Superior Patented Leaning Process: G2/3/4 makes the lean process easy No one else has this unique leaning process G2/3/4 leaning is so easy and complete we patented the process - Read PatentWith patented features like: Pilot settable lean threshold target Colored box appears at peak Lean boxes show temperature of how much lean or rich Colored boxes show lean or rich Lean boxes change at lean threshold Fuel flow guidance for leaning Fuel flow at each cylinder peak (GAMI SPREAD) EGT temperature bars with numbers CHT temperature bars with number, yellow warning and redline TIT temperature bar with number, yellow warning and redline