 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: 402 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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| Wyvern |
Feb 8 2020, 08:46 AM
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Member Group: Members Posts: 324 Joined: 7-October 15 From: San Francisco (East Bay) Member No.: 19,245 Region Association: Northern California |
Perhaps not ... but it sure would never hurt.
The gaskets are press stamped from cold rolled copper. As mentioned put a long file along the mating surfaces so that the 2 ports are level and flush. Use a torch and get them red hot. The difference is significant. |
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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 brant I’ve had brand new ones leak
With annealing Iâ€... Feb 8 2020, 09:50 AM dr914@autoatlanta.com install as is just make sure that the top of the h... Feb 8 2020, 09:53 AM
Olympic 914
install as is just make sure that the top of the ... Feb 8 2020, 10:39 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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