11-14-2011, 05:32 PM
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CC Member
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Join Date: Feb 2007
Location: Colorado Springs,
CO
Cobra Make, Engine: Backdraft, supercharged Coyote
Posts: 2,453
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Not Ranked
Multiple studies show excess cylinder wear occurs at temps under 160*. Engineers generally recommend 160* or more to prevent cylinder wear. There is virtually no differance between 160* and 180*.
And, really, I don't expect to get 120,000 miles out of this engine.
Oil temp is another issue, though. It's generally accepted that minimum operating temp is about 180*+. RP says there is no minimum on their oil m- although I'm not sure I believe that. I can get my temps up to 180-190* on a cold day, but I have to work at it. That's why I use a seperate electric oil pump for the cooler.
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.boB "Iron Man"
NASA Rocky Mountain TTU #42
www.RacingtheExocet.com
BDR #1642 - Supercharged Coyote, 6 speed Auto
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