Goodmorning guys. I notched my transom on my non step 38' excel. Has anyone ever done this or am I the first to do so

Did you do the work, looks good. Why did you decide to do that?

Yes did it over Christmas break. Reason I notched the transom is bc I'm gonna run shorties so hopefully get fresh water to props and pick up MPH

Share the gain results when you know !

What materials did you use?....combination of wood & glass?...coosa board?...very clean job!

Will do Jeff. I assume I'm gonna have to play w props. All Coras board

A fellow Jonas in Sweden, signature 38KV on OSO ran this 38 KV with twin 598", 2 x 748 hp, and 6 drives.

Topspeed in the mid '80s mph. His notch was almost identical to yours. I would never notch an I/O and even

very few outboards. You pick up a handful mph, but usually the boat starts porpoising since weight distribution

gets moved too far aft in most examples. Notched boats are for rigging wizards. Hope Yours perform though.

Best of luck.


The factory notch on my ex. Swedish race boat. 28 degrees at transom.



Video of my ex. racing:

My boat has ran the best of 78 mph at 5100 rpms with a bravo 1 drive and a set of bravo 28's props. I should have prob had bravo 26's on the boat. The motors made 615 a side with 502's. The boat is also a Kevlar layup as well. We shall see what the difference makes

My sonic has a notched transom and does not porpoise.... but i rarely run it hard so.... maybe that is why...