Precision Turbo and Engine BigStuff3 GEN3 PRO SEFI (LS1) System Hardware & BigComm Software - Manual (Page 81)

BigStuff3 Pro SEFI System (LS1)
Version 1.0 80
While the engine is running, a “real-time Ellipse” will move within the MAP AE Inc Rate table
relative to the current engine Coolant Temperature “operating point”. Use it as a point of
reference to help calibrate the MAP AE Inc Rate table.
To change a value in the MAP AE Inc Rate table, move the cursor using the PC’s mouse or
arrow keys to the cell to be changed. Input the desired value and hit “Enter” to save the change
The inputs shown in the table below can be used as a baseline.
53. Run Time Correction
The fifth table is Run Time Correction. It only influences the Positive dMAP and dTPS
Correction Values for a short period of time after the engine is running. (i.e. up to 8 minutes).
The Run Time Correction table’s value is used to increase the positive dMAP Correction value.
Therefore, if the current dMAP correction value is 200% and the Run Time Correction value is
25%, the ECU will increase the dMAP 200% correction value by 25%, relative to the time at
which the acceleration event occurred.
The amount of Run Time Correction fuel is decreased as time transpires and the engine warms
up. The first cell in the table, all the way to the left, represents the first ½ minute of engine run
time. The cell all the way to the right represents the end or eighth minute of engine run time.
The Run Time Correction table’s input values need to decrease as you work from the left to
right.
While the engine is running, a “real-time Ellipse” will move within the Run Time Correction
table relative to the current Run Time Modifier “operating point”. Use it as a point of reference
to help calibrate the Run Time Correction table.