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Old 06-13-2013, 04:23 PM   #7
Nomad Willy
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City: Concrete Washington State
Country: USA
Vessel Name: Willy
Vessel Model: Willard Nomad 30'
Join Date: Oct 2007
Posts: 16,244
Two hours .... Ten hours ... Makes no diff. What has it done in the past?

Engine temp is not coolant temp. Many of the major parts of your engine aren't heat soaked when the coolant reaches it's normal stabilized temp. Small air cooled engines will heat soak much faster and 2strokes faster than that. Large lightly loaded engines take much longer. How much? I'm guessing if I say 30 min to an hour but that's all I can do.

Exhaust valves and piston crowns will heat soak much faster than oil pumps and crankshafts. Speaking of oil that is probably the best gauge of when an engine is heat soaked but some parts still aren't heat soaked yet.

My engine attains a temp gauge reading of 185 degrees after only a few (3 or 4 min) of running at an idle.

North Western Washington State USA
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