Under what conditions do the P2 injectors start flowing?
#1
I divide by zero
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Under what conditions do the P2 injectors start flowing?
At what RPM and/or load do the P2 actually come on?
-Meant P2s not secondaries
-Meant P2s not secondaries
Last edited by Mawnee; 02-18-2010 at 02:38 PM.
#3
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hmmm... My car is running crazy lean with my new MAF scale if I give it any gas below 4k RPM. I shouldn't have to scale my Primary injectors to get my MAf right....
#4
Boosted Kiwi
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have a look at this log - it shows the secondaries coming on at 3372 20%DC not sure what the load was
Edit -*this is the secondaries not the P2s
3213 RPM 0.2 "Hg 13.1:1 A/F 33% TPS 5.00V MAP IN 5.00V AFM IN 0.0% DC OUT 0.00ms 0% FUEL 0 IGN 0.0%
3233 RPM 0.1 PSI 13.1:1 A/F 34% TPS 5.00V MAP IN 5.00V AFM IN 0.0% DC OUT 0.00ms 0% FUEL 0 IGN 0.0%
3235 RPM 0.4 PSI 13.1:1 A/F 40% TPS 5.00V MAP IN 5.00V AFM IN 0.0% DC OUT 0.00ms 0% FUEL 0 IGN 0.0%
3244 RPM 0.9 PSI 13.1:1 A/F 49% TPS 5.00V MAP IN 5.00V AFM IN 0.0% DC OUT 0.00ms 0% FUEL 0 IGN 0.0%
3275 RPM 1.1 PSI 12.3:1 A/F 58% TPS 5.00V MAP IN 5.00V AFM IN 0.0% DC OUT 0.00ms 0% FUEL 0 IGN 0.0%
3295 RPM 1.5 PSI 12.3:1 A/F 66% TPS 5.00V MAP IN 5.00V AFM IN 0.0% DC OUT 0.00ms 0% FUEL 0 IGN 62.1%
3316 RPM 1.8 PSI 12.3:1 A/F 72% TPS 5.00V MAP IN 5.00V AFM IN 0.0% DC OUT 0.00ms 0% FUEL 0 IGN 62.1%
3333 RPM 1.9 PSI 12.3:1 A/F 84% TPS 5.00V MAP IN 5.00V AFM IN 0.0% DC OUT 0.00ms 0% FUEL 0 IGN 62.1%
3347 RPM 2.3 PSI 11.5:1 A/F 92% TPS 5.00V MAP IN 5.00V AFM IN 0.0% DC OUT 0.00ms 0% FUEL 0 IGN 62.1%
3357 RPM 2.5 PSI 11.5:1 A/F 95% TPS 5.00V MAP IN 5.00V AFM IN 0.0% DC OUT 0.00ms 0% FUEL 0 IGN 62.1%
3372 RPM 2.8 PSI 11.5:1 A/F 95% TPS 5.00V MAP IN 5.00V AFM IN 20.4% DC OUT 3.60ms 0% FUEL 0 IGN 62.1%
3413 RPM 3.2 PSI 11.5:1 A/F 93% TPS 5.00V MAP IN 5.00V AFM IN 21.0% DC OUT 3.68ms 0% FUEL 0 IGN 62.1%
3389 RPM 3.4 PSI 11.0:1 A/F 96% TPS 5.00V MAP IN 5.00V AFM IN 21.8% DC OUT 3.86ms 0% FUEL 0 IGN 62.1%
3445 RPM 3.7 PSI 11.0:1 A/F 97% TPS 5.00V MAP IN 5.00V AFM IN 22.7% DC OUT 3.95ms 0% FUEL 0 IGN 62.1%
3489 RPM 4.1 PSI 11.0:1 A/F 93% TPS 5.00V MAP IN 5.00V AFM IN 23.4% DC OUT 4.02ms 0% FUEL 0 IGN 62.1%
3478 RPM 4.3 PSI 11.0:1 A/F 93% TPS 5.00V MAP IN 5.00V AFM IN 23.5% DC OUT 4.06ms 0% FUEL 0 IGN 62.1%
3470 RPM 4.6 PSI 10.6:1 A/F 96% TPS 5.00V MAP IN 5.00V AFM IN 24.1% DC OUT 4.14ms 0% FUEL 0 IGN 62.1%
3547 RPM 4.8 PSI 10.6:1 A/F 94% TPS 5.00V MAP IN 5.00V AFM IN 25.1% DC OUT 4.24ms 0% FUEL 0 IGN 62.1%
Edit -*this is the secondaries not the P2s
3213 RPM 0.2 "Hg 13.1:1 A/F 33% TPS 5.00V MAP IN 5.00V AFM IN 0.0% DC OUT 0.00ms 0% FUEL 0 IGN 0.0%
3233 RPM 0.1 PSI 13.1:1 A/F 34% TPS 5.00V MAP IN 5.00V AFM IN 0.0% DC OUT 0.00ms 0% FUEL 0 IGN 0.0%
3235 RPM 0.4 PSI 13.1:1 A/F 40% TPS 5.00V MAP IN 5.00V AFM IN 0.0% DC OUT 0.00ms 0% FUEL 0 IGN 0.0%
