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garrett21

15+ Year Contributor
61
3
Jan 26, 2006
Turlock, California
My mods are in my file, but the things you need to know are, I'm running a 14b, 550inj, stock maf, stock ic, hard ic pipes, fuel pump unknown (190 or 225), and a wideband o2. I'm using a SAFC and mmcd to log. My settings on the afc are very rich.

Here is the thing at full throttle my wideband is going to 10.0 (rich) with the boost a 20lbs, I have tried running 12lbs but it was way rich, so i tried 20lbs. So i have high knock and rich o2 readings. I checked for boost leaks and my psi dropped about 1psi every 2sec, i could here a small leak but could not find it, sounded like it was coming from the turbo?

The log is of a 2nd gear pull with a shift to third did not want to load the engine with all the knock

Here is my log please help me out, thanks in advance!!!

TIME.... TIMA. RPM knock O2-R... ISC... TPS.... INJP......... AIRT
17:41:23 28° 2813 0 0.90V 102 100.0% 8.70ms 79.7°C
17:41:23 23° 3219 0 0.90V 102 100.0% 12.54ms 80.6°C
17:41:24 17° 3656 0 0.90V 102 100.0% 19.46ms 82.5°C
17:41:24 15° 4156 14 0.86V 102 100.0% 25.09ms 84.4°C
17:41:25 6° 4531 32 0.82V 102 100.0% 24.06ms 87.2°C
17:41:25 5° 5000 37 0.80V 102 100.0% 20.22ms 89.1°C
17:41:25 5° 5375 43 0.80V 102 100.0% 19.71ms 91.9°C
17:41:26 8° 5781 43 0.80V 102 100.0% 19.20ms 92.9°C
17:41:26 8° 6031 43 0.78V 102 100.0% 17.15ms 94.7°C
17:41:26 10° 6469 42 0.78V 102 100.0% 17.66ms 95.7°C
17:41:27 11° 6688 43 0.78V 102 68.6% 0.00ms 95.7°C
17:41:27 32° 5656 6 0.68V 78 10.2% 1.28ms 94.7°C
17:41:28 42° 4188 0 0.86V 71 100.0% 10.75ms 93.8°C
17:41:28 22° 4563 0 0.88V 102 100.0% 19.71ms 93.8°C
17:41:28 17° 4750 27 0.84V 102 100.0% 23.04ms 93.8°C
17:41:29 4° 4844 42 0.80V 102 100.0% 22.27ms 93.8°C
17:41:29 4° 5063 43 0.80V 102 100.0% 21.76ms 94.7°C
17:41:29 5° 5219 43 0.80V 102 100.0% 19.71ms 94.7°C
17:41:30 6° 5375 43 0.80V 102 100.0% 20.22ms 94.7°C
17:41:30 6° 5469 43 0.80V 102 100.0% 19.97ms 94.7°C
17:41:30 6° 5625 43 0.80V 102 100.0% 18.69ms 94.7°C
17:41:31 8° 5813 43 0.80V 102 100.0% 18.43ms 94.7°C
17:41:31 8° 5875 43 0.78V 102 100.0% 17.92ms 93.8°C
17:41:31 9° 6156 43 0.78V 102 100.0% 18.43ms 93.8°C
17:41:32 9° 5500 34 0.82V 95 10.2% 1.28ms 93.8°C
 
You should log knock instead of TPS. So are you saying that you cant seem to get it tuned with the safc. You keep running rich. You may be over running your stock fuel pressure regulator.
 
Ok i fixed it, knock is in there. To the right of rpm.

I want to know why my wideband says 10.0 (rich) but i knock like crazy.
 
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