I have a 290 HTB with a Cmb ect. it is a great boat.I also have run some Bandit boats a 26'' Killer a 30'' and a 34'' 7.5 tunnel. The only one that did not work for me was the 30'' 3.5 not to say some people did very well with it. I still run the 26'' Killer with a K@B 3.5 SS and it runs 45 mph...