1985 js 440... help
 

hey to all i have a js 440 with a 650 motor thats worked super hard,i want to no if i will get more bottom end if i try to cut some of the water to the water box. it has after market water outlets on it so im not killing the cooling system, lol just seeing if n e one nows how to get a little more out of it.

thanks..... gear