Up until recently I've been using the last bit of my Ipone Samurai racing oil in my ope (left over from a messed up order with Dennis Kirk). This stuff burns REALLY clean. I was using it in my Stihl 026 that I top ended (at 32:1) and even after several trees and a couple of gallons of fuel, the bore and piston top are literally spotless. Zero carbon accumulation on the piston. Without exaggeration, it looks like I just put it in. So I'd really like to replace it with similar, but after some searching, it looks like it's no longer available. So what is a guy to do? Does anyone know if there is a comparable replacement?