Injector are easy to understand if you read the book it tells you what each letter and number stands for then the rest you adjust with timing example N stands for needle valve C stands for crown valve the list goes on,
I am not trying to be a smart @$# but some things are better left alone people murder those engines every day, I know I killed a 8v92 before by being hell bent no 60 series was going to out do me stay with the manual and it will serve one well