Hello,
New guy here from Wisconsin. I recently picked up an 87 GMC Sierra R3500, 5.7 TBI with an SM465 4 speed. I am getting set up to do some data logging and possible tuning in the future. I do need a little help tho. I have downloaded and installed TunerproRT and am now looking for the files I need to download. Can anyone help me out with finding the files I need. I have attached a pic of my ECM and believe I need the AFMX bin file but I am not sure