Hardware & BigComm Software Instruction Manual

BigStuff3 Pro SEFI System
Version 2.1 – February 2011 69
Next, depress and hold the keyboard “Shift” key. Now, use the arrow keys, to maneuver through the
cells to be changed. As the cells are being selected they will become highlighted. Once the desired
cell range has been highlighted, release the “Shift” key. Depress the “Page Up” key to increase the cell
values and the “Page Down” key to decrease the cell values. The cell values will increase or decrease
by a value of one (1) for every keystroke. To exit this mode, depress any one of the arrow keys.
The illustration below shows the areas of the base fuel map that the ECU accesses under different
driving conditions.
Hint: Use the 02% Correction feedback in the Dash to help calibrate the Fuel table VE values.
Note: Be sure the ECU is properly configured and the Base F
uel and Spark Tables are
calibrated before configuring and calibrating any of the following engine operating
parameters.
34. STARTING
The “Starting” drop-down selections allow the user to calibrate parameters associated with starting
(cranking) and running the engine for a short period of time (temperature dependent) after the engine is
initially started.
The BigComm software allows the user to configure the Load (MAP)
and RPM axes allowing for a larger number of cells (map area) to be
used for the fuel and spark tables.
MAP (Kpa) - Engine Load
203
80 80 80 80 80 80 80 80 80 87 90 91 91 91 91 91
176 80 80 80 80 80 80 80 87 87 90 90 90 95 95 95 91
150
80 80 80 80 80 80 80 83 83 87 87 90 95 95 95 91
125 80 80 80 80 80 80 80 80 82 82 84 90 91 91 91 91
111
80 80 80 80 80 80 80 8 80 80 80 80 90 90 90 90
100 80 80 80 80 80 80 80 80 75 75 80 8 87 87 87 87
90
77 77 80 80 80 80 75 70 70 70 70 77 84 82 82 82
81 77 77 77 80 80 70 70 70 70 70 70 70 82 82 82 82
70
60 60 77 75 70 70 70 70 66 66 66 66 70 70 70 70
64 50 50 60 70 66 66 66 60 60 60 60 60 66 66 66 66
60
40 40 55 60 60 66 66 56 59 50 59 59 59 59 59 59
56 36 36 46 50 50 55 55 56 56 50 55 55 5 55 55 55
50
35 35 45 50 50 50 55 50 50 50 50 50 50 50 50 50
45 31 31 40 40 44 44 48 48 48 48 48 48 48 48 48 48
41
2525 3 35384044444444444848484848
28 25 25 28 33 35 40 40 40 40 40 44 48 48 48 48 48
600 800 1,000 1,150 1,200 1,500 1,800 2,000 2,400 2,800 3,200 3,600 4,000 5,000 6,000 7,000
RPM