About the 03 with the return. If i use a 04 os on my 03 engine would i just compare injector flow rate and copy whats on the 03 tune onto the 04 bin through tunerpro? If that makes sence

Hey thanks for letting me join, i look forward to learning. Im working on an s10 ive swapped with a 6L/80e made my own harness via lt1swap and now in the process of getting the vats deleted and...