Author Topic: Can anyone help me with these logs - MAF, N75 & Boost for fault finding.  (Read 2906 times)

Offline Rhyso

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Re: HELP....Problems logging MAF values. NOW WITH LOGS
« Reply #10 on: 25 May 2011, 14:42 »
Hmm your MAF figures should be INCREASING towards the redline  :shocked:

What BHP are you running approx??


Offline AaronGS

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Re: HELP....Problems logging MAF values. NOW WITH LOGS
« Reply #11 on: 25 May 2011, 14:50 »
150g/s would be about 185bhp...

Offline Rhyso

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Re: HELP....Problems logging MAF values. NOW WITH LOGS
« Reply #12 on: 25 May 2011, 14:55 »
150g/s would be about 185bhp...

187.5 bhp  :nerd: :tongue: :grin: :grin:

Highest figure is 157g/s divide by 0.8 = 196.25bhp


Offline Big Tone

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Re: HELP....Problems logging MAF values. NOW WITH LOGS
« Reply #13 on: 25 May 2011, 16:04 »
Stage one, no dyno though.

Is my n75 fooked? As this its what controls the boost spike? Which I don't have!!

Just to top it all! My water pump FAILED DOING THESE LOGS!!

Tw#t mk4!

Now added N75 duty cycle to logs.
« Last Edit: 25 May 2011, 17:20 by Big Tone »

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Offline Big Tone

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Can anyone help? Feel life burning the bit#h but I have gone too far now! :tongue:

****FOR SALE**** 11 Months MOT, 5 Months Tax - 1.8T AUM, Stage 1 map, Lowered 35mm on Jamex Springs, Smoothed Airbox, Pipercross Panel, Forge 007P, N249 Bypass, Silicon Breather Hoses,Silicon Vac Hoses, Top Mounts & Bushes All Round, Catch Can Install,  New Discs and Pads All Round, A Big Sub, A SH*TLOAD of Polishing and A Thirst For V-POWER! Profile/msg for info!

Offline bobbieboy69er

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Well.....  I had a new MAF fitted yesterday and took these readings today.

3rd Gear

Group A:   '002            Group B:   '003         
   RPM   Load   Inj. On Time   Mass Flow      RPM   Mass Flow   Load   Ign. Timing
TIME               TIME            
STAMP    /min   %    ms    g/s   STAMP    /min    g/s   %    °BTDC
0.4   1320   74.4   9.52   21.11   0   1280   5.56   2   16.5
1.2   1480   87.2   9.18   26.03   0.8   1400   23.61   78.4   6
2   1640   97   10.2   31.11   1.6   1560   28.89   87.8   9.8
2.82   1800   102.3   10.54   36.44   2.42   1720   34.06   97.3   8.3
3.83   2040   115.8   12.24   47.97   3.31   1920   40.81   100   9
4.63   2280   132.3   13.94   61.31   4.23   2160   54.08   100   5.3
5.52   2560   151.1   15.64   77.36   5.12   2440   70.72   100   3
6.34   2880   169.2   18.36   96.33   5.94   2720   86.03   100   7.5
7.14   3200   188   21.76   116.42   6.74   3040   107.11   100   3
7.94   3560   191.7   23.46   131.86   7.54   3400   125.97   100   4.5
8.75   3880   186.5   25.5   138.06   8.33   3720   137.31   100   2.3
9.65   4200   178.2   24.48   139.36   9.25   4040   142.33   100   5.3
10.56   4520   172.2   24.14   146.67   10.16   4360   147.25   100   5.3
11.36   4760   166.9   23.46   150.72   10.96   4640   150.11   99.6   7.5
12.16   5000   163.2   23.46   155.5   11.76   4920   153.81   100   9
12.98   5240   158.6   23.46   157.39   12.58   5160   157.78   100   9
13.78   5440   154.9   22.78   160.19   13.38   5360   160.22   100   9.8
14.59   5640   151.1   22.1   164.11   14.18   5560   162.81   99.6   11.3
15.39   5840   149.6   22.44   164.92   14.97   5720   163.81   99.6   10.5
16.29   6040   144.4   21.42   165.69   15.89   5960   163.08   100   8.3
17.1   6160   141.4   21.42   165.69   16.7   6080   166.25   100   9
18.01   6320   138.3   20.74   166.75   17.5   6240   167.03   100   10.5
18.8   6480   134.6   20.06   165.69   18.42   6400   167.03   100   13.5
19.61   6600   136.1   20.74   167.28   19.22   6520   167.81   99.6   14.3
20.62   6680   129.3   17.68   117.39   20.13   6640   167.22   100   14.3
21.52   5080   12   0   10.03   21.02   5960   13.11   6.7   12.8

