In my experience you can 3.0ms/pw until about 3200rpms. The higher rpm you go the window will get smaller. At 4400rpms which is the highest I've taken my engine, I will see about 2.5ms/pw.
Type: Posts; User: blackf250
In my experience you can 3.0ms/pw until about 3200rpms. The higher rpm you go the window will get smaller. At 4400rpms which is the highest I've taken my engine, I will see about 2.5ms/pw.
Sounds like you're on the right track. I'd start with the idle area of the pw table. With 75% over nozzles and plugged spill ports you will most likely have a pretty erratic idle. If you multiply...
Also keep in mind with ficm tuning you no longer need to mess with the ICP transfer function. When ficm tuning wasn't available tuners would alter the icp transfer function to increase injector pw. ...