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  1. E

    BMW 328i 1999 w/ Elf 5-30W

    Should I care that Iron and Copper levels are above average?
  2. E

    Mobile 1 EP 15W-50 VS. Pennzoil Platinum 15W-50

    In a performance application on a Chevy 383 what oil would be better?Mobil 1 Extended Performance 15W-50 or Pennzoil Platinum 15W-50. The car does not see a lot of miles but is driven hard and sees some good revs.
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    OCI based on months in car?

    I have read in different places that you change you oil based on a certain amount of miles or months. Whatever comes first. The milage part I understand, but not the months. The reason I ask is my weekend car does not even see a thousand miles in a year. What happens to low milage oil after year...
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    Where to buy Amsoil?

    Where is everyone buying Amsoil at? Is there a retail chain that supplies it? I really would want to pay the shipping on a case of oil.
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