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- Last Active
- January 2012
the best motor oil for flat tappet cams.this is not spam, I'm just letting the classic car community know that my company makes the best American made 20-50 motor oil fortified with zinc and phosphorous. I'm also letting you know that most modern oils could be potentially danger…
Engine oil Type?modern motor oil could be killing your engine.. since the 1990s the EPA has been rapidly removing an additive called ZDDP from engine oil, this additive created an important barrier of zinc and phosphorous to prevent cam and lifter scuffing. l…