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57_300SL 57_300SL is offline
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Join Date: Jan 2007
Location: Virginia
Posts: 56
Yes I know about the decrease in zinc. The multi grade Red Line is compliant with SM but I am not specifically aware of the zinc + P levels as posted by the manufacturer (I will get that information and post it here) However, according to Charles' chart at LM Engineering the zinc level is 1004 and the p level is 924. In his notes he even stated "Redline oil also tested low for Zn and P in their newer SM formulation; according to Redline, it should be 1400 ppm Zn and 1200 ppm P." Again more questions then answers. I will also find out the temp ranges and post them as well.
Old 10-03-2007, 12:05 PM
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