Manifold Condensation

redgems · Nov 27, 2010

Hi Fellas, I have f-400 gas with a 450 three rib manifold. Having tremendous amount of condensation on carberator updraft. Water forms outside of updraft and runs down carb and drips. there are two little drain holes on lower inside two exhaust manifold ,wondering if heat escaping from these hitting carb is causing this problem and wonder if plugging them would help.tractor runs fine but water is discoloring & rusting outside of carberater. Thanks for suggestion, Tony

Ohiohillbilly · Nov 27, 2010

That's normal. My 400 will get frost on it sometimes. Clean it up and paint it, that will stop the rust streaks.

D Slater · Nov 27, 2010

Thats kind of normal in some climates this time of year. If you always park inside or cover the exhaust it won't hurt to plug the drain holes in the manifold. IH sold a block to clamp on 400 pre 3 rim manifolds for more heat transfer to intake for use in some climates to help with ice forming in and on the intake.

Manifold Condensation

redgems

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Ohiohillbilly

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D Slater

Well-known Member