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Question about studs...not you! |
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Buckeye 
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Joined: 02 Dec. 2009 Location: MN/OH/MI Status: Online Points: 464 |
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 Topic: Question about studs...not you!Posted: 18 Dec. 2020 at 2:21pm |
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I am at the point of pulling my engine apart to send to the machine shop. Question for the group: Do you save and reuse your manifold and head studs? Or do you recommend to go with all new?
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1946 CJ2A #21766
1946 CJ2A #31484 Retired US Army Chief Warrant Officer |
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Oldpappy
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Joined: 09 Apr. 2018 Location: East Tennessee Status: Offline Points: 1187 |
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Posted: 18 Dec. 2020 at 2:30pm |
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On a rebuild I always replace studs I pull out with new studs, and nuts, and chase the threads after the block comes back from the machine shop.
These things get stretched, particularly the head studs, and the threads in the block are often full of gunk. I want good strong studs and clean threads so I know my torque settings will be more accurate and there is less chance of breaking one off. Cheap insurance..
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If you can't get there in a Jeep you don't need to be there
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SE Kansas 46 CJ-2A
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Sponsor Member x 2 Joined: 22 Jan. 2016 Location: S.E. Kansas Status: Offline Points: 2089 |
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Posted: 18 Dec. 2020 at 3:39pm |
X2 !!! |
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46 CJ-2A #64462 "Ol' Red" (purchased April 1969)
U.S. Coast Guard Chief Petty Officer (ret.) U.S. Army Vietnam veteran and damned proud of it. |
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Jeff_Davis
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Joined: 15 July 2012 Location: Argentina & FL Status: Offline Points: 524 |
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Posted: 27 Dec. 2020 at 12:08pm |
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X3
When you are removing the manifold studs for replacement, be sure to soak them in penetrant for days ahead of when you remove them. They get baked over and over again during the many cycles an engine goes through in its Jeep Life. They get brittle and heat tempered and have about a 50/50 chance of coming out without breaking, in my experience. They like to break off flush with the block which makes them a big job to remove... If they break off with a stub piece that is too short for a stud remover tool, welding a nut on them has some degree success. Fingers crossed. Jeff
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Jeff
1947 Willys CJ2A Las Flores, Provinca de Buenos Aires, Argentina 1951 Willys M38 Flightline jeep (Southeast Florida) 1954 M-100 USMC Trailer 1954 FORD F-100 parts chaser, 292 V8 Y-Block |
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WeeWilly
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Posted: 27 Dec. 2020 at 9:15pm |
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I use anti seize on the replacement studs and all exhaust bolts as well as other fasteners on the jeep. Jim
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47 CJ2A (Ranch Hand) 48 CJ2A, 48 Willys truck, T3C 3782, M274 (Military Mule)
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Sugarloaf
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Joined: 04 Dec. 2017 Location: WA Status: Offline Points: 28 |
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Posted: 13 Jan. 2021 at 7:31pm |
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I thought the exhaust studs needed sealant on them due to being open to the water jacket. I’m getting ready to replace a cracked exhaust manifold and am a big fan on anti seize. But not if they need to be sealed from water.
Can anybody verify the need for sealant on exhaust manifold studs?
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Easy Does It.
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otto
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Joined: 26 Feb. 2012 Location: Orygun Status: Offline Points: 1119 |
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Posted: 13 Jan. 2021 at 10:00pm |
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Yes, on my jeep's engine some of the manifold studs did reach the water jacket.
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47 CJ2A w/fuel injected boat engine
48 CJ2A 64 Ford Econoline Travelwagon Forgive me if I don't return the "jeep wave", I need both hands on the wheel! |
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Jeff_Davis
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Joined: 15 July 2012 Location: Argentina & FL Status: Offline Points: 524 |
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Posted: 13 Jan. 2021 at 11:18pm |
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Permatex #2 is good for studs extending into the water jacket.
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Jeff
1947 Willys CJ2A Las Flores, Provinca de Buenos Aires, Argentina 1951 Willys M38 Flightline jeep (Southeast Florida) 1954 M-100 USMC Trailer 1954 FORD F-100 parts chaser, 292 V8 Y-Block |
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Oldpappy wrote: