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Thread: A/F gauge

  1. #1

    A/F gauge

    Is the J-pipe the only place to put a A/F reader ?
    Could you not put one on the top bend of the stock exhaust ?

    I know it can't get water but not sure if a kit will become available later to install.


  2. #2
    Site Admin Green Hulk's Avatar
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    The J pipe is the stock exhaust and yes its the only place to install it.

    http://greenhulk.net/?p=64

  3. #3
    So this is what I need ?
    http://cgi.ebay.com/ebaymotors/Innov...spagenameZWDVW

    How much is it for Nils to the mod or is he not selling the service ?
    Can midas or somewhere just tilge weld it on ?

  4. #4
    lawracing's Avatar
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    There is a inner and outer pipe from what I understand it is not a easy job. I don't think I would trust "Midas"...

  5. #5
    Is it possible to just put a A/F guage in the exhaust with it out of the water and leave it off the hose for 5-10 seconds to get a reading ?

    or is it possible to take it to autozone and have them run a test

    http://www.knfilters.com/airfuelmonitors.htm

    http://store.wpsracing.com/airamokit.html

  6. #6
    CRS's Avatar
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    You need to take your a/f readings at WOT with the ski in the water.

  7. #7
    Site Admin Green Hulk's Avatar
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    kinchyle you are joking right?

  8. #8
    I'm a newbie when it comes to engines.
    I'm learning as I go. I would have been pretty dangerous if it wasn't for this forum

    So the ONLY way to get an A/F reading is to have the J-pipe cut by a highly skilled welder and to get on the water with WOT.

    Is the wideband innovate the only system that will work with the ski or will that K&N and autometer I linked to work.

  9. #9
    Vern's Avatar
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    Having a thought ... the A/F gauge must be kept 100% dry, only exhaust, no water, so it can only be mounted in interior of the J pipe. But ... the sensor that comes stock in our waterbox is a temp sensor too that tells the ECU the temp of the exhaust/water mix coming out of our waterboxes. What I was thinking was the possibility of adding a bung (or using the existing bung if you remove your stock sensor and tie it to a cooling hose) and putting a temp sensor there that connects to a standalone temp gauge similar to the A/F sensor in a way. What we would get would NOT tell us A/F, but would tell us how hot our 'water cooled' exhaust is, and would be an indicator of how hot our engines are running, altho not as critical/valuable as an A/F sensor. A simpler, easier to install indicator of exhaust temp though ... from others experience it sounds like if the motor is running quite lean, the temp at this location definitely 'notices' and if it gets high enough, will shut the motor down, so the temps that can be measured there are possibly worth noting if someone does not want to cut/weld their J pipe. Just a thought ...

  10. #10
    Site Admin Green Hulk's Avatar
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    You are going to run out of room to put all those big round cheesy automotive style gauges. The innovate gauge is sleek and discreet and can velcro to your glove box lid and then pop right in your glove box when not in use.

    Its also worth noting that you do not even need this gauge until you add some serious power such as bigger superchargers and have the need to run programmable fuel controllers, or programmable ECU's like the Rotax Racing EMS.

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