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Repair of a cracked intake manifold.

Old 03-13-2002, 04:47 PM
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Default Repair of a cracked intake manifold.

Anybody try to fix a cracked intake manifold? I have a LS6 manifold that the vacum fitting on the back got pushed into the manifold, cracking the mounting area around the fitting. I was thinking I could fix this with some epoxy and maybe some material off of my old LS1 manifold. Am I way off base here ?

Mark
Old 03-13-2002, 05:02 PM
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Default Re: Repair of a cracked intake manifold.

Sorry to hear that Mark.. Just was curious if you sent that resume out to my friend. He asked me if I knew someone interested in a IT job and I asked him if he rec'd your resume and he said no... Drop me a email if you lost his email address. They have immediate openings..
Old 03-13-2002, 05:12 PM
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Default Re: Repair of a cracked intake manifold.

Luckily its not the manifold I have on the car now <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" /> It s another one that I have. And yes I did loose the e-mail address. Thanks for reminding me. I'll shoot you an e-mail.

Mark
Old 03-13-2002, 05:22 PM
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Default Re: Repair of a cracked intake manifold.

That is great it is not the one on the car. I sent you his email address.. Good Luck Mark..
Old 03-13-2002, 06:11 PM
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Default Re: Repair of a cracked intake manifold.

My LS6 intake is an early test model, had a hole in back. We used JB Weld, two coats... It's fine.
Old 03-13-2002, 07:59 PM
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Default Re: Repair of a cracked intake manifold.

10-4 on the jb weld. the stuff is great for little oddball stuff like that ! ! <img border="0" alt="[Fluffy]" title="" src="graemlins/fluffy.gif" />
Old 03-13-2002, 08:45 PM
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Default Re: Repair of a cracked intake manifold.

Thanks, I'll give that a try. I'm thinking of cutting the back out of my old LS1 manifold and using the JB weld to "glue" the piece into the Ls6 manifold. I would just build up the JB weld, but I'm not sure I could get it shaped exactly right to seal the vacuum fitting.
Old 03-15-2002, 06:27 PM
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Default Re: Repair of a cracked intake manifold.

Mark find a shop that does plastic welding. The could graft the piece onto the manifold and you wouldn't notice it.

Good luck. <img border="0" alt="[cheers]" title="" src="graemlins/gr_cheers.gif" />
Old 03-15-2002, 07:50 PM
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Default Re: Repair of a cracked intake manifold.

Thanks, I'll look around to see if I can find somewhere local. Then I can put the repaired one on my car and sell the good one. Maybe then I can afford some new slicks so I can run again <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />

Mark
Old 11-05-2004, 11:12 PM
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i got crazy porting on the TB portion of my ls6 intake and went thru on the upper drivers side corner. can i do the same as he did on the back with JB weld?
Old 11-05-2004, 11:47 PM
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you should be able to. just do it like they said, 2 coats and you should be fine.


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