4th Gear

Group A:   '002            Group B:   '003         
   RPM   Load   Inj. On Time   Mass Flow      RPM   Mass Flow   Load   Ign. Timing
TIME               TIME            
STAMP    /min   %    ms    g/s   STAMP    /min    g/s   %    °BTDC
0.01   1640   97.7   9.86   32.36   0.49   1720   34.69   98   12
0.89   1760   104.5   10.88   36.47   1.29   1840   38.69   100   6.8
1.71   1880   110.5   11.56   41.22   2.2   1960   44.47   100   9
2.61   2040   121.8   12.92   49.86   3.01   2120   53.64   100   6
3.41   2160   133.8   13.94   57.17   3.82   2240   62.86   100   4.5
4.32   2360   150.4   15.64   68.83   4.72   2440   74.39   100   3.8
5.23   2520   161.7   17   80.33   5.73   2640   86.67   100   6
6.12   2760   172.2   19.04   92.81   6.53   2840   99.33   100   3
6.92   2920   184.2   21.76   105.14   7.34   3040   108.92   100   3.8
7.74   3120   191.7   23.12   118.22   8.14   3240   122.64   100   1.5
8.64   3360   191.7   23.8   128.25   9.03   3480   133.19   100   2.3
9.45   3560   191.7   26.52   135.78   9.95   3680   133.61   100   2.3
10.35   3760   189.5   25.84   135.25   10.75   3840   135.92   100   5.3
11.16   3920   185   25.16   140.33   11.56   4000   142.17   100   9
11.96   4120   182.7   23.12   143.53   12.36   4160   141.19   100   7.5
12.76   4280   176.7   24.14   143.67   13.16   4360   145.22   100   5.3
13.56   4400   174.4   24.14   146.92   13.98   4480   148.81   100   8.3
14.38   4560   172.9   24.14   149.47   14.78   4640   150.39   100   10.5
15.18   4720   169.9   23.46   151.97   15.58   4760   152.97   100   7.5
15.98   4840   166.9   23.46   152.97   16.38   4880   154.22   100   7.5
16.79   4960   163.9   23.12   155.89   17.19   5000   156.31   100   9
17.59   5080   161.7   23.12   153.81   18.09   5160   158   99.6   9
18.49   5200   160.2   22.78   158.19   18.91   5280   160.75   100   9.8
19.31   5280   159.4   22.78   162.28   19.71   5360   160.78   100   12
20.11   5400   156.4   22.44   161.5   20.51   5440   164.67   100   14.3
20.91   5520   155.6   22.78   162.56   21.32   5560   164.39   99.6   11.3
21.72   5600   153.4   22.44   164.67   22.22   5640   164.47   100   9
22.63   5680   151.9   22.44   164.64   23.02   5720   166.5   100   12
23.43   5760   150.4   22.1   165.17   23.93   5840   165.17   100   8.3
24.35   5840   148.9   22.1   166.25   24.84   5880   167.33   100   12.8
25.24   5920   148.1   22.1   167.03   25.64   5960   166.75   100   14.3
26.04   6000   145.9   21.42   167.56   26.46   6040   165.17   100   12.8
26.95   6080   144.4   21.42   165.69   27.35   6080   165.94   100   13.5
27.75   6120   143.6   21.42   167.22   28.15   6160   167.03   100   15.8
28.57   6160   140.6   21.08   165.69   29.07   6200   167.56   99.6   15
29.46   6240   135.3   19.72   159.97   29.88   6240   153.39   100   20.3
30.36   6280   127.8   18.7   152.64   30.78   6280   155.67   100   18.8


Hope this can help you make sense of your readings as these should be bang on for the MAF

208ish BHP  :cool: .  My last reading was 206BHP at R-tech so its about right.
MK4 1.8T AUM|30mm Eibach Springs|Milltek cat back|4mo rear valance|pipercross filter|R-tech Stage 1 Remap|Baileys DV|Powerflex Front and Rear Bushes|312mm Front Brakes|Creation Motorsport TIP and hoses|17" TT Ronals|  220BHP

Offline Big Tone

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Cheers pal, wil have a look and compare them.

****FOR SALE**** 11 Months MOT, 5 Months Tax - 1.8T AUM, Stage 1 map, Lowered 35mm on Jamex Springs, Smoothed Airbox, Pipercross Panel, Forge 007P, N249 Bypass, Silicon Breather Hoses,Silicon Vac Hoses, Top Mounts & Bushes All Round, Catch Can Install,  New Discs and Pads All Round, A Big Sub, A SH*TLOAD of Polishing and A Thirst For V-POWER! Profile/msg for info!