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Boosted S550 oil?

Discussion in 'The Greasy Spoon' started by NightRide, Mar 23, 2018.

  1. NightRide

    NightRide Roll Racer Established Member

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    Have a roush supercharger setup on mine but no mention of changing oil weights. What are you guys using on boosted setups, still 5w20?
     
  2. DarkMach1

    DarkMach1 Well-Known Member Established Member

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    M1 5w30. Not a fan of factory thin oil recommendations for fuel economy on heavily modded cars.
     
  3. NightRide

    NightRide Roll Racer Established Member

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    I used 10w30 amsoil in the shelby with good results. Recommended was 5w50 just seems weird ford would use 5w20 in a boosted coyote. They either want the thinest oil or the thickest. 5w30 would make things easy since that's what my superduty takes.
     
  4. SID297

    SID297 OWNER/ADMIN Staff Member Administrator

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    I prefer a good 40w oil in an application that it likely to see a lot of bearing load.


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  5. UnleashedBeast

    UnleashedBeast Engine Lubrication Guru Established Member

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    The first post from the GT oil thread in my signature tells all.
     

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