Possible Overheating?

Q

quigley5190

Recruit
Joined
Aug 28, 2010
Messages
1
I have a 1997 Sea Ray Sundancer with twin 4.3 L Mercruiser V6. Both engines at idle run around 150 degrees but when running at about 3400-4000 RPM the temperature is around 170-180 Degrees? Is this normal? If not what could be causing it. I changed the thermostats and water pumps/impellers at the beginning of the year.
 
paultjohnson

paultjohnson

Lieutenant Commander
Joined
Jul 29, 2010
Messages
1,560
Re: Possible Overheating?

Dunno but my 86 4.3 runs a perfect 140 -145 no matter if its at idle, WOT, on muffs or in the lake. With a 143 Deg stat.. FYI
 
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