I have the 3.7l w alpha 1 out drive. I believe WOT for that engine should be about 4400 rpm. As for the fin, I found that the boat gets up on plane easier with the fin. I changed out drives last year and the new one did not have the fin. This year I'm putting the fin back on.
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Formerly - 89 cuddy 165hp I/O and 95 V21 / 150 Honda
When the people fear their government, there is tyranny; when the government fears the people, there is liberty. - Thomas Jefferson
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