Mercruiser operating temp.

scutly

scutly

Petty Officer 1st Class
Joined
Aug 20, 2009
Messages
368
Re: Mercruiser operating temp.

she should have a 160* t-stat. 160-170* would be normal temp. if its blistering hot out maybe 175* id be concerned if she goes over 180*
 
mkast

mkast

Lieutenant Commander
Joined
Nov 6, 2002
Messages
1,934
Re: Mercruiser operating temp.

What degree thermostat is in the engine?
 
paultjohnson

paultjohnson

Lieutenant Commander
Joined
Jul 29, 2010
Messages
1,560
Re: Mercruiser operating temp.

scutly said:
she should have a 160* t-stat. 160-170* would be normal temp. if its blistering hot out maybe 175* id be concerned if she goes over 180*
Click to expand...
Easy Cowboy!!! Depends on the year I guess... My 86 4.3 calls for a 143 stat..my temp gauge is always within 5 deg of that. Doesnt matter what speed i am runnin, or what the water temp is FYI
Edit just reread your post you said 4.3 i idk:confused::p:D
 
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