Recent content by jnissen

  1. J

    Saving deeply discharged Optima 51R's

    Good luck but I’ve had very little success bringing a battery that deeply discharged back to life. Search online as Optima has a section specifically on deeply discharged AGM batteries. Has 3 options on how to recover the batt. Sent from my iPhone using Tapatalk
  2. J

    Happy 2020 Steel Soldiers

    In Sent from my iPad using Tapatalk
  3. J

    MV of the year 2019

    A better picture of November is attached. Sent from my iPad using Tapatalk
  4. J

    MTVR CTIS problem

    Most analog sensors produce a voltage that is read by the ECU. Normally these are a high input impedance looking in. As a result the currents are very low. Online resistance is essentially a don’t care in that type of setup. As long as you get the voltage required and the harness is capable of...
  5. J

    Drove the old XM211 to Cars and Coffee for the first time.

    Very nice. Glad you didn’t have any major drama on this outing! Sent from my iPhone using Tapatalk
  6. J

    M38A1- Need engine rebuild advice

    So timing is OK and did you adjust idle mixture screw. I typically adjust in till RPM just starts to fall then back out about 1/8. I bet you have fuel delivery issues. At higher RPM the pump needs to deliver a lot more fuel. Your needle, carb bowl , and of course the main jet need to be clear...
  7. J

    Arduino 4L80e controller

    Hardware interrupts will be your friend for all the pulse inputs and such. Avoid blocking code by trying to sample the inputs. Ideally put everything off a timer interrupt and service the various inputs/ outputs, if any, within the time period you allocate. Not sure how many embedded projects...
  8. J

    Steel Soldiers MV of the month 2019 - November VOTE HERE!

    Thank you all who voted. I’m honored. Yes the choices were amazing as all the vehicles were outstanding. Sent from my iPhone using Tapatalk
  9. J

    Arduino 4L80e controller

    I believe he’s just offering a commercial alternative. The headaches have already been encountered so there is a dollar amount for that! I encourage you to go down the DIY path but in my opinion most DIY efforts often fall short. Not a reflection of you. Just in general I’ve seen few be as...
  10. J

    Arduino 4L80e controller

    Yeah good idea to validate on the bench first. If you have some experience with the Arduino then consider an ESP 8266 or ESP 32 for the controller. A lot faster and allows for WiFi and or Bluetooth control (in 32). After you have it in the vehicle you will want to tailor limits, observe...
  11. J

    Arduino 4L80e controller

    I see a few others have tried to use an Arduino to control the transmission. I only caution you to filter your inputs both electrically and digitally (average readings). I’m a 30 year electrical engineer and have done plenty of Arduino projects. If this is your first or second project you will...
  12. J

    M38A1- Need engine rebuild advice

    Under load popping is indicating weak spark. Verify all your plugs and wires are in good shape. A faulty cap and rotor can cause this as well. Once you fixed the vacuum leak did you readjust the idle mixture screw? It will pop primarily when you let off throttle if mixture is off. Sent...
  13. J

    Ignition Security

    Sorry to post to an old thread but I added a GPS tracker to a vehicle recently. Used one of these: https://www.amazon.com/gp/product/B07T8938RY/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1 Along with a SIM from TruPhone. Only about 9 cents a day to self monitor. Same type of geo fence and...
  14. J

    Steel Soldiers MV of the month 2019 - November VOTE HERE!

    Adding a few more pics.
  15. J

    Steel Soldiers MV of the month 2019 - November VOTE HERE!

    Calling all the LoneStar MVPA members to vote #3!
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