I HAVE A OLD 19' GRADY CUDDY AND NEED SOME THOUGHTS ON AN ENGINE. I HAVE A FRIEND WITH A 1990 JOHNSON GT 100HP. PERSONAL FRIEND SO I KNOW THE BOAT NEVER SAW SALT WATER. POWER TRIM & TILT, CONTROLS AND OIL INJ. FAIR PRICE AND SHOULD IT PUSH THE BOAT ABOUT THE SAME AS THE 1988 125HP FORCE THAT WAS ON THE GRADY. THANKS FOR ANY HELP.