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Joined: Feb 2004
Posts: 63
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Feb 2004
Posts: 63 |
hello everyone,
I had to take off the head of my 216, so before removing the head I took off the intake/exhaust manifold. Once I finish the work on the head I reassembled everything, and installed the manifold with a new gasket. I made sure that the old gasket did not have any shims, (which it didn't), tightened the manifold bolts from the center of the manifold out, but now it leaks air to the point where I can't get the engine to idle well. What should I do? I was told that there are copper gaskets out there that seal better than the fabric/metal one I got at NAPA. Is there manifold gaskets out there that are thicker? what about some type of manifold super goop sealer?
Any help would be appreciated!
P.S. yes, I still enjoy working on the car.
51' steve
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Joined: Dec 2001
Posts: 10,379 Likes: 1
Technical Advisor ChatMaster - 10,000
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Technical Advisor ChatMaster - 10,000
Joined: Dec 2001
Posts: 10,379 Likes: 1 |
Hi Steve, Take a look at this discussion on manifolds. Manifold Fitting Check entry #4 for a tip. 
RAY Chevradioman http://www.vccacolumbiariverregion.org/1925 Superior K Roadster 1928 Convertible, Sport, Cabriolet 1933 Eagle, Coupe 1941 Master Deluxe 5-Passenger Coupe 1950 Styleline Deluxe 4-Door Sedan 1950 Styleline Deluxe Convertible 2002 Pontiac, Montana, Passenger Van 2014 Impala, 4-Door Sedan, White Diamond, LTZ 2017 Silverado, Double Cab, Z71, 4X4, White, Standard Bed, LTZ If you need a shoulder to cry on, pull off to the side of the road. Death is the number 1 killer in the world.
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Joined: Feb 2004
Posts: 63
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Feb 2004
Posts: 63 |
Hello Antique Mechanic,
Before posting my question today, I had done a search in the VCCA website and looked at the posting that you have suggested. But still would like to know if there is a copper gasket, or thicker gasket that I could use.
Thanks!
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Joined: Dec 2001
Posts: 10,379 Likes: 1
Technical Advisor ChatMaster - 10,000
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Technical Advisor ChatMaster - 10,000
Joined: Dec 2001
Posts: 10,379 Likes: 1 |
Hi Steve, I am not aware of anything but the "stock" gasket for your application. I feel that the gasket is not the problem, but the fit of the manifolds/rings to the head. If the exhaust manifold has warped any as a result of overheating then "decking"/"plaining" is a must for a satisfactory fit.
RAY Chevradioman http://www.vccacolumbiariverregion.org/1925 Superior K Roadster 1928 Convertible, Sport, Cabriolet 1933 Eagle, Coupe 1941 Master Deluxe 5-Passenger Coupe 1950 Styleline Deluxe 4-Door Sedan 1950 Styleline Deluxe Convertible 2002 Pontiac, Montana, Passenger Van 2014 Impala, 4-Door Sedan, White Diamond, LTZ 2017 Silverado, Double Cab, Z71, 4X4, White, Standard Bed, LTZ If you need a shoulder to cry on, pull off to the side of the road. Death is the number 1 killer in the world.
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Joined: Aug 2004
Posts: 12
Grease Monkey
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Grease Monkey
Joined: Aug 2004
Posts: 12 |
if you don't want to take the manifold to a machine shop you could try permatex copper coat.. i think thats whats it's called. copper high temp silicone stuff, i used it on a set of fenton exhaust manifolds that wouldn't seal. it worked great and hasn't blown out since i did it over 5 years ago on a 53 235.
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Joined: Feb 2002
Posts: 1,178
ChatMaster - 1,000
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ChatMaster - 1,000
Joined: Feb 2002
Posts: 1,178 |
Chev 53 beat me to it, I have had good luck with the copper coat.
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Joined: Aug 2004
Posts: 2
Grease Monkey
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Grease Monkey
Joined: Aug 2004
Posts: 2 |
did you install the intake to cyl. head pilot sleeves. without these you will have a vacume leake on the intake manifold.
cheapskate 52
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