3244 RPM 0.9 PSI 13.1:1 A/F 49% TPS 5.00V MAP IN 5.00V AFM IN 0.0% DC OUT 0.00ms 0% FUEL 0 IGN 0.0%
3275 RPM 1.1 PSI 12.3:1 A/F 58% TPS 5.00V MAP IN 5.00V AFM IN 0.0% DC OUT 0.00ms 0% FUEL 0 IGN 0.0%
3295 RPM 1.5 PSI 12.3:1 A/F 66% TPS 5.00V MAP IN 5.00V AFM IN 0.0% DC OUT 0.00ms 0% FUEL 0 IGN 62.1%
3316 RPM 1.8 PSI 12.3:1 A/F 72% TPS 5.00V MAP IN 5.00V AFM IN 0.0% DC OUT 0.00ms 0% FUEL 0 IGN 62.1%
3333 RPM 1.9 PSI 12.3:1 A/F 84% TPS 5.00V MAP IN 5.00V AFM IN 0.0% DC OUT 0.00ms 0% FUEL 0 IGN 62.1%
3347 RPM 2.3 PSI 11.5:1 A/F 92% TPS 5.00V MAP IN 5.00V AFM IN 0.0% DC OUT 0.00ms 0% FUEL 0 IGN 62.1%
3357 RPM 2.5 PSI 11.5:1 A/F 95% TPS 5.00V MAP IN 5.00V AFM IN 0.0% DC OUT 0.00ms 0% FUEL 0 IGN 62.1%
3372 RPM 2.8 PSI 11.5:1 A/F 95% TPS 5.00V MAP IN 5.00V AFM IN 20.4% DC OUT 3.60ms 0% FUEL 0 IGN 62.1%
3413 RPM 3.2 PSI 11.5:1 A/F 93% TPS 5.00V MAP IN 5.00V AFM IN 21.0% DC OUT 3.68ms 0% FUEL 0 IGN 62.1%
3389 RPM 3.4 PSI 11.0:1 A/F 96% TPS 5.00V MAP IN 5.00V AFM IN 21.8% DC OUT 3.86ms 0% FUEL 0 IGN 62.1%
3445 RPM 3.7 PSI 11.0:1 A/F 97% TPS 5.00V MAP IN 5.00V AFM IN 22.7% DC OUT 3.95ms 0% FUEL 0 IGN 62.1%
3489 RPM 4.1 PSI 11.0:1 A/F 93% TPS 5.00V MAP IN 5.00V AFM IN 23.4% DC OUT 4.02ms 0% FUEL 0 IGN 62.1%
3478 RPM 4.3 PSI 11.0:1 A/F 93% TPS 5.00V MAP IN 5.00V AFM IN 23.5% DC OUT 4.06ms 0% FUEL 0 IGN 62.1%
3470 RPM 4.6 PSI 10.6:1 A/F 96% TPS 5.00V MAP IN 5.00V AFM IN 24.1% DC OUT 4.14ms 0% FUEL 0 IGN 62.1%
3547 RPM 4.8 PSI 10.6:1 A/F 94% TPS 5.00V MAP IN 5.00V AFM IN 25.1% DC OUT 4.24ms 0% FUEL 0 IGN 62.1%
Last edited by Brettus; 02-18-2010 at 02:31 PM.
#21
Boosted Kiwi
iTrader: (2)
Yes
No
It's enough to bring the 290cc P1s to 90% duty cycle just before the next stage kicks in .
Here is a log of the P1s - not quite 90% but very close
Injectors were 290/380/480 and boost reached 10psi by around 3500rpm
No
It's enough to bring the 290cc P1s to 90% duty cycle just before the next stage kicks in .
Here is a log of the P1s - not quite 90% but very close
Injectors were 290/380/480 and boost reached 10psi by around 3500rpm
Last edited by Brettus; 02-28-2010 at 12:57 PM.
#22
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I dont think I'll ever get used to the staged injectors and intake on this car. I know to some of you guys its second nature, but for me I have to think about it every time I look at it.
#23
Boosted Kiwi
iTrader: (2)
A lot of people seem to have issues when using extra large P2s .
I don't fully understand the reasons but it does seem to be a common theme to me. Scaling errors , Latency differences too much flow difference between large and small making staging an issue
Tuning with smaller OEM mazda injectors seems to be relatively easy by comparison .
I don't fully understand the reasons but it does seem to be a common theme to me. Scaling errors , Latency differences too much flow difference between large and small making staging an issue
Tuning with smaller OEM mazda injectors seems to be relatively easy by comparison .
Last edited by Brettus; 02-28-2010 at 02:20 PM.