Posted 8/19/2014 21:39 (#4027597 - in reply to #4027565) Subject: RE: Anybody else running a Speicher 7160
East central Indiana
From what little I've been around the speicher machines I'd say 80w90 will be fine. As far as leaks. That's ditching equipment. My opinion is if it ain't leaking it ain't digging. Good luck and have fun