Those are the symptoms of a leaking heat exchanger tube in the intake manifold. The one that normally pipes heated pony exhaust to preheat main engine intake air. Got a service bulletin on it here somewhere, I'll try to find it and post.
Hello Foster; that was a common problem on farm cats around here. A quick and temporary fix was to plug the pony exhaust pipe with a cork or something that would seal tight, otherwise you'll dust the main.
Good luck,
Bruce
The SM article is dated June 1, 1954 .. and here's a scan of it ..
[img]http://i33.tinypic.com/1zv8to1.jpg[/img]
Here's the one I was thinking of:
Very interesting article, was this only a problem on U series tractors or did it affect J models as well? next time I get my 4U going I'll check it.
Shovel man.
Very interesting article, was this only a problem on U series tractors or did it affect J models as well? next time I get my 4U going I'll check it.
Shovel man.
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