Why would a manifold be getting hot

10

Asked by Feb 04, 2016 at 06:49 PM about the 1971 Chevrolet C10

Question type: Maintenance & Repair

Manifold getting hot

14 Answers

37,965

What manifold? Intake or exhaust? They both get hot but the exhaust is a lot hotter...

Best Answer
34,895

How hot is hot? If the intake has an exhaust cross over it could get quite hot if the diverter is stuck.

10

Exhaust.it turns red.I put a fuel regulator on it & pressure guage.it still does it help

34,895

Timing could be off or the engine running to rich.

10

Wht do i need to do if the engine running to rich

34,895

Adjust or re-jet the carburetor.

10

I'm about to get the carburetor rebuilt this weekend.so will that hlp.what if tht doesn't wrk.

34,895

It may help. Is only one exhaust manifold getting red hot?

10

Yes or do i jus need to tell Them to adjust or re jet the carburetor

34,895

Check your sparkplugs to see if they are black and sooty. Tell the guy who is rebuilding the carb that it is running rich in case he needs to re jet it.

19,725

strange that a stock exhaust manifold would turn red- very odd indeed- does the engine run right? do you have burned exhaust valves? is the exhaust system clogged? what?!

10

If the plugs are black & sooty does tht mean he needs to re jet it.engine does not run hot exhaust has been checked & jus put on a year ago

34,895

If only one manifold is getting red hot it could be a stuck diverter for the intake manifold.

10

Ok I'll let thm knw about the diverter

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