Dave .... thank you very much for the information. I am trying to setup Tuner Pro right now, will load all the data and see where we go.

Hi I am Herman and new to EFI tuning. I have just completed an engine swap in my 1994 Silverado, 5.7 liter to a 7.4 liter 454. My engine builder did a lot of work to the engine for me: Cam upgrade,...