GOOD THROTTLE UP TO MAYBE 1/2 PETAL IF I GO WOT ENGINE BOGGS AND ONLY WILL TURN APPRX 5200 RPMS, GOOD FUEL FILTER45 PSI FUEL PRESURE, NO ENGINE MISS, NO CHECK ENGINE LIGHT, ALSO AIR FUEL IS GOOD 13.6 WHEN COLD, BUT AFTER RUNNING 4 TO 5 MIN, GOES LEAN OFF SCALE ON METER, OVER 17.0 EVEN IN WOT, ANY THOUGHTS OR HAS THIS HAPPENED TO ANY ONE HAVE FUEL TUNER ON THIS UNIT ALSO AND CANT MAKE IT GO RICHER ALSO