Trojan Boat Forum

A caution... When an engine has been Raw Water cooled for a while, the coolant chambers end up coated with rust. This layer of rust, unless removed during an acid bath of the block and heads during a rebuild, acts as "insulation", and a barrier to heat from the engine being transferred to ...

Agreed! Your RPM at WOT with a normal load should be 4400 - 4600 with those engines. One inch of pitch change will change engine RPM by about 200 RPM.. Less pitch = more Engine RPM . The torque curve peaks about 3100- 3200 and that is the most efficient RPM properly loaded. The internal engine wear ...

VENT DIRECTION.. The reason Trojan (and others) face the intakes of the FWD vents to the stern, and the AFT vents are facing forward, is because the natural airflow inside these boats is FORWARD. ("Station Wagon Effect" ) The FWD vents are placed at the widest point on the hull (air EXIT) ...