need help reading my logs

[illeffekt vr-4]

hey all.
i got around to installing my 255 hi pressure walbro and rewired it. i did some logging and tried to tune the car via the safc. my friend helped me since he knows more than i do. the first thing we did we set the fuel pressure to 42psi with the vacuum hose off.


here are the logs. there is some knock which my friend said its "ok". i thought a gvr-4's and 1g dsm's are supposed to be tuned for 0 knock. no matter how much we added or subtracted on the safc we couldn't get rid of all the knock.

things that worry me are the injectors going to 100% duty cycle. i thought 550's are good enough for 20g turbos running the same psi as me.

RPM KNCK O2 INJD TIMA MAFS
3400 0 .89 37% 27 761hz
3500 0 .87 48% 23 918
3750 0 .87 48% 19 968
4156 0 .85 60% 20 1119
4312 0 .85 62% 19 1176
4593 0 .83 67% 20 1276
4718 0 .83 71% 19 1352
5156 0 .82 79% 19 1490hz
5312 0 .82 83% 20 1603
5468 1 .82 88% 21 1603
5812 0 .80 93% 22 1603
6000 0 .80 96% 24 1603
6187 0 .80 97% 25 1603
6468 0 .78 101%25 1603
6812 0 .78 106%25 1603hz


RPM KNCK O2 INJD TIMA MAFS
3562 0 .87 44% 19 893hz
3812 0 .85 47% 21 949
4062 0 .85 54% 20 1037
4312 0 .85 59% 20 1138
4531 0 .85 67% 20 1251
4906 0 .83 75% 19 1402
5187 0 .82 79% 20 1522
5406 0 .82 83% 22 1573
5656 1 .82 89% 21 1603
5843 0 .80 90% 22 1603hz
6000 0 .80 92% 23 1603
6312 0 .80 98% 24 1603
6500 0 .80 98% 25 1603
6625 4 .78 98% 24 1603
6843 4 .78 100% 20 1603
6968 3 .78 100% 23 1603
7125 2 .80 100% 22 1603hz


sorry if the logs are hard to read.

here is a list of the mods so far:
2g MAF
Big 16g running 18psi during the test/tune runs
2g exhaust manifold ported
2.5" tubular o2 housing from Turbotrix
Tial 40mm external wastegate with external dump
2.5" turbo back stainless steel exhaust
2.5" dynomax muffler/no cat

Fuel:
550's Denso's
Aeromotive FPR.
-6 line from the stock feed line to the rail
-6 line from the rail to the regulator
Walbro 255 hi pressure/rewired

external air to air oil cooler
dual 1200 cfm slimline fans

Road Race Engineering FMIC
2.25" custom intercooler pipes
Blitz BOV

the ecu has a keydiver chip in it with the following specs:

NO FUELCUT
7500 RPM REV LIMITER
E943
35
6000/5000 STUTTER
KNOCK GAUGE
REVISED A/C CUTOUT
OCTANE RESET AT STARTUP
REVISED KNOCK
HIGHSPEED CLOSED-LOOP
550 INJECTORS
180uS DEADTIME
2G MAS

 

[dnhieu]

first off throw all that crap away about that big of a turbo on 550cc injectors. you are obviously maxing your injectors out. your injector dudy cycle would like to be at 80% not 100%. the first run it looks like you got phantom knock which isnt real its just their.this can be caused by ANY noise like lifters, or even a bump in the road. but the second run you just simply running out of injectors. think its time to get some new ones!