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Old Oct 26, 2010 | 10:12 AM
  #646  
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From: DFW
You most likely just need to raise the knock threshold down there. I had the same problem and it seemed that no matter how much I lower the timing it persisted. Raising the knock threshold hold got rid of it. As long as it is not a lot of knock it is not worry some at such low load and rpm, I believe.
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Old Oct 26, 2010 | 10:34 AM
  #647  
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From: Gatineau, Quebec, Canada
Originally Posted by Stradag
21-22 psi tapering to 19.5
tephra v7, ix turbo, hks 280 cams. pte 1200cc, full exh. fp intake pipe, ams balance shaft delete, muse uicp, xs pwr fmic, xspwr licp grimmspeed 3 port 93 oct gas
If I try to do a log starting from 2500 rpm or even 3000 rpm I get knock right away cant figure it out. AFR is around 11.7 tapering to 11.3.
p.s. this is not a english racing tune. getting a english racing tune if I can not figure out knock by myself.
Make the transition smoother between 100-120 load. I had similar problems (knock at tip-in) with my previous tune, smoothing it out has helped a lot. You've got pm!
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Old Oct 26, 2010 | 04:03 PM
  #648  
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Originally Posted by raptord
make the transition smoother between 100-120 load .
+1
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Old Oct 26, 2010 | 04:24 PM
  #649  
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Yeh i had a similar issue with tip-in knock, no matter what i did couldnt remove it esp in lower gears like 1st and 2nd, i had to lower the Knock Sum decay timer and increase the knock load threshold in the lower rpms,

Here is my current map @26psi
Name:  TimingBoost26psi.png
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Old Oct 26, 2010 | 10:09 PM
  #650  
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From: DFW
Here is mine. I am still experimenting on timing during spool and what not. Anyway...
Attached Thumbnails Let's see your fully tuned timing maps-timing.png   Let's see your fully tuned timing maps-timing-curve.jpg  

Last edited by mt057; Oct 26, 2010 at 10:29 PM.
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Old Oct 26, 2010 | 10:12 PM
  #651  
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From: INDIANA FOO!
Originally Posted by mt057
Here is mine. I am still experimenting on timing during spool and what not. Anyway...
the hell is with that block in the low load and higher rpm area?
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Old Oct 26, 2010 | 10:19 PM
  #652  
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From: DFW
lol I was playing with that at the drag strip. I found that when shifting my car would carry 38* timing all way into the 200+ load areas so I lowered it to match what it is normally at that point on my map at high load/rpm. I have it with only 38* in that section as well. So far I have not touched the 11 area except for at the track.

Looking at my map tracer it looks like I would have to change it in up a little to get rid of the rest of the high timing btwn gears. I am curious if it will help bring the boost back btwn gears.

Here it is normally
Attached Thumbnails Let's see your fully tuned timing maps-higher-timing-down-low.png  

Last edited by mt057; Oct 26, 2010 at 10:45 PM.
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Old Oct 27, 2010 | 01:00 AM
  #653  
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From: panama
+100000 smooth the timing in low loads

thats the problem of knock in spooling
try this test: making a test of 1 log of 50% trhotle and aply progresive until get full boost and full throttle controling that the cars use a diferents interpolation of timing with the same map and probably you gona get 0 knock if thats occurs the problem is : you need smooth map, otherwise Wiseco piston (piston pin) sometimes. or Twin Plate cluths...
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Old Oct 27, 2010 | 09:18 AM
  #654  
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Ya the smoothing has def helped alot so far, I dont think I want to touch the knock sensor sensitivity because it seems like when it does get knock it causes more knock to occur as it goes up in rpm. Once I took care of the low load/rpm knock the higher load/rpm knock did not occur. Does that make sense? LoL
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Old Oct 27, 2010 | 10:31 AM
  #655  
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From: Queensbury,New York
Originally Posted by SyZyGy1394
the hell is with that block in the low load and higher rpm area?
The reason for that block might be to try and get rid of shift knock, I believe that is the part of the map that the ecu references while shifting gears, I have seen a thread where people set the timing to -10 in that area to get sweet ricer flames while shifting lmao
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Old Oct 27, 2010 | 12:09 PM
  #656  
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From: INDIANA FOO!
Originally Posted by Stradag
The reason for that block might be to try and get rid of shift knock, I believe that is the part of the map that the ecu references while shifting gears, I have seen a thread where people set the timing to -10 in that area to get sweet ricer flames while shifting lmao
I can see that. Slowly rolling on the throttle in that rpm range right after you let off is uhhh......yeah. I'll leave it at that.
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Old Oct 27, 2010 | 01:32 PM
  #657  
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From: DFW
I am not slowly rolling on to the throttle after switching gears. I am slow to shift though. It takes me roughly .6 to .8 of a second btwn 100% tps on my data logs. I tried lowering it help keep the turbo spooled btwn gears. I need to reduce a little more timing out in the 200 range to make it pretty smooth timing transition even when shifting. I never see that area in DD. I am going to keep testing it out at the drag strip vs the normal timing and see if I find any gain. If not I will use the normal timing in that area. I am not trying to shoot flames ect. Just trying to improve my 1/8th mi. times. I am trapping 91.6mph with a horrible 7.7-7.8 et.
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Old Oct 27, 2010 | 06:28 PM
  #658  
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From: panama
use nlts the best way to get better 1/8 and u never loose boost with nlts just 2 o 4 psi
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Old Oct 28, 2010 | 02:09 AM
  #659  
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19psi peak - 17psi taper, mid 11 afr, intake/catback/tune are only mods, on ~92-93 octane.
TXS front pipe arrived today, so will be permanently installing wb02 and completing the tune.
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Old Oct 28, 2010 | 08:00 AM
  #660  
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why do you have the timing set so retarded in the 4000-7000 and 0-140 load range? there is no way i would want my car shooting flames.

ill post my map up later on when i get out of class, 26psi on stock turbo 11.6afr.

Last edited by evo8426; Oct 28, 2010 at 08:05 AM.
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