Originally Posted By: Shannow
Originally Posted By: silver1
Originally Posted By: Shannow
I used 15W-40 and straight 30 in mine from -7C to 40C...and a lot more than 4,800 revs. (20-105F)
Straight 30 was Caltex 4 stroke mower oil for a couple of OCI just to see what it did. Filter was the big...