 Exhaust manifold gasket, Do they need to be annealed when new? |
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| HansJan |
 Feb 8 2020, 12:08 AM
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Member  Group: Members Posts: 393 Joined: 5-April 16 From: Sugar Land TX Member No.: 19,860 Region Association: Southwest Region 
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Car didn’t pass inspection because of an exhaust leak.
So... Just ordered some manifold gaskets from Pelican Parts. Question is. Is this copper soft out of the box, or does it need to be annealed before install? Thanks for sharing your experiences. |
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| dr914@autoatlanta.com |
Feb 8 2020, 09:53 AM
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914 Guru Group: Members Posts: 7,806 Joined: 3-January 07 From: atlanta georgia Member No.: 7,418 Region Association: None |
install as is just make sure that the top of the heat exchanger flanges are perfectly smooth, dress them together at the same time with a flat file. You can put them up there with a bit of copper paste to hold them in and then torque in an x pattern mating one heat exchanger at a time. Make sure that the muffler bracket is firmly attached
QUOTE(HansJan @ Feb 7 2020, 11:08 PM)  Car didn’t pass inspection because of an exhaust leak. So... Just ordered some manifold gaskets from Pelican Parts. Question is. Is this copper soft out of the box, or does it need to be annealed before install? Thanks for sharing your experiences. |
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| Olympic 914 |
Feb 8 2020, 10:39 AM
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#3
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Group: Members Posts: 1,660 Joined: 7-July 11 From: Pittsburgh PA Member No.: 13,287 Region Association: North East States
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QUOTE(dr914@autoatlanta.com @ Feb 8 2020, 10:53 AM) install as is just make sure that the top of the heat exchanger flanges are perfectly smooth, dress them together at the same time with a flat file. You can put them up there with a bit of copper paste to hold them in and then torque in an x pattern mating one heat exchanger at a time. Make sure that the muffler bracket is firmly attached Different technique, I prefer to attach the muffler bracket finger tight. then tighten the HEs to the head. this allows the other end of the HE to find its own place with the muffler and muffler bracket. JMHO. |
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Posts in this topic
HansJan Exhaust manifold gasket Feb 8 2020, 12:08 AM
PlaysWithCars I've never had to do any prep to the gaskets. ... Feb 8 2020, 12:27 AM Mikey914 I do and haven’t had an issue. Feb 8 2020, 12:51 AM Wyvern Perhaps not ... but it sure would never hurt.
The ... Feb 8 2020, 08:46 AM brant I’ve had brand new ones leak
With annealing Iâ€... Feb 8 2020, 09:50 AM HansJan Sorry. There are no HE’s, just some pipes.
But ... Feb 8 2020, 11:53 AM HansJan Did anneal the gaskets.
It makes a huge differenc... Feb 13 2020, 07:32 PM TheCabinetmaker Helicoil won't hold. You need a timecert. Inst... Feb 14 2020, 08:52 AM
Mark Henry
Helicoil won't hold. You need a timecert. Ins... Feb 14 2020, 09:49 AM GregAmy Such an asy question...and dueling opinions.
I ca... Feb 23 2020, 04:49 PM |
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