I/O RPM'S
HEY I/O GUYS, I HAVE A 84 MERCRUISER 470, AND SHE IS OLD AND HAS HER PROBLEMS. I USUALLY RUN HER AROUND 3500 RPM AT CRUISING SPEED. MAINLY BECAUSE I AM AFRAID TO RUN HER ANY FASTER AND BLOW HER TOP :-/ IF ANYONE ON THE BOARD HAS THIS MOTOR, WHAT SPEED (RPMS) DO YOU CRUISE AT? I WOULD LIKE TO GET HER RUNNING FASTER, I AM JUST AFRAID I AM GOING TO RUIN HER. :'(
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 CY 1984 V20 STEP LIFT I/O 470 MERCRUISER Wheeling, WV
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