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View Full Version : 30 gallons an hour



09-06-2003, 10:25 PM
I just bought an 88 mariah and filled it upand headed to the lake. Was told it would run 47 mph. The speedometer showed the boat to go only 36 (could be off) at 3100 rpms which was the fastest it would go. I could not get it above 3100 rpms and the thing drank gas like I was pumping it out the bildge. Any thoughts?