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noquacks 09-22-2011 04:52 PM

How hot can a manifold get?
I heard 1200 deg F. Also heard 1500 deg F. Both cant be right. Web search was not very believeable, so I figured ask the members here if anybody ever really found this out. Oh, I meant to say engine exhaust manifold.

I guess between 1200 and 1400(?)

Thanks, people.

(door spring project not dead yet......)

TrapperL 09-22-2011 06:28 PM

You didn't say diesel or gas. Gas will peak around 1200F. Diesel around 1500F. Anything hotter and the internals of the engine start coming apart.

Thurman 09-22-2011 07:06 PM

Those numbers sound good to me, but in the world of drag or stock car racing I have seen really good headers glow orange for about six inches from the head of the motor. That is really hot.

noquacks 09-23-2011 02:13 PM

Sory, trapper, yes, its gasolinre. Good to know peak is at 1200.

Glowing red hot?? Yikes- thats probably near to melting point (1900 deg F, or so). Eh?
One can make Japanese swords with a manifold, then.......


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