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secondchance · 03-15-2019

After 35 years of Mobile 1 starting with 84 Z51 Vette 4+3, I am calling it quits and switching to Amsoil Z-Rod 10W-30.
It's interesting to see that Mobil 1 FS and FS X2, both specific to european cars, still contains 1000 and 1100 phosphate and zinc respectively. Could it be OHCs Mobil is concerned over?

03-15-2019	#70
secondchance Join Date: Aug 2006 Location: McLean, VA Posts: 3,723	Re: Amazon engine oil vs the world After 35 years of Mobile 1 starting with 84 Z51 Vette 4+3, I am calling it quits and switching to Amsoil Z-Rod 10W-30. It's interesting to see that Mobil 1 FS and FS X2, both specific to european cars, still contains 1000 and 1100 phosphate and zinc respectively. Could it be OHCs Mobil is concerned over?