I have a 2004 250 VMAX HPDI on a Legend 211 . This week I was up north on a lake that was smooth so I pushed the pedal to the floor . I was maxed out at a speed of 68mph But my tach was only reading 5400rpm. I also noted that when at idle speed my tach is at 600rpm.
Do these readings sound normal ? If so why can't I tach over 6000rpm's. I'm going to check my hot foot to see if it is adjusted correctly but other than that what can I do to get more rpm for more mpg's.
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Groma