Thread: P337 Question
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Unread 06-05-17, 12:32 AM
jcskydriver jcskydriver is offline
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High rear oil temp

Quote:
Originally Posted by stackj View Post
I have them and, in my case the engine isn't running any cooler. You have to consider, though, that I also added the air conditioner at the same time. I think that significantly reduced the airflow through the intake scoop. (The air conditioner condenser coil is located in the scoop.)

My typical parameters:

CHT: Front 260 deg f - Rear 320 deg f
Oil Temp: Front 175 deg f - Rear 220 deg f
Oil Press: Front 55 PSI - Rear 35 PSI
I just bought a P337 and it has the intercoolers, I understand that the rear will always run hotter, 175 to 180 F for the front but for the rear its up to 200 to 220F just below the red line but still in the green, is this still too high? I am wondering if I should take the rear oil cooler off and have it cleaned and also have the Vernatherm Valve replaced? Engine has 500hrs on it and sat for a period of time, but not sure if there is sludge in there? I climb at 110-120knots for cooling but still seems high? Maybe the gauge? Thanks John
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