Posted by dboll on December 28, 2011 at 17:27:30 from (64.61.211.97):
In Reply to: Case 730 Diesel posted by RBiela on December 28, 2011 at 09:50:00:
any possibility the piston is hitting the valve at tdc due to improper machining from the factory? Case's machine tools were well worn by the time the 70 series came out making it difficult to turn out quality work. And of course the 30 series were right before that. Many 504 cranks have the thrusts worn because the bores were not quite square to the deck. One would think the valve would break first but I've seen stranger things happen. Just throwing something out there to consider. We always used either and never had a problem. Are these original cast pistons or aftermarket aluminums?
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Today's Featured Article - Listening to Your Tractor - by Curtis Von Fange. Years ago there was a TV show about a talking car. Unless you are from another planet, physically or otherwise, I don’t think our internal combustion buddies will talk and tell us their problems. But, on the other hand, there is a secret language that our mechanical companions readily do speak. It is an interesting form of communication that involves all the senses of the listener. In this series we are going to investigate and learn the basic rudimentary skills of understanding this lingo.
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