1500 - 3000 Miles. (Honestly though, don't bother with Slick-50.) With
regular oil changes, you don't need any "Mechanic in a Can" Super Lube.
- Bernd
> What is the recommended break in period for an engine (4.7l) prior to adding
> sometype of additive such as Dura Lube or Slick 50?
>
>
>
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