In the 1930's and thru the 1950's it was (clearly defined procedure)
Come around and I will let you retorque a head and you can see the values change after warmed. I never neglect to clean the threads in the block or the head bolts. I also never neglect to lube the the bolt thread and under the head. I started retorquing heads in the 1950's and still do and get the same results. It was clearly explained to me at an Oliver dealer that this was done before you put the nuts on the valve cover. What might also seem strange to some I was also instructed to set the tappets with the engine running at idle. I have never worked on a car with an aluminum head or read the(clearly defined procedures)for them.
I have helped some that did not retorque a tractor head that lost the head gasket as a result.
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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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