UNDISPUTEDDSM
15+ Year Contributor
- 100
- 2
- Jul 17, 2004
-
NAPLES,
Florida
first log ever....knock issues, help!!!
hey guys whats up, im new to the dsm tunning world, i've done my research and all that good stuf so i'm getting there....here's my first log, this was with everything zero'd and i'm still getting some knock from 5500- until i let off, i'm looking for any advice or opinions that are possible, thanks.....
MODS:
3' Turbo back exhaust, intake, mbc (15lbs), (just the basics, stock injectors and pump)
heres what it looks like:
RPM A/F Knock o2 timing
2171 12. 0 .88 12.1
2224 12.6 0 .88 10.0
2332 12.4 0 .9 7.1
2500 10.8 0 .92 3.3
3000 11.1 .7 .90 6.4
3345 11.0 .4 .90 6.8
3505 11.0 .4 .92 6.8
4006 11.4 0 .90 10.
(everything looks decent until here)
4081 11.2 2.5 .90 7.5
4386 11.05 2.1 .92 7.9
4502 10.89 2.1 .92 7.9
5000 10.92 2.8 .92 9.3
5500 10.8 4 .2 .92 11.1
5841 10.73 4.2 .92 13.9
i know i'm going to get some knock up top becuase of my stock fuel pump, but how can i eliminate some of that knock up top and how can i eliminate the knock between 4000-5500 rpm??(this was logged at a 3rd gear pull)
hey guys whats up, im new to the dsm tunning world, i've done my research and all that good stuf so i'm getting there....here's my first log, this was with everything zero'd and i'm still getting some knock from 5500- until i let off, i'm looking for any advice or opinions that are possible, thanks.....
MODS:
3' Turbo back exhaust, intake, mbc (15lbs), (just the basics, stock injectors and pump)
heres what it looks like:
RPM A/F Knock o2 timing
2171 12. 0 .88 12.1
2224 12.6 0 .88 10.0
2332 12.4 0 .9 7.1
2500 10.8 0 .92 3.3
3000 11.1 .7 .90 6.4
3345 11.0 .4 .90 6.8
3505 11.0 .4 .92 6.8
4006 11.4 0 .90 10.
(everything looks decent until here)
4081 11.2 2.5 .90 7.5
4386 11.05 2.1 .92 7.9
4502 10.89 2.1 .92 7.9
5000 10.92 2.8 .92 9.3
5500 10.8 4 .2 .92 11.1
5841 10.73 4.2 .92 13.9
i know i'm going to get some knock up top becuase of my stock fuel pump, but how can i eliminate some of that knock up top and how can i eliminate the knock between 4000-5500 rpm??(this was logged at a 3rd gear pull)