The problem is deciding what degree thermostat to use for salt water. I have been told 140* and also 160*. Finally figured out the right combination of thermostat and added a coolant bypass to the system. Which, come to find out should Thermostat: The Secret to Stopping Your Engine from Overheating!
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This video was uploaded from an Android phone. Symptoms were running normal temps at idle and low engine speeds, raising rpm above 1500 would cause pump to stall and
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You NEVER Replace a thermostat Without Doing THIS. Should you run a 160 degree thermostat in your ls swap? Should you just remove the thermostat altogether? Lets discuss it! How to winterize I/O mercruiser
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How to identify if you're mercruiser 5.0L 230 or 260 is overheated. (subscribers needed) Mercruiser shows three different styles of thermostat for the 87-95 350 5.7 motors. The first two use a 140 degree thermostat and the third uses a 160. Assembling the thermostat and housing unit back on my boat motor. ( With the help of my granddaughter..lol) Thanks for watching!
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