Michael I'm fairly sure a stuck thermostat and possibly an air leak in the raw water line caused the overheat. We didn't overheat on our way out for the day, but on our way back. All we did was ride out to a spot, anchor, and then ride back a few hours later. Thermostat pic attached for reference. I pulled and twisted on the crunchy grungy thermostat before putting it in a pot of hot water, because I'm fidgety I guess and couldn't leave well enough alone. The thermostat operated correctly (began opening about 145*) in the pot, but who is to say it would have before i messed with it. The impeller and raw water pump are in good shape.The hose ends on the raw water pump inlet and trans cooler inlet were in rough shape so I cut them off clean and got a much better seal. I didn't realize how bad they were. I will do a compression check tonight after work with fingers crossed.
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