hole in exhaust manifold for heating carb

M. Doud · Sep 17, 2014

Hi All

In another thread below someone mentioned there is a small hole in the manifold that heats the carb to keep it from freezing. Does anyone know where that hole is on a super c/200 manifold? I suspect mine is plugged with paint and/or rust and might be why I have freeze-ups in the winter.

Any help appreciated.

Thanks!

Owen Aaland · Sep 17, 2014

The holes are only in manifolds used on earlier engines such as the H or M tractors. They also serve to allow water to drain out of the manifold.

Hendrik · Sep 17, 2014

My Super A is equipped with a distillate manifold. In the square box (approx. 5 by 5 inches) in which the heat regulation valve resides are two small holes, just 2 inches forward of the flange to which the carb mounts.
HTH, Hendrik

hole in exhaust manifold for heating carb

M. Doud

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Owen Aaland

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Hendrik

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