How hot does an exhaust manifold get? Mine is cracked and I just want to do a quick fix until I get - Honda-Tech


How hot does an exhaust manifold get? Mine is cracked and I just want to do a quick fix until I get

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Old 07-18-2007, 10:25 AM   #1
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Default How hot does an exhaust manifold get? Mine is cracked and I just want to do a quick fix until I get

How hot does an exhaust manifold get on 2001 1.7 L LX civic? Mine is cracked and I just want to do a quick fix until I get all the part in. I have a 2001 LX civic and wanted to use Alumiweld to fix it but it's working temperature is 730 degrees F.
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Old 07-18-2007, 10:43 AM   #2
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yah, at times you can almost double that for the gasses going through it. I'm not sure how hot the actual manifold gets, but I'd bet it's more than 750*F.
Permatex makes stuff for exhaust patching, you may want to look into that at your local parts store.
edit: part #26346 is what I'm thinking of .... http://www.amazon.com/Permatex...LBZMG
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Old 07-18-2007, 10:59 AM   #3
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Hey Relic,

Thanks man! Didn't know about the Permatex stuff.
I will use it instead. Thanks again.
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Old 07-18-2007, 11:06 AM   #4
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no problem.
be sure to post how it works.
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Old 07-19-2007, 04:23 AM   #5
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um alot hotter than 750
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Old 07-19-2007, 08:45 AM   #6
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The hottest exhaust temperatures should get, would be around 1400 degrees Fahrenheit.
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Old 07-19-2007, 02:41 PM   #7
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dont waste your time with the exhaust patches, it will not work, i promise you. the exhaust, not to mention the manifold (which gets even hotter), will heat up so much that the patch will just burn in a matter of minutes. plus, on a LX model, the cat sits on the exhaust manifold, so it will get even hotter than a manifold without a cat.

just get yourself an new manifold or header.
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Old 07-19-2007, 02:45 PM   #8
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when i go touge with my crew my headers glow bright orange.. so however hot that it is lol
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