VR-1 or Brad Penn?

There are a few threds out there on the subject. I've been using the VR1. I bought a case of some high zinc oil at Carslile but cant seem to remember the name of it. Z-Alt?

If you search zinc in oil you will find a lot for info.

http://www.forabodiesonly.com/mopar/showthread.php?t=41397&highlight=zink+oil