thats correct. 411 pcm w/express van flash. i havent completed the cam upgrade yet and i havent done any data logging yet. i was thinking of using pcm logger unless there is a easier way to log. i am using pcm hammer w/tunerpro rt to do my flashing. witch i am very new at the flashing and tuning. but i am very experienced with all of gm fuel injection repair all the way back to the 80s. so i understand the principle. sorry for taking so long to reply back. and thanks for your reply. ps. i was using the 7165 ecu one this and just recently up graded to the 411. obd2 is just soooo much easier to tune and diag
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