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 - An AC Model M Crawler - by Anthony West. Neil Atkins is a man in his late thirties, a mild and patient character who talks fondly of his farming heritage. He farms around a hundred and fifty acres of arable land, in a village called Southam, located just outside Leamington Spa in Warwickshire. The soil is a rich dark brown and is well looked after. unlike some areas in the midlands it is also fairly flat, broken only by hedgerows and the occasional valley and brook. A copse of wildbreaking silver birch and oak trees surround the top si
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