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This is looking into the Thermostat housing.
Engine is 250ci 165 hp L6
The San Juan heat exchanger failed.
see this > http://forums.iboats.com/showthread.php?t=576899&highlight=coolant+replaced
I will have to purchase a new one in the spring, but what can be done to fix this mess?
There is sand...
165hp inline 6 with san juan heat exchanger.
I had noticed my temps slowly getting higher and higher at cruising speed over an extended period of time.
at one point it had reached 190*+.
I replaced the impeller and its housing and my mechanic replaced a seal at the top of the water tube.
Temps...
I currently have a Big ol' Quadra jet 750cfm atop my motor.
I bought it like that.
It has since started to leak around the throttle bushings.
Although it runs o.k. at cruise and partial throttle, WOT causes a bog condition.
I would like to correct this by installing a better suited carb.
I am...
