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Old 04-14-2010, 04:05:22 AM   #1
Aceshigh
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Header leak - how to fix ??

I have an exhaust leak somehow on my passenger side header by the collector.
This is my Rocket 350 BTW.

I've been seeing smoke in my pass side engine bay each time I started the car and let it run for a few minutes. I thought I was leaking oil somewhere because it was white smoke. I bought new valve cover gaskets, and RTV'd it and still see it.

Now today I looked deeper and under the car and it's got an exhaust leak somewhere by the end of the collector. It's blowing exhaust out and into the engine bay. Is there a patch i can buy to rectify this or am I SOL without a welder to seal it??
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Old 04-14-2010, 08:46:45 AM   #2
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Old 04-14-2010, 09:27:50 AM   #3
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JB Weld if it's a small hole?

May want to check your collector gaskets....that is a pretty quick/cheap job if that's all it is.

If you have a piece of hose or pipe and use it as a 'stethoscope' you can narrow the location down.
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Old 04-14-2010, 04:16:34 PM   #4
muscl car
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are you sure it's not a failed/burned out collector gasket ??? .......and if it is the collector it's self that's rusted thru/damaged as long as you know your primary pipe dia you can get a new collector from hooker or hedman and cut the old one off and replace it with the new one


this is available from hooker headers for 1-5/8th headers for $34.00 and is easily fixed by visiting a muffler shop

http://www.summitracing.com/parts/HOK-11515HKR/

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Old 04-14-2010, 05:02:32 PM   #5
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Originally Posted by muscl car
are you sure it's not a failed/burned out collector gasket ???

Not 100% sure, as I'm looking at the leak from the pass side door about 2 feet away.
I have to get the car LIFTED UP on ramps while running to be 100% sure.

But yes, it's about 6-8 inches FORWARD of the collector gaskets.
I just see white smoke billowing out of it, and moving with the wind.

I will try and capture it on video.
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Old 04-14-2010, 07:31:43 PM   #6
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I hate to reccommend this method but if you are cheap and just need to patch it, here's what can be done:


Go to the parts store and look for Muffler Patch compound and buy a couple of extra large 3-5" hose clamps.

You can find some steel sheeting that will wrap around the affected area or if you are super cheap, an old soup can or tin can will do.

Clean and prep the area of the hole with a wire brush and apply the patching compound to the area. Wrap the metal sheet over the patched area and use the pair of hose clamps to cover over the area.
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Old 04-14-2010, 08:07:03 PM   #7
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Header leak

two part epoxy liquid weld from NAPA is good stuff and only $6.
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Old 04-15-2010, 03:30:41 AM   #8
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Quote:
Originally Posted by Kamikaze
I hate to reccommend this method but if you are cheap and just need to patch it, here's what can be done:

My paint, and interior is mint, I could care less about the under chassis appearance.
So yeah, cheap and functional is the goal here. Out of sight out of mind.

I don't want a ghetto campbells soup can on it though......LOL
Thanks for all the suggestions guys. I will try a couple and see what happens.
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Last edited by Aceshigh : 04-15-2010 at 03:33:38 AM.
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Old 04-15-2010, 06:04:05 PM   #9
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Take it to an exhaust shop and have them weld it...done, forget about it.
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