im running a 06 crestliner cmv 1850 w 06 suzuki df140.getting 6000 rpm 40 mph gps and alot of slip.want to upgrade to a ss prop.current prop is a johnson 14x 21 aluminum.im getting no bow lift and have to trim the motor as high as it will go to get these #s.anyone use a johnson viper or raker on this motor.any suggestions welcome . top speed is my only concern the boat jumps on plane almost instantly.thanks ron