Air Dog

Discussion in 'Volvo Forum' started by biofumes, Oct 23, 2020.

  1. biofumes

    biofumes Light Load Member

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    Feb 13, 2009
    California
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    Anyone have first hand experience running the air dog fuel system. I'm always looking at performance gains, but I don't seem to see how a lift pump provides more HP? Or would do a better job than the Davco from OEM engineers. Only interested in power gains. I run local not OTR.
    Their sites claim to idle smoother, well I need to run my truck, not idle it. So far, I can mostly see people running it on their older engines, and not on modern volvo diesels. Do you have one and maybe even had it dynod afterwards? Noticed any power gains?
     
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  3. I ran it on a modified e-model cat i had. Didn't notice any hp increase but smoother running and fuel mileage increase of about 2/10. I liked it for priming the filters.
     
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  4. biofumes

    biofumes Light Load Member

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    Did it actually help the longevity of your injectors? I'm also wondering, if volvo dealer would touch it, if we had to troubleshoot fuel issues?
     
  5. 6cuda6

    6cuda6 Light Load Member

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    Oct 9, 2020
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    I cant see how a low pressure electric pump is going to give you more power as the injectors will only provide "X" amount of fuel based on programing and air into the engine. Yes if the mechanical pump doesnt have to work as hard to deliver fuel you might see a 1/10 increase.

    You want power? Bigger turbo, bigger injectors, bigger cam, bigger exhaust and timing to match....or.....bigger motor.

    Sadly it all cost big $$ and in the end, unless the whole drivetrain is built for it you'll just break parts.

    The system your talking about will probably help with starts and idle as the fuel system will have optimum pressure.
     
  6. biofumes

    biofumes Light Load Member

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    California
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    FYI
    Spoke to three Volvo shop managers in our area. For $1500t his will only pressurize the fuel system, and mask any issues you run into with injectors. sticking to the $20 fuel water separator and running it .
     
  7. sirjeff

    sirjeff Medium Load Member

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    Kelowna, BC
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    I'm happy with my air dog unit. Been running for 2 months now on my D16.

    Join the "Volvo truck masters" group on Facebook and you'll learn all you need to know.... lots of great reviews and experiences
     
  8. sirjeff

    sirjeff Medium Load Member

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    Kelowna, BC
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    Better throttle response, consistant and smooth as silk power delivery, and definitely a little more power. Too hard to tell how much fuel I'm saving since we're changing seasons and fresh winter rubber etc. If I had an 18 speed under me there are a handful of spots in my region I would be half a gear quicker.

    My truck is happy and I'm confident it will pay for itself in 1 year.
     
  9. biofumes

    biofumes Light Load Member

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    Feb 13, 2009
    California
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    I passed that information from the masters over to our shop and two other local dealers.

    They all agreed, it will only mask injector issues.
    Lift pumps also have no control on how much fuel is being delivered to the actual injector.

    i also wanted to get it, but when more than one Volvo tech says I’ll just be wasting money, then I’ll be saving it for real upgrades.

     
  10. 6cuda6

    6cuda6 Light Load Member

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    Is there a none Facebook version? I dont do facebook.......
     
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  11. biofumes

    biofumes Light Load Member

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    This may be your only solution, do you use anything else?
     
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