工況下30粘度大。發動機裏oil gallery各部件oil 出口尺寸是按工況粘度計算的,粘度變了,有些地方就潤滑不足散熱不夠。現在的車用VVT的很多,粘度變化還要影響發動機的timing。
工況下30粘度大。發動機裏oil gallery各部件oil 出口尺寸是按工況粘度計算的,粘度變了,有些地方就潤滑不足散熱不夠。現在的車用VVT的很多,粘度變化還要影響發動機的timing。
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