Dave, I agree, never said anything but here's a plug. The only way is to run it WFO, cut the throttle and kill it , pull in clutch coast to a stop. Pull plug and read. Least, that's how I do it. Yes, I'll be back on the 27th, had too much fun and learned a lot. Yes air/fuel was dead on from @6000-10,000 rpms. 13 to 1 roughly. And Dave, I'd like to see one of your plugs. No, Wilbur, they come that way from ND. They're iridium. But y'all keep the comments coming, it's how we all learn, thanks, Bill