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    Malibu Boats m5di strange oil pressure issues

    I know this is a boat engine, but the engine is really an L83 Chevy 5.3L marinized by Malibu / Axis boats. The boat is brand new and would idle at 40psi and over 2000rpms would go up to about 60psi all normal. The dealer came out and did the breaking service, where they replace the oil filter...
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