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Adamw last won the day on April 19

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  1. The Hella relay that this thread was about has a flywheeling diode built in and specifically states suitable for inductive loads and controlling motors. The pull-up resistor shown on the Haltech diagram is because their ECU's dont have a pull-up built-in. Ours do so you dont need that. It does not make the signal "cleaner", it is just needed when driving an solid state device to prevent a "floating input". From the few SSR's that I have played around with, the Crydom and other similar industrial ones only seem to work up to about 100-200Hz max and the controllable range of the motor seems to suffer a lot at that. The Hella one worked at 1000Hz for me, although as I said above earlier, I know another guy that had to run his at 500Hz as it got very hot at 1000Hz with a large inductive load. I would like to try one of these one day, but havent had a job for one recently: https://www.holley.com/products/nitrous/controllers_and_accessories/parts/15620NOS
  2. It may have in some old version but at least the latest one it is set to 6 events.
  3. Normally a DI needs less than 1.2V to trigger, but on the S7 plug-in DI1 and DI5 have a pair of diodes in series with the inputs which will lower the voltage by about another 1.4V each (you get about a 0.7 voltage drop across a diode). So anything less than about 2.6V it should activate. Can you explain what yours is doing - does it only activate in certain fan speed positions? Or not at all?
  4. Im not sure if it is accel enrichment in this case as at 100% TP and 5500RPM you wouldnt normally need much. However, I would set the accel hold to 6 events for a start, with it set to 2 only the first 2 cylinders will get the full enrichment.
  5. With most windows tablets screen off = Sleep.
  6. Something like this will probably get you closer.
  7. Ok, I think you will be out of luck in that case, this is not an ecu I have seen before. Someone like wiring specialities may be able to make an adapter loom if the header plug is available.
  8. Yep, if you are using modelled mode then you will want the IAT trim table to be mostly zeros with just some trim in the top right corner.
  9. Yes, pretty much the same. The conditions for GP Outputs (used for the warning light) arent quite as complete in the G4 but you will be able to acheive something similar.
  10. So there should be no difference in that case if you are comparing a G4 to a G3 with G4 firmware running the same map. All the important hardware is the same between the G3 & G4.
  11. A single screenshot does not give anywhere near enough info. You need to post a copy of your tune and preferably a PC log of it on the limiter.
  12. Did you not see the picture below in the help file? Yours doesnt seem to show that there is no limiting below the control range and that the start cut is different for WOT than smaller throttle openings.
  13. Yes the shape will be similar but the numbers will likely be quite different. The fuel table will need to be re-tuned.
  14. The GTR IAT is not a great sensor, it is a solid brass sensor and doesnt protude much into the air stream so it is quite slow to respond. Many companies sell a replacement fast response sensor that extends further into the airflow which will help. Here is one example: http://www.nzefi.com/product/fast-response-iat-sensor-r32-34-skyline-gtr-specific/ The other thing you can do is set up your IAT trim table with TP on one axis, then at small throttle openings and high IAT's, you can add fuel (or remove less). You will notice our latest GTR base map is set up this way.
  15. The Hella SSR's are quoted as being suitable for PWM of inductive loads up to 1000Hz. I have used one at 1000Hz for fuel pump control before with no drama although it was a relatively small pump. I have been working with another guy recently that is using one to drive a large solenoid operated diesel fuel pump and his was getting very hot at 1000Hz, but dropped back to 500Hz and it is happy.
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