1 more question is there a simple way to test an engine block for cracks the last time i had the boat out i got water in the oil and i pulled the head hoping it was the gasket but it looked ok so i flipped the motor upside down and filled it up and put 50psi of air on the water side and looked...
i have a 16 foot bowrider with a 120 4 cyl and am thinking of installing a inline 6 cyl 165 (250 ci)and i am wondering if the outdrive gears will have to be changed or will installing a heavier pitch prop be enough
thanx for any advice
