Posted by 420C+VANBRUNT on November 07, 2022 at 05:38:59 from (199.4.255.221):
Am repairing a 420 C engine! Former owner ran with zero oil pressure and took out bearings on crank. Crank has been polished and still measures standard!!!! Pistons in engine were .040 oversize not .045 sold by J D. Question is did these foreign pistons cause failure? What is proper deck height so compression ratio is not too high? Are J D pistons made with flat top? (again affecting compression) Former owner bought crawler thar had been recently overhauled and I do not know history or where pistons came from. Any advice or comments appreciated
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Today's Featured Article - A Brief History of Tractors in Australia - by Bob Kavanagh. After Captain Cook's exploration of the east coast in 1770 the British Government decided to establish a penal colony in Australia. The first fleet arrived in 1788 and consisted mainly of convicts who were poorly equipped and new little of farming techniques. The colony remained far from self-supporting and it was not until the early 1800's that things started to improve. Free settlers started to arrive, they followed the explorers across the mountains and where land was suitable set up farms. T
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