Precision Turbo and Engine BigStuff3 GEN3 PRO SEFI (LS1) System Hardware & BigComm Software - Manual (Page 86)

BigStuff3 Pro SEFI System (LS1)
Version 1.0 85
57. Individual Cylinder
This feature allows the user to define the amount of fuel (positive and negative) and spark
advance/retard correction for each cylinder. This feature is used to “calibrate out” intake
manifold inefficiencies.
From the Main Menu screen Tool Bar, left click on “Individual Cylinder.” The screen below
will open. The following paragraphs will describe how to calibrate each of the Individual
Cylinder drop down selections.