工况下30粘度大。发动机里oil gallery各部件oil 出口尺寸是按工况粘度计算的,粘度变了,有些地方就润滑不足散热不够。现在的车用VVT的很多,粘度变化还要影响发动机的timing。
工况下30粘度大。发动机里oil gallery各部件oil 出口尺寸是按工况粘度计算的,粘度变了,有些地方就润滑不足散热不够。现在的车用VVT的很多,粘度变化还要影响发动机的timing。
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