Posted by jacks on March 15, 2020 at 12:53:54 from (209.202.224.123):
In Reply to: Valve job posted by Gary Mitchell on March 13, 2020 at 08:27:19:
If you are planning to use the engine at lower engine speeds (typically less than 3000 rpm) you will not get much if any benefit by installing hardened seats. Most old farm tractors can do their work running in the 2000 or less rpm range. If the seats in the block can be cut or ground satisfactorily, they will be fine for lower rpm use as described. Gasoline engines which will see hard service above 3000 rpm should have hardened seats installed. On a diesel engine, as has been mentioned, seats cut too deep into the head will cause hard starting. Here is a link to a field study done by the SAE (society of automotive engineers) and the US department of Agriculture which arrived at the the conclusion stated.
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Today's Featured Article - Show Coverage: Godfrey, Illinois Country Days - by Cindy Ladage. Except for last fourth of July's Old Gold show in Springfield, Illinois, I don't remember when it was so hot. Nevertheless, the heat didn't keep vendors and visitors alike from enjoying the third annual Country Day's Event. Jane Elliott said the event was originally a one man show. "Barry Seiler, owner of Country Town Farm Supply store used to invite people up to the Johne Deere store. He would give hats and a free meal for everyone that brings a tractor." Elliott said while this
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