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CamGuard
Thanks again Steve for the important point about aviation products. I hope that is why ASL CamGuard has both Aviation, Automotive, Marine and Small Engine products.
Still hoping I am doing the right thing with BP 20-50. Bought the car used (88 - 105K miles) with records showing a long history of Mobil 1 15-50w. Seen some evidence in this thread that it has elevated levels of ZDDP (1300-1400) but I can't find current levels on Mobil's website. That and the fact that this thread would warn that levels often change rapidly from published values caused me the concern.
Perhaps it is not worth worrying about the past, but I can't help it.
Bob
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