sharkin95
Regular Contributor
"I have 4.3 merc I/O 1995.Runn
"I have 4.3 merc I/O 1995.Running 180-190 under power (3000 rpm) replaced the alpha 1 raw water pump,replaced the sensor, and the gauge.checked with sears laser tool and the hottest point(170)
is at the engine mounted water pump,risers (100)thermostat housing 135-140,I know the problem is lack of water but where?"
"I have 4.3 merc I/O 1995.Running 180-190 under power (3000 rpm) replaced the alpha 1 raw water pump,replaced the sensor, and the gauge.checked with sears laser tool and the hottest point(170)
is at the engine mounted water pump,risers (100)thermostat housing 135-140,I know the problem is lack of water but where?"