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    Thermostat housing Help!

    I have a new style Thermostat housing for my 1981 V8 260 Mercruiser. Questions are: 1) the Brass retainer ring for the thermestat..does that just sit ontop of the thermostat or does it need to be pressed down...IE have have the thermestat pressed into it? 2) the plastic check valves in the T...
  2. R

    Mercruiser OVERHEATING...Help!?

    Hello, Got a 1981 260 V8 Mercruiser that is overheating bad... Engine has: New center riser exhaust manifolds Brand new Thermostat housing Brand new Thermostat Brand New water impeller Brand New Temp Sender Brand New temp Gauge Checked: ALL hoses are not blocked Getting good water flow...
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