"I have twin crusader 220. Th
"I have twin crusader 220. The starboard engine comes up to temperature faster than the port engine. It then slowly rises to 240. Within 4 seconds it starts to drop and drops rapidly to 130 and then slowly the cycle repeats. This happens at idle, low rpms, and fast rpms. It does this time and time again. The engine is raw water cooled by sea water. I have replaced the thermostat twice but thing have not changed. The oil is fine with no water in it. Thanks for any thoughts. Don"
"I have twin crusader 220. The starboard engine comes up to temperature faster than the port engine. It then slowly rises to 240. Within 4 seconds it starts to drop and drops rapidly to 130 and then slowly the cycle repeats. This happens at idle, low rpms, and fast rpms. It does this time and time again. The engine is raw water cooled by sea water. I have replaced the thermostat twice but thing have not changed. The oil is fine with no water in it. Thanks for any thoughts. Don"
