"James" wrote in message
. net...
I have to question your tach. I can't imagine that boat making 55mph with
any kind of prop at 3000 rpm and a v6. Check the back of your tach and see
if it has an 4-6-8 switch. If so it should be on 6.


I thought of that as well, and it's a definite possibility. However, while
the tach is possibly suspect, the speedo certainly deserves an equal amount
of doubt. It could be that the tach was correct and the boat wasn't making
anywhere near the indicated 55 mph. Either way, I agree that 3000 RPM and
55 mph don't add. Of course, neither one of these possible problems are
anywhere near his biggest issue now.