Correct thermostats:

mitch · Post by **mitch** » Sat Mar 24, 2012 12:20 am

Correct thermostats:

Marine engine for use in fresh water, the operating temperature can range between 150Â° F to 190Â° F. For an engine for use in salt water, it is necessary that the temperature be restricted to no higher than 140Â° F since above this temperature salt starts to crystallize and can therefore corrode the interior of the engine.

prowlersfish · Post by **prowlersfish** » Sat Mar 24, 2012 7:16 am

the problems start just above 160 in salt thats why a 140 deg stat is used . the salt and minerals start plug up things above that temp . . Of course salt will start doing damage at any time its in the engine .

antlr-king · Post by **antlr-king** » Sat Mar 24, 2012 7:22 am

and i have been looking for a while for them. the 140's are hard to come by. but 142's are available.

prowlersfish · Post by **prowlersfish** » Sat Mar 24, 2012 7:45 am

142 would be fine ,really anything from 140-145 deg. would be ok

rmatt · Post by **rmatt** » Sat Mar 24, 2012 7:49 am

Above statements are true for raw water cooled engines not jacket water cooled.
Bob

prowlersfish · Post by **prowlersfish** » Sat Mar 24, 2012 12:18 pm

rmatt wrote:Above statements are true for raw water cooled engines not jacket water cooled.
Bob

Correct should have added that but was in a hurry . salt water engine should be kept below 160 , anything above is not good . a 140 stat should keep you below . if not there maybe other issues