by Trevor
(Williams lake bc )
1980 140 omc over heating at any Rpm over 3000 other wise sits at 140, I've replaced water pump impeller and housing and reseated Iam getting a huge amount of water from leg in the lake probably 12 inch gizer at 2000 rpm I have puller apart and re sealed all exhaust elbows and they all look amazing hardly any rust replaced thermostat as well with 140 f still no fix every thing is cold except the water pump on motor and thermostat housing everything else is Luke warm Iam pointing toward circulating pump but Iam lost !!!!