When I hunted ducks and gators, I had a 20 X 36 tunnel hull with a 40 Merc.
It ran good, got on plane good, but my friends dad had an 18 X 42 with the same engine that was just a little faster. We figured it was the extra width that gave him the extra speed.
I got on plane just as good, he just had a higher top end speed.
We both ran Welcrafts bought from the same dealer who put in the same tunnels and the same engine with the same prop.
Only difference was the width and length.
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