I finally gave up . The last senerio took the fight outta me.
120 Edge 540-T
Bisson muffler, F-plug, 15% CoolPower, large tubing, blah, blah, blah.
Had it running great on a 17x6 APC. Nice idle, good mids and a very powerful high end.
Ran the tank out alternating between throttle settings until it ran out of fuel. Took a break for a couple of hours and went back out to run it again. Touched nothing. Filled the tank, finally started . Crap ! Poor idle. Ran lean and rough in the midrange. Transition was mushy. It did the old ST idle tricks again when you let it idle for a few seconds too long and try to throttle up. Changed the plug . Still crap.
Took the fuel out and started unbolting everything from the fuse. Went into the cabinet and got a box with a brand new OS 160FX in it. Mounted it , filled the tank. BOOM !! Problems solved. Been flying it almost everyday now.
Stock carb.
No pumps.
Medium tubing.
#8 OS plug.
15% Omega
Put the ST back in it's box and into the cabinet.

As Frisco Darling on the Andy Griffith show use to say... "More power on ya."
Seriously,,, I'm very happy for those that got a good one.
For those like me that didn't.............face the facts. About 3 outta 10 leave the factory lemons. And I got that little bit of info from a very good source. A few of them can't be healed with any after market part. Molded parts are molded parts.
I've had the best of the best tweak on this thing. On the plane. Off the plane. Perry carbs and pumps. Firehose for tubing. (Just kidding) I still have requests from some of the local tweaking gurus to let them try too.
When the dust settles,,,, the SuperTigre wins again everytime.