25hp on an 18' Tunnel

[Troubass]

Anybody running a 25hp motor on an 18' flat bottom tunnel hull? I just got a good deal on a 2008 18/44 Alweld tunnel with a 50hp Tohatsu. I was thinking about pulling the 50 off and putting it on another boat and putting a 25 on the tunnel hull to fish the Burns.

The 18/44 is light gauge and is only rated for a 25. I'm pretty sure the boat would get on plane good with a 25 but what kind of speed could I get out of it? Right now with the 50 Tohatsu and a 13 pitch prop it runs 34mph with two adults and gear.

As for 25hp motors I was considering a new 2 stroke Evinrude Etec or I also have an old 93 model Nissan that I was thinking of having DHP go through and give it a new life with maybe a little extra umphh.

The 93 Nissan was running 29mph on an old heavy gauge 14/50 Traveller hull (1 adult, no gear).

The two mph readings I gave were from the same Garmin 12 GPS.