Well sounds like I might be close to where I should be I suppose. Mine has a mercruiser drive and a aluminium prop. Do the duo prop drives have a higher top speed than the old mercruisers? Not sure what my speed is at 3000 but at 3500 I was in the low 30s. I'm sure I could possibly get a little more by going to a better quality stainless prop. Don't want to seem like I'm only wanting top speed I just want to make sure I'm in the ball park if I'm seeing high 30s for a top speed when I'm fairly loaded. Thanks for the imput. What are the performance differences between the duo prop drives and jut the standard drives?
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