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  • Sm4 nitrous control

    Hello, Is there a way to control the nitrous o/p using Tps instead of load? The fuel/ign tables are load based on this setup but if itís possible to have the nos o/p running of tps it would be great. Current setup is HSI3 i/p for nos activated and o/p 5 activates a relay for the solenoids using the settings in nos control menu.

    Thanks

  • #2
    .Cal file please
    He gets his lap dogs to do his talking for him. Buzzard is a good example.

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    • #3
      Hi Chris,
      Here you go.



      Attached Files

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      • #4
        You are referring to NOS threshold LOAD? You would prefer this to be TPS based?
        He gets his lap dogs to do his talking for him. Buzzard is a good example.

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        • #5
          Originally posted by Chris View Post
          You are referring to NOS threshold LOAD? You would prefer this to be TPS based?
          Yes. Is that possible? And still have the NOS ign retard parameter?

          Thank you.

          Comment


          • #6
            It is significantly easier to do with later firmware . However you could use a GPC, wire the output of the GPC to the input for NOS control, set the NOS load parameter to zero. Then configure the GPC including an inhibit for a switch to turn the function off.
            He gets his lap dogs to do his talking for him. Buzzard is a good example.

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            • #7
              Ok, Thank you.

              I found a couple of pages in the manual regarding GPC setup, but I have not done this before. Is there any more information i can read anywhere?

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              • #8
                Robert could do it for you. Perhaps contact him.
                He gets his lap dogs to do his talking for him. Buzzard is a good example.

                Comment


                • #9
                  Ian has pointed out to me, (quite correctly) that many of the outputs can be selected directly in the I/P Switches menu. This would remove the need to physically link an output to an input with a wire.

                  I have attached a basic configured .cal file, however YOU MUST VERIFY correct operation and adjust parameters to suit the required operation.
                  Attached Files
                  Last edited by Chris; June 12th, 2019, 04:50 PM.
                  He gets his lap dogs to do his talking for him. Buzzard is a good example.

                  Comment


                  • #10
                    Hello again Chris,
                    Trying to understand what you did here: My Nos activation switch activates HSI3 and GPC1, when i reach in this case 20.1% throttle opening and 4000rpm O/P NOS parameters become active. Is this correct?

                    Thank you very much for great help. I have a indication light for when the nos relay is active so i can unplug the solenoids and dry run the car with this setup for verification.

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                    • #11
                      With the GPC, the switch in the off position inhibits the output, that is sets the GPC output to zero or off.

                      20.1% throttle opening and 4000rpm O/P NOS parameters become active is correct. You can set the GPC parameters to suit your requirements.Let me know how it works.
                      He gets his lap dogs to do his talking for him. Buzzard is a good example.

                      Comment


                      • #12
                        Originally posted by Chris View Post
                        With the GPC, the switch in the off position inhibits the output, that is sets the GPC output to zero or off.

                        20.1% throttle opening and 4000rpm O/P NOS parameters become active is correct. You can set the GPC parameters to suit your requirements.Let me know how it works.
                        Ok great!

                        Yes iíll let you know the results. Hopefully this weekend.

                        And again. Thank you
                        Great help.

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