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Old 09-29-2001, 04:26 PM
Posts: n/a
Manufacturers put additives in their oil to make it behave a certain way. There are cases of some aftermarket additives inhibiting the properties of the original oil to do the intended job of the original refiner.

Sort of like mixing incompatible paint products.

I use Mobil 1 only nowdays. It works just fine.
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