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  #1  
Old 01-16-2006, 08:42 PM
kakarot's Avatar
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Join Date: Aug 2005
Location: Brooklyn, NY
Posts: 1,561
Default Ignition

well I tried to map the ignition:
idle (750-800) 3deg
1000 4deg
1200 5deg
1400 6deg
1500 7deg
1600 8deg
1800 9deg
2000 10deg
2100 11deg
2200 12deg
2500 13deg
2600 13deg
2700 14deg
2800 14deg
3000 14deg
Thats all I could do for now.
is this right or wrong.

As I figure the map is not changable but can only vary from Knock sensor.
It does not change for anything not for O2 sensor, not for MAF sensor, even throtle position. It only changes with the RPM.
Is its true, is my theory right.
Also the degreees might have to be doubled.
 
  #2  
Old 01-16-2006, 09:26 PM
Join Date: Nov 2005
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Default RE: Ignition

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  #3  
Old 01-16-2006, 09:50 PM
0fframp's Avatar
2nd Gear
Join Date: Mar 2004
Location: Swamplands of NJ
Posts: 761
Default RE: Ignition

It's not that simple! It is not a DIY project for the shade tree mechanic. The internal timing map is in 3D and a lot more complicated. In the old days when all you had were some centrifugal weights and a vacuum servo you could take some measurements and teak the springs.
 
  #4  
Old 01-16-2006, 10:12 PM
kakarot's Avatar
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Join Date: Aug 2005
Location: Brooklyn, NY
Posts: 1,561
Default RE: Ignition

true ^^^
This is not a DIY, but I just wont an answer. couse I did not poped the ECU and downloaded values, I actually read them off the car, actually from a diagnostic device. This were taken while car was standing. and while driving they were the same. The maps in the ECU are 3D or sometimes even more complex and I saw ones 4D and 5D matrixees, they were cool, big. but sometimes on very old cars they were as easy as 2D. for the fuel they were always 3D but for ignition they could be 2D also. Just think about it. As I have read somewhere The Ecu has a lot of formulas, and the final solution they go to the maps.

Note, I just asked if they are close to the right one or officialy said "Do They fall into the Audies Ignition parameters?" :-)
they were taken when car was hot like 92C and also the same as on cold engine too.
 
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