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chris found the problem.the napa gold 1515 long oil filter base round holes that get close to the inside of the oil pump is alot closer than the shorty 1068 and m.p.4452890 which i have used on this motor for twenty-three years.8/32's verses 9/32's.the bypass rubber from the filter was all in the threads when i took the long one off!restricting the flow hopefully did not hurt it too bad,pray to god the only time ever used the long one since i put manual box in go figure-wifes birthday=mad i'm working on motor



good heads up Pete, what made you think of looking there?