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help with maft tune (LOG)

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2GSpeed

Probationary Member
18
0
Jan 2, 2005
Cedarburg, Wisconsin
ok here is what I have 2.5 turbo back exhaust evoIII manifold straight intake pipe with K&N GM mass air in upper intercooler pipe boost set at 13 lbs 190 fuel pump and i hit full boost at about 2500 rpm here is my log of a 3rd gear pull

RPM,Knock,Timing,O2

2438, 0, 24,0.90
2469, 0, 23,0.90
2531, 0, 23,0.88
2625, 0, 21,0.90
2688, 0, 19,0.92
2750, 0, 18,0.94
2844, 0, 17,0.94
2969, 1, 17,0.94
3031, 0, 16,0.94
3156, 0, 15,0.94
3250, 0, 15,0.94
3375, 0, 15,0.94
3469, 0, 15,0.96
3594, 0, 18,0.96
3688, 0, 17,0.94
3812, 0, 17,0.94
3938, 0, 18,0.94
4031, 0, 18,0.94
4125, 0, 18,0.94
4281, 0, 18,0.94
4344, 0, 18,0.94
4438, 0, 18,0.94
4500, 0, 18,0.94
4656, 0, 18,0.94
4688, 0, 18,0.94
4781, 0, 19,0.94
4875, 0, 19,0.92
4938, 0, 19,0.92
5062, 0, 19,0.92
5125, 0, 20,0.92
5188, 2, 19,0.92
5281, 1, 21,0.92
5281, 1, 21,0.92
5406, 1, 21,0.92
5469, 1, 21,0.92
5500, 0, 22,0.92
5625, 0, 23,0.92
5656, 0, 23,0.92
5719, 1, 22,0.92
5781, 7, 20,0.92
5844, 7, 21,0.90
5906, 13, 19,0.90
5969, 13, 19,0.90
6031, 12, 18,0.90
6125, 12, 18,0.90
6094, 12, 18,0.90
6250, 12, 18,0.90
6219, 11, 18,0.90
6250, 13, 17,0.90
6344, 13, 16,0.73
6375, 12, 16,0.65
6469, 12, 16,0.55
6531, 12, 16,0.31
6562, 12, 16,0.10
6562, 11, 15,0.02
6656, 11, 15,0.02
6656, 11, 16,0.02
6688, 11, 15,0.00
6719, 10, 15,0.00
6750, 10, 15,0.02
6812, 10, 15,0.00
6906, 9, 16,0.00
6906, 9, 16,0.00
6906, 9, 16,0.78
 
You are running really lean and knocking in the upper rpm range. OMG You need to richen up your WOT settings. Also make sure you have your base set up correctly for your injectors.
 
what should i have my knobs set at on the MAFT the first is set at 0 the second 1 the third 0 and the fourth F.... I have stock injectors in my car
 
You need to set your Aux and base according t your injector size. I had to actually adjust my base up for larger injectors to get my cruise speed STFL and LTFL where they need to be at. See link for instructions

http://www.fullthrottletech.com/articles.php?action=viewarticle&artid=2

KI would not mess with the last know until you have the first three set properly. Set your WOT to zero and start logging from there after you have your base set (STFL and LTFL = 90%-100% for 1G)
 
idk if i have read that correctly but am i susposed to set the base knob at 2 with the stock injectors?
 
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