M1 and a Purolator PureOne filter.
ETA: had a 1995 Camaro Z28 at the time. It was ran pretty hard but when taken apart the cylinder walls and bearing surfaces looked pristine at over 100k miles.
ETA: had a 1995 Camaro Z28 at the time. It was ran pretty hard but when taken apart the cylinder walls and bearing surfaces looked pristine at over 100k miles.
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