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paulr33 last won the day on July 4 2019

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About paulr33

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  1. Have you tried changing the pre fuel mode from pre crank to key-on? I had to do this on my 2.3L evo. If you set the method to key-on the ECU pumps in fuel when you key-on (not start) and gives the system enough time to prime and get ready. Then after 2 seconds at key-on, turn key to start and it should start first shot
  2. Can you use an accelerometer instead to detect lateral movement beyond a fixed value when standing still That’s what the Apexi RSM uses , a wired in g-sensor to detect when the car isn’t moving to trigger the “READY” sequence then any lateral movement starts the timer. You could use the same concept using a g-sensor
  3. The factory 26 setup runs twin narrowband and its probably like that for a reason but I’m sure many have done single wideband after the dump pipe. Do you want to be able to independently tune the banks based on their AF/R’s , I.e if you see the last 3 last richer than the first 3 then yes you would need two seperate wideband sensors to give you that level of granularity input. Otherwise an average AF/R is probably ok. I’m sure there are wideband controllers that support dual inputs and provide dual 5v seperate signal outputs which is what you would need if you want to run dual wideband, plus don’t forget you’ll consume an additional analog input on your ECU input so check if you have enough spare inputs as well If in doubt check on skylinesaustralia.com someone would have done on there for sure
  4. There’s no way to add them. The expansion kit supports but the main board doesn’t have the inputs so it doesn’t appear in the menu. V44 limitation. I’ve got the same problem, v44 on an evo 8 and ran out of inputs - even with the expansion loom
  5. Make sure you check what ECU plug type you have in the car as some evo 8’s have 3 pin block and some have 4 pin blocks. For example, my evo 8 runs the evo 9 vipec because of the plug layout. I think it’s 3 pin blocks whereas the one you have is 4 pin blocks so check what your car has if it’s an evo 8
  6. Hi team, I’ve noticed the v44 has its own global variables that are saved when the car is off. I.e engine starts, knock count etc. is there a way to make your own variable? i want to keep track off I/C spray run time, I.e how many seconds the I/C spray has been used for
  7. What I did with my evo vipec v44 was u brought another v44 with a higher than 10,000 serial number and then sold my old unit on eBay. This saves you going without an ECU
  8. paulr33

    programmable logic

    I didn’t have any issues with speed and always had fast updates on my display. The problem with my setup was when I needed to change something on the display I had to put it all apart and plug it into the PC seperately to update the 4D systems screen and then the arduino code seperately and also the screen would drop out and flicker because the wiring was always loose from the plugs. The plex usdm is a commercial solution and I can change the scenes and layouts and customise to my hearts content while sitting in the car via USB on the side of the display.
  9. paulr33

    programmable logic

    Good work. I ended up going for a plex usdm but making the arduino CAN display did help me learn it all and how it works which was good fun
  10. I still think you’ll find the tablet a half bake setup where to have to press buttons every time or wake it up each time or load software. Hope it all goes well but from making my own CAN display to using an as-built one (the plex uSDM) the commercial product is a million times better. Means I can focus more on tuning the car and not troubleshooting display issues
  11. The problem you’ll find is that it will eventually cost you more in connectors and other bits and you’ll have to solve a heap of problems such as standby, powering on etc and customisation. i made my own CANBUS display thinking it was going to be cheap ended up about $300+ and it still had issues and the plex uSDM 102 is $750 AUD (non pro version) so stuffing around with a tablet or display is pointless. Have you tried reading data from a tablet at an angle in your car while driving? I bet you can’t even read it based on the angle and display type. just trying to save you from re-inventing the wheel
  12. Plex usdm 102 and be done with it, no need for any displays or tricks. Just raw CAN and fully customisable. I did a thread on it the Vipec section
  13. Is there a recommended rpm I should be travelling at when I do gear ratio calc in each gear? Evo 8 runs 6 speed close ratio and currently I get quiet a bit of “gear 0” in my logs. I’ll re do all calcs in every gear from scratch, I was thinking 3500rpm in every gear when I do calibrate ? also for the onboard boost control is there a specific solenoid you recommend? I have an eBoost2 and want to use per-gear control so can I re-use that solenoid or should I get a new Vipec compatible one? The wire to the ecu “aux 2” on my v44 evolution 9 is this a Switched ground to the solenoid?
  14. ok ive found the issue, its how its calculating per cyclinder and the overall aggregate, see below. it says global level is 0 but it shows numbers per cyclinder still ill do some work on this tonight and see what the issue is, thanks for your help
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