There are plenty of different 4AGE's be more specific on which one and somebody might be able to answer the injector resistor question, some use it, some don't.
There are atleast 6 different types of 4AGE
Bigport 16v 1st gen
Bigport 16v 2nd gen
Smallport 16v
Silver top 20v 1st gen
Silver top 20v 2nd gen
Black top 20v
Then to go with that there are different engine management types, AFM/MAP etc
Pick one