Quote:
Originally Posted by ImportConvert
Just a guess, but they are using the lack of an oil-cooler as a breaker switch for other systems on the car, figuring that it will hit limp mode before other things are worn out from track-use/spirited driving. I'm not basing that on anything substantial, just a guess.
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Nissan used to use a trimetal formula in their bearings. They dropped lead (for environmental reasons) and later discovered that you can get excess wear if run for extended periods over 300 dregrees. That's why they use 280 as a cut off.