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logged knock problem

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snoozin

15+ Year Contributor
80
0
Oct 27, 2004
pensacola, Florida
so i finally got a logger cable that works. took it out for a 3rd gear pull and came up with this crap. :thumbdown I have very minimal mods at the moment, EBC, gauge, intake, free stuff. This is at 11psi. (my 15psi pull i did first was horrible) Im wondernig what is causing the knock at almost stock settings?? I did a leak test about 2mths ago, im runnin 91 octane prem and as far as i knew she was fine. I do plan on dropping 450ish on a 255hp, fpr, and lines in about a month but i need to get this figured out first. How do i fix this?? anyways, thanks for the help in advance.



Tima IPW 02-R RPM Knock
35° 92.8% 0.70V 2219 0
34° 86.6% 0.78V 2313 0
35° 80.3% 0.94V 2250 0
35° 74.1% 0.88V 2281 0
35° 67.9% 0.70V 2313 0
35° 62.4% 0.47V 2313 0
35° 67.9% 0.14V 2313 0
35° 74.9% 0.08V 2313 0
35° 82.7% 0.08V 2313 0
35° 89.7% 0.08V 2313 0
35° 95.9% 0.12V 2313 0
35° 103.0% 0.20V 2344 0
34° 107.6% 0.29V 2375 0
26° 99.8% 0.88V 2375 0
25° 99.8% 0.88V 2406 0
25° 99.8% 0.88V 2438 0
24° 99.8% 0.88V 2500 0
23° 99.8% 0.88V 2531 0
22° 99.8% 0.88V 2594 0
21° 99.8% 0.88V 2625 0
20° 99.8% 0.88V 2688 0
19° 99.8% 0.88V 2750 0
18° 99.8% 0.88V 2813 0
17° 99.8% 0.90V 2906 0
18° 99.8% 0.88V 2969 0
17° 99.8% 0.88V 3063 0
18° 99.8% 0.88V 3156 0
18° 99.8% 0.88V 3219 0
18° 99.8% 0.88V 3250 0
18° 99.8% 0.88V 3375 0
19° 99.8% 0.88V 3438 0
19° 99.8% 0.88V 3500 0
19° 99.8% 0.88V 3594 2
18° 99.8% 0.88V 3688 2
19° 99.8% 0.88V 3750 2
19° 99.8% 0.88V 3844 1
18° 99.8% 0.88V 3969 1
17° 99.8% 0.88V 4000 8
16° 99.8% 0.88V 4063 7
16° 99.8% 0.88V 4156 7
16° 99.8% 0.88V 4250 7
17° 99.8% 0.88V 4344 6
18° 99.8% 0.88V 4406 6
18° 99.8% 0.88V 4500 6
17° 99.8% 0.88V 4563 5
17° 99.8% 0.88V 4625 5
17° 99.8% 0.88V 4719 5
17° 99.8% 0.88V 4750 5
16° 99.8% 0.88V 4875 4
16° 99.8% 0.88V 4875 4
16° 99.8% 0.88V 4969 4
17° 99.8% 0.88V 5063 3
18° 99.8% 0.88V 5125 3
18° 99.8% 0.88V 5156 3
18° 99.8% 0.88V 5313 2
19° 99.8% 0.88V 5313 2
19° 99.8% 0.88V 5313 2
19° 99.8% 0.88V 5375 2
20° 99.8% 0.88V 5500 1
21° 99.8% 0.88V 5531 1
27° 99.8% 0.92V 5500 1
34° 99.8% 0.84V 5563 0
 
snoozin said:
Tima IPW 02-R RPM Knock
35° 92.8% 0.70V 2219 0
34° 86.6% 0.78V 2313 0
35° 80.3% 0.94V 2250 0
35° 74.1% 0.88V 2281 0
35° 67.9% 0.70V 2313 0
35° 62.4% 0.47V 2313 0
35° 67.9% 0.14V 2313 0
35° 74.9% 0.08V 2313 0
35° 82.7% 0.08V 2313 0
35° 89.7% 0.08V 2313 0
35° 95.9% 0.12V 2313 0
35° 103.0% 0.20V 2344 0
34° 107.6% 0.29V 2375 0
26° 99.8% 0.88V 2375 0

You have something seriously wrong with this log.
IPW isn't in percent and if this is IDC's, hitting >100% at 2300 RPM is really broken.

Steve
 
yea, i dont know why i typed ipw there. i think i was writing it down somewhere else and it was still stuck in my head. thats actually ft02, whatever that is, i copied the wrong thing in excel :mad: . couldnt do full redline as im in town and cops are everywhere. and it was scaring me as i have the alarm on the pda set to go off after knck>3 and it never stopped beeping when i got on it in 3rd. i would like to tune knock down below 3 if possible but this is stock settings and i was hitting 12-15 counts of knock constantly with 15psi around the same rpms that it started with here. how can i get rid of this crap. i do plan on getting the fuel sysetm redone (pump,safc, 660cc, fpr, lines) within the next 3 months. am i basically stuck untill then with keeping low boost on all the time or is there something that i can fix thats causing this much knock? thanks again

-Mitch-
 
Looks like your running DSMLink. Are your injectors properly dialed in? What is your Global and Dead Time set at?
 
O2 seems a bit low to me - try putting your screen back into your MAF. Also as someone else suggested - Check base ignition timing, plugs, wires and fuel filter.
 
Im using mmcd to log with. i havnt looked at the fuel filter lately. ill check everything and swing by autozone to pick some stuff up and replace if needed (just did this 6k ago), check timing and do another pull and see where im sitting at and get back here with the results.
 
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