[rickx]

Originally Posted by rickx

I found Rotella T1 Straight 30W at my local AutoZone store. I plan to start using it in my K321 engine. Sounds like pretty good oil: http://www.shell.com/rotella/products/t1.html

UPDATE: Changed oil on my K321 after 10 hours on Rotella T1 30W. Oil is fairly dirty, but it appears to still be the same consistency as fresh 30W. Not exactly scientific, but I am impressed with Rotella T1 30W!