overheating 5.7L omc Cobra

dawg422

Recruit
Joined
Jun 9, 2003
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1
I have a 5.7L omc Cobra on a 2850 bayliner trophy. When I am at idoling speed (under 5mph) the engine overheats but returns to normal once you power up. I changed the impeller w/o sucess.
 
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