>I am getting even less lifter noise on my '87 4kcsq >(150,000+) than I was with Mobil 1. That's exactly how it should be, for the life of me I don't understand why some of our guys report the opposite?????!!!!! grin,grin, laugh, Avi meron 86 5Kcstq I am not always the devil advocate but never one to miss an opportunity