Quote:
Originally Posted by steplift20
What I'm going to do first is take out the thermostats then run thr motor, if it has a water stream then I know it's the thermostats not the impeller , what do you guys think about that?
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Along with running the engine, since you have the stats out already, now would be a good time to test them. Put them in a pot of water on the stove. When they open take them out and while they are still hot place a long piece of string in the area where they opened. As they cool they will close and capture the string and hold it tight. Now take a candy thermometer and put it in the water (after it's cooled), then put the t stats back in the water, holding them by the strings so they don't touch the bottom, and turn on the heat again. When the water gets hot and they start to open they will fall to the bottom. Read the thermometer at that instant for an accurate reading of when they are opening and compare that to when they are supposed to open.
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1987 V20 w/1987 150HP Yamaha on a Shoreland'r Trailer
1978 16.5 Airslot w/1996 120HP Force on a Four Winns trailer
1996 V21 w/1993 200HP Mercury on a Shoreline Trailer
All towed by a 5.7L Hemi Durango.
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