Okay, I know this has been posted many times before but I'd like to see it again, get everyones opinion. Its time for me to change my oil again, this time it's not under warranty so I figure I'll try something besides the AC oil and filter. What is everybody using and in what quad?
I'm sitting on top of a Y2K Auto.

 

I use the cat filter, only because I havent found a aftermarket one. Texaco Havalin 10-40 motor oil.

 

STP #SMO-18 FILTER AND SYNTHETIC OIL 10W-40

 

Valvoline 10W-30 with Cat filter....1300 miles and no problems yet on 99 300 4X4

maxandblade@hotmail.com

 

Fram filter and Castrol 10W-40. I am using Synthetic in the Diffs.

Cheers Jim

 

Castral 10W-40, Cat filter, 2,300 miles with no problems. 98 300 4X4.

 

I use the fram filter and Castrol 20W-50 synthetic 4X4 blend.