http://www.mobil.com/USA-English/Lubes/PDS/GLXXENPVLMOMobil_Drive_Clean_Plus.asp
They are heavier then Mobil 1. I might have to sample these at some point. I think they are good for older cars that burn oil, although I don't know what the NOAK numbers are so being they are heavier, might not pay off if the NOAK #'s are high. They make a 10w-40!
[ April 14, 2003, 04:16 PM: Message edited by: buster ]