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  1. D

    Varying temperatures (RWC 5.7 MPI, 2002 Crusader)

    Morning. I'm noticing that on my starboard engine (recently installed 140 thermostat), the inner edge of the manifold that has the water inlet hose attached is roughly 40 degrees cooler than the side that doesn't (150 vs. 200 degrees). It obviously makes sense that the water inlet side would...
  2. D

    How cold is TOO cold for a raw water cooled 5.7?

    Morning. I've been lurking this forum for quite some time and finally registered. I have been told over and over again that running without a thermostat MAY cause premature engine wear, but on our dock, we run our boats on plane probably 25 hours per year, at the most. It would take an eon or...
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