Exhaust manifold temp.

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Model T Ford Forum: Forum 2014: Exhaust manifold temp.
Top of pagePrevious messageNext messageBottom of page Link to this message  By Michael sharkey on Sunday, May 25, 2014 - 12:15 am:

Does anybody know roughly how hot the exhaust manifold gets. I have a can of engine enamel that is good for 2000 degrees and wanted to know if it's ok to use on it.

Thanks
Mike Sharkey


Top of pagePrevious messageNext messageBottom of page Link to this message  By John P Noonan on Sunday, May 25, 2014 - 12:22 am:

Mike, your manifolds will never get anywhere close to that temp, you're good to go.


Top of pagePrevious messageNext messageBottom of page Link to this message  By John P Noonan on Sunday, May 25, 2014 - 12:26 am:

But as a suggestion, they do make many paints and coatings especially made for exhaust manifolds..something to consider.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Ken Kopsky, Lytle TX on Sunday, May 25, 2014 - 12:31 am:

Depends on how bad your engine is running but 2000 degree paint will probably stay on as long as the color doesn't approach yellow. :-) These types of paint usually contain a ceramic powder that needs to be independently cured as well as burning off the carrier. Simply spraying the coating and running the engine normally doesn't work. Also, the base metal needs to spotlessly clean. Spraying the paint over rust will cause it to flake off.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Jim Thode Chehalis Washington on Sunday, May 25, 2014 - 12:39 am:

I would guess that 1200 to 1300 would be about the max for a manifold.

Here is a color/temperature chart:


Top of pagePrevious messageNext messageBottom of page Link to this message  By Bob Shirley on Sunday, May 25, 2014 - 01:41 am:

Growing up in the '60's and driving a T, I often found myself without a lighter. It was pretty common for me to pull to the side of the road, full retard the spark and light a cigarette off the manifold. I gave up smoking in the '70's but still have that lighter in a shed in the back. I don't recommend it, but retard the spark at night and you can see the beating the manifold takes.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Michael sharkey on Sunday, May 25, 2014 - 10:31 pm:

Thanks.
Mike s.


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