I don't remember the GM make. It could have been a Chevy station wagon or a Pontiac back in circa 1982. The car was probably a about a 1975-77. A grad student did not know which cylinder was misfiring or which bank so I selectively removed each plug wire and replaced it. I told him which bank (left) and which cylinder.
The stamped rocker had slipped off the valve tip and had rounded it at a slant so it would not stay on. It could also have been a bent push rod or loose stud or even stuck valve. He had to pull the head and replace the valve. I did not follow up as to the cause. Up to that time I had never seen an engine that had no rocker arm shaft.
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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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