rustystud
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What really gets me angry is "Morons" like this Steve Maas who by his own admission is NOT a mechanical or oil engineer but an electrical engineer will come out and say "This is the way it is because I said so !" even though they have NO knowledge of this subject and people will listen to them !Might have to swap the Rotella T to Rottella T6 next time around.
T6 is not recommended for many engines due to the high phosphate level within the ZDDP.
Still learning here how about you.
more food.
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and a snack
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As a Master ASE Mechanic for over 35 years, who has worked through this whole time of oil change and seen what has happened to the engines I can personally tell you that Zinc is needed in older non roller cam engines. Like that second paper said about all the statements of the GM oil guy. He is coming at this problem from a stand point of older cars being something made 10 years ago! Which most if not all have roller cams . Like I have said time and time again, we are a "fringe" group to the mainstream automotive industry and our needs are of no concern to them !
For those here who just like to argue about what is best I have already given you "facts" about zinc additives and will no longer play this game. It's your engine, do with it as you please. Just don't come crying about your bad cam and expect any sympathy here.