without starting a new war, what was the final conclusion on motor oil viscosity?
#21
well according to your post you must buy all your oil from the dealership............
since the dealership is the only one to supply this rare type of oil, oh since you sound like an engineer yourself, what railroad do you work for?
#28
If you like 5W40, the guys on the oil forum rave about Mobil Delvac1
<ul><li><a href="http://www.mobil.com/USA-English/Lubes/PDS/GLXXE2CVLMOMobilDelvac1_5W-40.asp">http://www.mobil.com/USA-English/Lubes/PDS/GLXXE2CVLMOMobilDelvac1_5W-40.asp</a</li></ul>