Your oil of choice...

[ScottyBoy]

I been using the Amsoil XL.

 

[canuckz71]

Castrol or Mobil 1 with Fram filter.

 

[PenguinLTZ]

Valvoline Synthetic

 

[07FX4Chick]

I have converted from Mobile 1 to Amsoil on both trucks.

 

[buRRp]

Mobile with a fram filter for the burb.

 

[thunderstruck]

Need to be able to select more than one choice. Pennzoil Platinum and AMSOIL here.

 

[Ricky Bobby FX4]

castrol syntec fully synthetic. It might be called castrol edge now

 

[Bernie]

None of the above... Rotella 15-40 in the diesel.

 

[OldCracker29]

I've been running Amsoil OE and a Wix filter. I used to be a diehard Valvoline Synthetic and a Purolator filter user.

 

[mrolgren]

Nick converted me to an Amsoil user and I'm loving it!