Anybody using Driven brand HR-2 oil in their slant?

I run Valvoline VR1 in my flat tappet engines.. I have been running it since 2012 just after the breakin oil on my flat tappet comp cam. 0 issues. Walmart sells it for around $26 bucks for 5 quarts.
I run the VR-1 10w-30 in my Duster. Good stuff