Wellcraft Boat Owners Forum

hi i have a 1989 gran sport with crusader raw water cooled 454s i have a 10 foot trail of steam from my port engine and a 5 foot trail from my starboard at 1100 rpm my port engine also heats my hot water tank both engines run at 142 deg my oil is clean both engines run great at WOT i have about the same steam but engine temp.s go up about 10 deg.each when i slow down it drops right back to 142 deg At 1100 rpm i can keep my hand in the starboard manifold & riser the port engine i can only keep my hand on for 5 seconds the river water is 75 degrees earlier in the season it was in the high 50s and i seen very little steam thanks