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Performance Tuning Beginner and advanced tuning | Tools of the trade |
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08-03-2014, 03:10 AM
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#31
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Internet Sanitation Engineer
Join Date: Mar 2006
Location: Crawfordville, FL
Posts: 15,139
Name : Rich Zuchowski
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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
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08-03-2014, 03:11 AM
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#32
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Internet Sanitation Engineer
Join Date: Mar 2006
Location: Crawfordville, FL
Posts: 15,139
Name : Rich Zuchowski
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05-11-2013 - Tune #27_0003
{B4307} - 90 to 284 reduced 10%
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08-03-2014, 03:13 AM
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#33
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Internet Sanitation Engineer
Join Date: Mar 2006
Location: Crawfordville, FL
Posts: 15,139
Name : Rich Zuchowski
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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.
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08-03-2014, 03:48 PM
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#34
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Internet Sanitation Engineer
Join Date: Mar 2006
Location: Crawfordville, FL
Posts: 15,139
Name : Rich Zuchowski
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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!!
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08-03-2014, 03:57 PM
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#35
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Internet Sanitation Engineer
Join Date: Mar 2006
Location: Crawfordville, FL
Posts: 15,139
Name : Rich Zuchowski
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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.
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08-03-2014, 04:01 PM
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#36
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Internet Sanitation Engineer
Join Date: Mar 2006
Location: Crawfordville, FL
Posts: 15,139
Name : Rich Zuchowski
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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.
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08-03-2014, 04:05 PM
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#37
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Internet Sanitation Engineer
Join Date: Mar 2006
Location: Crawfordville, FL
Posts: 15,139
Name : Rich Zuchowski
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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
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08-03-2014, 04:06 PM
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#38
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Internet Sanitation Engineer
Join Date: Mar 2006
Location: Crawfordville, FL
Posts: 15,139
Name : Rich Zuchowski
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05-21-2013 - Tune #28_0003
Data logged on 05-24
{B0101} Main VE Table
Copy and mulitply using MAP A scan data
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08-03-2014, 04:08 PM
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#39
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Internet Sanitation Engineer
Join Date: Mar 2006
Location: Crawfordville, FL
Posts: 15,139
Name : Rich Zuchowski
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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
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08-03-2014, 04:12 PM
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#40
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Internet Sanitation Engineer
Join Date: Mar 2006
Location: Crawfordville, FL
Posts: 15,139
Name : Rich Zuchowski
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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
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