Quote:
Originally Posted by E150GT
The Delo 15-40 seems like molasses compared to the 5-20 Mobile i use in the Mazda.
|
Yes, but it sounds like you are using the best oil for each application. Most of the modern gas engines, most any engine originally introduced with roller cam followers are best served with a Premium thin weight oil. Not so for the old flat tappet engines or our diesels.