I8A0S 98 CTS Stg2 3.5 V4 Seems to run good and smooth, no more missfires still and fuel bias seems to be almost not noticable, still there a little bit in 3rd gear
VRSF 5" stepped IC Dual Cones HF cats 25% meth injection #3 nozzle 3rd to 4th WOT shift misfire noted following test.