Anyone sharpen the bottom area of the outboard?

[Vortech C5]

About midway down the prop the "rudder" section of the outboard starts. Has anyone sharpened this area to see if it makes a difference?

Thanks,
Ray

[D for Dummy]

I will be carefully sharpening my Stiletto 29 outboard skeg and also truing both sponsons of the hull. I expect more stability with the hull and less drag on the outboard. Combined, I anticipate better top speed performance and handling.

[D for Dummy]

Boat ran amazing in glass calm pond. Improved handling due to the hull. Later ran in the chop on the big lake. I'm very happy with the result.

[Proboat]

I am planning to blue print the bottom of mine. Did it make it any faster? I have read that you need to scuff bottom after you have sanded, applied fiberglass putty, sanded, primed then painted. What do you use to scuff the bottom?