Quote Originally Posted by FormulaZR View Post
I use 0/40 for everything, including my boat. I use to swear by the German Castrol 0/40, the one that specifically says "Made in Germany" on the back. However, once I started seeing 0/40 Mobil 1 on the shelves for $25/5 qts, I just switched to it because of the price difference.
Presently we go the same route with the German Castrol, Motul and Redline with a couple of our BMW M cars except we have to use 10-60w. Wish we could go with something cheaper.