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Thread: Ideal AFR for highway cruising for economy

  1. #11
    Expert johno90's Avatar
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    Check your float levels :P
    For a carby rb30 for good eco and running you should be around:
    Idle- 14:1
    Cruise:14.3-16:1 Depending on what your motor can take
    WOT:12.8:1

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    dom14 (17th April 2017)

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  4. #12
    Legendary dom14's Avatar
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    Quote Originally Posted by johno90 View Post
    Check your float levels :P
    For a carby rb30 for good eco and running you should be around:
    Idle- 14:1
    Cruise:14.3-16:1 Depending on what your motor can take
    WOT:12.8:1
    Yeah, I adjusted the float to be around quarter of the sight glass, which improved the mixture "super" rich issue, but it's still too rich.
    Soot build up is way way too much inside the combustion chamber.

    Now, I have a real PITA problem with the Innovate MTX-L wideband gauge.
    The damn thing won't work with the software.
    I need to change the fuel type to LPG, so I can tune the LPG system, but still haven't been able to do that.
    RB30, some 2-3 inch lift auxiliary LPG tanks
    Few more mods on the way
    http://www.worldwildlife.org/species/tiger
    https://www.panthera.org/
    Cheetah Outreach

  5. #13
    Expert johno90's Avatar
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    What carb is it running? Stock or something else?

    Sent from my SM-G935F using Tapatalk

  6. #14
    Legendary dom14's Avatar
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    I bought a USB to Serial adapter to use the Innovate gauge with a windows 7 machine.

    At this stage I dunno whether it's a software issue or an adapter issue.
    Either way I'm getting the below message.
    The software( LM Programmer ) won't recognize the gauge at all.
    I assumed the sensor need connected, so I plugged the sensor into the gauge as well.
    I powered the gauge using a 12v battery.
    Everything was done according to the guide in the manual.

    Since my windows 7 desktop hasn't gota serial port, I used a USB to serial converter adapter, as guided by the user manual.
    The adapter was a good quality one from Officeworks.

    This is really frustrating.

    If I knew any better, I would NOT have bought this particular gauge, and instead would've bought a one that doesn't need a PC connection to change the fuel type. It's too late now.
    Attached Images Attached Images
    RB30, some 2-3 inch lift auxiliary LPG tanks
    Few more mods on the way
    http://www.worldwildlife.org/species/tiger
    https://www.panthera.org/
    Cheetah Outreach

  7. #15
    Expert johno90's Avatar
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    Typical usb adapter. Boot the computer up with forced hardware signature disabled then plug in adapter. Then power up the gauge. Then open the program.

    Sent from my SM-G935F using Tapatalk

  8. #16
    Legendary dom14's Avatar
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    Quote Originally Posted by johno90 View Post
    Typical usb adapter. Boot the computer up with forced hardware signature disabled then plug in adapter. Then power up the gauge. Then open the program.
    Windows 7 is not detecting the adapter or the gauge, at all.
    RB30, some 2-3 inch lift auxiliary LPG tanks
    Few more mods on the way
    http://www.worldwildlife.org/species/tiger
    https://www.panthera.org/
    Cheetah Outreach

  9. #17
    Expert johno90's Avatar
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    Yes.... try booting up with hardware sig disabled. Its a windows 7 and on security thing. Even if its plugged in windows will disable it and shut it down. You have to disable it to let the chip run. Smash the f8 button when u boot ur computer and it will give u options for startup pretty sure its the last one

    Sent from my SM-G935F using Tapatalk

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    dom14 (17th April 2017)

  11. #18
    Legendary dom14's Avatar
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    Quote Originally Posted by johno90 View Post
    Yes.... try booting up with hardware sig disabled. Its a windows 7 and on security thing. Even if its plugged in windows will disable it and shut it down. You have to disable it to let the chip run. Smash the f8 button when u boot ur computer and it will give u options for startup pretty sure its the last one

    Sent from my SM-G935F using Tapatalk
    Finally, got it going mate.
    The damn adapter was stuffed, hence the reason for windows for not detecting the adapter at all.
    I got it replaced & still it took quite a bit of fiddling for the driver to get to work.
    Absolute PITA these wideband gauges that need PC connection with PITA adapters to do something simple like switching the fuel type.
    Never again I would buy something like this without doing some homework on it.
    RB30, some 2-3 inch lift auxiliary LPG tanks
    Few more mods on the way
    http://www.worldwildlife.org/species/tiger
    https://www.panthera.org/
    Cheetah Outreach

  12. #19
    Patrol Guru
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    Would hate to think what mine is running at. Can smell the fuel out the exhaust at idle haha. When I turn the idle mixture screwn, nothing happens, it never seems to seat - I'm guessing something is broken.

    But, it keeps running and I don't have the time to strip it, or the money to pay someone to do it, so I've just gotten used to that lovely petrol smell at idle :P

  13. #20
    Patrol Freak garett's Avatar
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    nothing better than that petrol smell in the morning...

    the old laser i had you could smell the petrol in the car behind...
    if its worth doin its worth over doin

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