Parke10

iTrader: (5)

have used mobil non syn for every oil change up until the last one, switched to amsoil full syn and all the sudden the **** is disappearing, never had a prob with amsoil till my truck, guess ill be goin back to non syn mobil.

budhayes3

iTrader: (19)

I run either Mobil1 full syn or Amsoil, but as long as you change your oil regularly, you really can't go wrong with any of the choices that you listed.

KozzyJr

very cool poll, anyways ultramar 15W40 good ol thick oil for all my toys