Originally Posted by prowakeskater

Im setting my 8 to idle and cruise at 15.6

9's can safely go much leaner

Originally Posted by TurboTim06

Nuthing is really "wrong" with running the open loop method...You just have to really watch what you're doing since there is no correction factor for adjustment to changes like in closed loop...definitely watch your AFR's and EGT's when doing this...And those tables will only effect the crossover points from closed to open loop...You will still have to go into your fuel tables and adjust AFR's in the cruise section of the map...you may have to do multiple logs to completely narrow down the cruising block of the map...There is another way to do this using a wideband 02 and the analog output wired into the ECU...here is the link...

https://www.evolutionm.net/forums/ec...o2-system.html