Quote Originally Posted by SidCoronel View Post
... and not all cars are designed for Iridium and Platinum spark plugs!

... that essentially is why the word "some" is in the sentence ...

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Quote Originally Posted by dr. d View Post
and yes, keep the oil for future use. bring them for the next pms. you can even mix it with other similar-use oils.

... it's not such a good idea to mix oils of different brands and viscosity ...