[1999 Ford Pickup F350 Super Duty, ECM/Inputs/Outputs waveform] this is correct cam to injector #1 synch,....to note the 97 and down at around 3000 rpms 7.3L has 12 psi normally, but the 99 to 2002 normaly had 15.5(they had different turbos) exhaust back press... Login to read more.

Files Referenced: