I just traded for an 01 shee and as i posted above i am brand new at the twin cylinder. i only owned one pinger with a power valve. I always ran everything at 32:1 and used klotz benol. I have been reading for days and talking to lube companies. I know blendzall is out ,hell it was gummy in a straight pinger engine. I have looked at benol as well and that is what the guy ran in it that i traded off of. i dont like the goop out the silencers. I want to know if anyone has ran the new bel-ray bio-bel h1r? I have talked and read about hundreds of people running 50:1 and even one running his shee at 80:1. how well does the new ester based oils work at such lean mixxes? thanks and i am very full from the big ass crow dinner i ate.