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What coolant and oil
temps should I be looking for in the climb and at cruise?
What temps are
considered red-line / never exceed?
The oil limit is pretty well established.
According to most sources, 210 F is the never exceed limit for oil temp,
measured as it enters the engine from the coolers. Having said that, I ran
as high as 240 F in earlier tests, before I knew better. My engine has the
good o-rings, which adds some cushion, but I figure I've used a few of my 9
lives already :-)
Water should be kept safely below the boiling point,
which will vary with pressure and coolant percentage. I can't recall the
number, but I believe Lynn once stated that you start losing some power above
180 degrees.
Cheers,
Rusty (I need a better prop)
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