No problem, I am here to learn so butt in all you want! I just received my first engine back from Ralph, and I swear the more I read the more I'm hooked. It sounds to me like there are plenty of quality oil choices out there. I guess the best solution, for me, would be the best protection quality, least exhaust residue, and something that is readily available. I've been hearing that Pennzoil 2-stroke has been extensively tested against others with good results.