Leaning:G Series is best technology available, there’s nothing else like it, nothing even comes close.Operation lean of peak requires special information that only the G3 or G4 Graphic Engine Monitor can provide.The G Series instruments are extraordinarily capable yet easy to use.G Series specialized innovative leaning process is the first and only one to ever earn a patent. READ PATENTUnprecedented in its sophistication, most importantly it makes a complex process easy to accomplish.Leaning with reference to temperature only is just too confusing for LOP.Our specialized process reports each individual cylinders status in unambiguous form.You needn’t ponder if a cylinder is rich or lean we display that too.Injector Analysis:Nozzle flow uniformity is paramount to operation lean of peak but only Insight delivers a nozzle analysis every time you lean.G Series can forewarn of problems and assure uniformity of results. Of course other systems just leave you in the dark.