I went through the rocker arms, no play of any kind, no tick on start up. I turned out the idle mixture screws a 1/4 then 1/2 a turn when running. It started and ran fine till the choke came off. The O2 was reading normal numbers then choke came off and went way lean on the gauge but idle choppy but didn't stall. I think the noise was the unstable idle, talking a minor tick. Pretty sure I could get the carb where I need it but why bother, it is coming off. I had to cancel one small optional gasket that wouldn't ship till March on my Summit order. The Terminator X, in tank 350 LPM pump module, Mr.Gasket fuel pump relay and MSD noise capacitor are on their way!. I may start replacing all spots with rubber hose in the stock fuel line with 3/8" efi rated hose and clamps, tomorrow and the next day.