i am lookin at a blazer by my house for sale its a 210 with a 225 promax on it its an o4. what kind of speeds should this boat be running. the guy whos selling it told me he gets like 75 or 76 but i dont know if hes got it set up right hes got a 26 fourblade i think its a trophy on it. what do u guys think? and if i buy it i would like to get some more out of it