Tuning log for the C5Z

[Rich Z]

05-11-2013 - Tune #27_0002

{B4307} Desired Airflow
(1) Copied table from "3rd Tune".
(2) In Gear values -40 to 111 increased 10 percent
(3) Values 176 to 284 reduced 10 percent
(4) {P0300} Engine Misfire Detected -> Enabled

[Rich Z]

05-11-2013 - Tune #27_0003

{B4307} - 90 to 284 reduced 10%

[Rich Z]

05-13-2013 - Tune #27_0004

{B4307} Desired Airflow
-40 to 111 reduced 10% and smoothed

**Cold start is better but still goes a bit unstable after punching the accelerator pedal.

**Timing trace is real jagged at low cruising speeds.

[Rich Z]

05-14-2013 - Tune #27_0005

{B5920} Spark Smoothing - Disabled

{B4307} Desired Airflow
-40 to 111 reduced by 10%

Set to Open Loop

{B3313} DFCO Temp Enable
86 -> 252

{B3618} PE Modifier Based on RPM
Made all values 1.00

{A0008} - made all values 1.00

{B3801} Long Term Fuel Trim Correction
Disable (already set)

{B4108} STFT Idle Enable
Disabled

{B4205} Closed Loop Temp Enable
All set to 284 degrees

{B4105} 02 Switch Points
Made all 450mv

{B4203} Closed Loop Normal Temp
158 -> 284 (disabled)

{B4101} Closed Loop Idle Vehicle Speed
15 -> 0

{B4103} Closed Loop Idle Throttle Position
5.00 -> 0

{B4102} - Changed to 0

{B4104} - Changed to 0

**Runs REALLY lean at cruising speed on dirt road. Aborted QUICKLY!!

[Rich Z]

05-15-2013 - Tune #27_0006
Reverted back to tune #27_0004

Adjusted torque MAX to 640 where needed.

{B0101} - Values multiplied from MAP results taken while in open loop.

{B4205} Closed Loop Temp Enable
Set all values to 284

**Still went into Closed Loop! Otherwise runs pretty good.

[Rich Z]

05-16-2013 - Tune #28_0001

{B0101} Main VE Table
Copied cells from MAP_A

{B3647} Commanded Fuel vs RPM (Normal)
Changed all 1.00 values to 0.99

**Does not go into Closed Loop

** Runs fine but appears to have AFR a bit rich.

[Rich Z]

05-20-2013 - Tune #28_0002

Data logged on 05-21

{B3632} After Start Coolant Temp Enrichment
111 to 284 changed to 0

{B3663} Additional After Start Enrichment
111 to 219 changed to 0

{B3665} Additional After Start Enrichment Active
111 to 219 Changed to 0

{B3647} Commanded Fuel vs RPM
All 0.99 cells changed to 1.01

{A0008} Open Look ECT Commanded Fuel Multiplier
Changed all to 1.00

[Rich Z]

05-21-2013 - Tune #28_0003

Data logged on 05-24

{B0101} Main VE Table
Copy and mulitply using MAP A scan data

[Rich Z]

05-24-2013 - Tune #28_0004

Data logged on 05-27

{B0101} Main VE Table
Cut and pasted values from MAP I scan data

{B3647} Commaded Fuel vs RPM
Changed cells back from 1.01 to 0.99
Filter (calc.vet) applied to data

[Rich Z]

05-27_2013 - Tune #28_0005

Data logged on 05-28

{B0101} Main VE Table
Cut and paste from MAP A and smoothed

{B3618} PE Modifier Based on RPM
Set as per page 238 in Master EFI Tuner GM EFI book

{B5936} Idle Underspeed Error
Copied from stock Z06 tune

{B4603} Desired Idle Speeds
Lowered 90 to 284 by 50 rpm

{B4522} Stall Saver RPM
Lowered all values by 100 rpm