themselves from rusting, unless it's more then seepage.

Re: Exhaust Manifold Studs [Re: B5TA] #3146518 05/24/23 01:26 AM 05/24/23 01:26 AM
Joined: Aug 2003 Posts: 43,127 Bend,OR USA C Cab_Burge I Win
Cab_Burge I Win C Joined: Aug 2003 Posts: 43,127 Bend,OR USA	One small package of Alumimseal, I'll try and post a picture of one of them tomorrow Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)

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