I have a 1988 125 HP engine with a possible cracked block. I found a 1995 120 HP bare block. Has any one tried to switch the guts (crank, rods, bearings, seals etc) from a small bore 3.312 (1988 125 HP) cylinder block to a big bore (1995 120 HP) 3.375 block? Other than the piston diameter...