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Thread: Help tuning out AFM?

  1. #11
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    It'll be quite a while, I'm on the road with my log truck, be back in later this afternoon for my youngest daughters birthday. Post it up afterward.
    Mine2001 GMC 2500HD EC/LB, D/A. 4in MBRP exhaust, AFE Stage II w/Amsoil Ea air filter, ISSPRO boost/Pyro guages, PPE Boost Valve, EFI Live V2, Maximum OD Stage 2 Trans, Amsoil throughout, AirDog150, modded intake horn.

    540HP/1056TQ
    Dyno'd Danville Performance
    April 5th 2011

    Hers: 2006 GMC Envoy XL Denali, Flowmaster 40 with a bullet style resonator in the back, EFI Live with the help of JoeCar and other great members here.

  2. #12
    Joe (Moderator) joecar's Avatar
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    No worries, take your time.


    Happy Birthday to your kid

  3. #13
    Lifetime Member minytrker's Avatar
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    Unless your driving somewhere really flat and slow DOD isn't going to help on mileage. Here with 75mph speed limits (so I drive 80-85mph) and hills it never kicks in. I can get better mileage turning it off and doing a good tune than leaving it on. Plus every vehicle I own that has DOD I had a lifter fail so I deleted the actual parts now vs in ecm only.

  4. #14
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    Being new to these engines and how they work, what causes a lifter to fail? I'm not familiar with the internals of a DOD/AFM engine.
    Mine2001 GMC 2500HD EC/LB, D/A. 4in MBRP exhaust, AFE Stage II w/Amsoil Ea air filter, ISSPRO boost/Pyro guages, PPE Boost Valve, EFI Live V2, Maximum OD Stage 2 Trans, Amsoil throughout, AirDog150, modded intake horn.

    540HP/1056TQ
    Dyno'd Danville Performance
    April 5th 2011

    Hers: 2006 GMC Envoy XL Denali, Flowmaster 40 with a bullet style resonator in the back, EFI Live with the help of JoeCar and other great members here.

  5. #15
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    Joecar, it won't let me send you the file or post it. It may be sleep deprivation since I just pulled my second 20 hour day in a row.
    Mine2001 GMC 2500HD EC/LB, D/A. 4in MBRP exhaust, AFE Stage II w/Amsoil Ea air filter, ISSPRO boost/Pyro guages, PPE Boost Valve, EFI Live V2, Maximum OD Stage 2 Trans, Amsoil throughout, AirDog150, modded intake horn.

    540HP/1056TQ
    Dyno'd Danville Performance
    April 5th 2011

    Hers: 2006 GMC Envoy XL Denali, Flowmaster 40 with a bullet style resonator in the back, EFI Live with the help of JoeCar and other great members here.

  6. #16
    Lifetime Member minytrker's Avatar
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    Quote Originally Posted by horsehaulin View Post
    Being new to these engines and how they work, what causes a lifter to fail? I'm not familiar with the internals of a DOD/AFM engine.
    Crappy design. The DOD lifters do not have very much travel in them since the part that collapses takes up 3/4 of the lifter length.

  7. #17
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    Can the same or better fuel economy be achieved with DOD/AFM disabled and the parts removed? I want longevity and economy, but I do want this thing to be Mommas little sleeper too. I already cut the muffler and resonator out, I still need to install a tube resonator for drone issues and some Dynomat. I know I need to install an intake to free up the other end still.

    Can I set up two tunes, one for a majority of our driving which is 80% city with some added power and then another for those vacation drives. Lord it would've been nice to have a DSP2 switch, LOL!
    Last edited by horsehaulin; January 27th, 2016 at 10:55 AM.
    Mine2001 GMC 2500HD EC/LB, D/A. 4in MBRP exhaust, AFE Stage II w/Amsoil Ea air filter, ISSPRO boost/Pyro guages, PPE Boost Valve, EFI Live V2, Maximum OD Stage 2 Trans, Amsoil throughout, AirDog150, modded intake horn.

    540HP/1056TQ
    Dyno'd Danville Performance
    April 5th 2011

    Hers: 2006 GMC Envoy XL Denali, Flowmaster 40 with a bullet style resonator in the back, EFI Live with the help of JoeCar and other great members here.

  8. #18
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    2006 Envoy Mod.ctz
    Quote Originally Posted by joecar View Post
    No worries, take your time.


    Happy Birthday to your kid
    Sorry its taken me so long to upload this but things were going on with the vehicle that needed to be addressed first and now that I have dealt with those issues both vehicular and family, its time to work on this tune and make this thing the way it should've been from the factory and better.
    Mine2001 GMC 2500HD EC/LB, D/A. 4in MBRP exhaust, AFE Stage II w/Amsoil Ea air filter, ISSPRO boost/Pyro guages, PPE Boost Valve, EFI Live V2, Maximum OD Stage 2 Trans, Amsoil throughout, AirDog150, modded intake horn.

    540HP/1056TQ
    Dyno'd Danville Performance
    April 5th 2011

    Hers: 2006 GMC Envoy XL Denali, Flowmaster 40 with a bullet style resonator in the back, EFI Live with the help of JoeCar and other great members here.

  9. #19
    Joe (Moderator) joecar's Avatar
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    No worries... l'll take a look later when I get home.

    ~ posted by phone ~

  10. #20
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    Just let me know what you think I should do when you have time.
    Mine2001 GMC 2500HD EC/LB, D/A. 4in MBRP exhaust, AFE Stage II w/Amsoil Ea air filter, ISSPRO boost/Pyro guages, PPE Boost Valve, EFI Live V2, Maximum OD Stage 2 Trans, Amsoil throughout, AirDog150, modded intake horn.

    540HP/1056TQ
    Dyno'd Danville Performance
    April 5th 2011

    Hers: 2006 GMC Envoy XL Denali, Flowmaster 40 with a bullet style resonator in the back, EFI Live with the help of JoeCar and other great members here.

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