Quote:
Originally Posted by Tokay444
Or 50.
I run M1 0w40, for both street and track. It's one of the last oils in their lineup that's still PAO base stock and UOAs show it's worth well more than the $30/5L (Canadian) I pay at Walmart for it.
I don't let EPA required fuel economy number dictate how I protect my motor.
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The specs that an oil meets are more important than the base stocks that are used. These days Mobil 1 uses GTL base stocks in the 0W40.
https://bobistheoilguy.com/forums/ub...containing_GTL