New EDL headed 466, 9.6 comp.,Comp.EX.278H cam 234 deg. int. 244 deg. ex. Meziere water pump, Alum. rad.with two 7/8" pass,18" spall fan with shroud, EMP Stewart hi flow 160 deg. thermo. This thing wants to run at about 200 deg. and higher in 80 deg. weather...Would like to get it down to 180-190.One friend says 50/50 coolant is better and another friend says water and " water weter " works best. Just running straight water now. Any feedback?