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Thread: 440ex soon to be dyno tuned by mobile dyno

  1. #1
    Join Date
    Dec 2005
    Location
    maryland
    Posts
    133

    440ex soon to be dyno tuned by mobile dyno

    i have a 400ex with a 440 kit just rebuilt with a 12.5.1 wiseco piston ported poilshed head stage 2 hot cam rev box fatboy 4 full exhaust and doug eichner 440 carb also. dyno numbers will be posted after it is done what kind of numbers should i expect

  2. #2
    Join Date
    Nov 2005
    Location
    Chandler, AZ
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    4,021
    Regular tires or dyno tires?

    I'll guess 40 hp with regular tires--just a guess.

  3. #3
    Join Date
    May 2005
    Location
    Canada
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    577
    We have build a setup like yours today at the shop.Here the mods and the HP :

    440ex Wiseco 12.5:1
    Webcam
    HD Spring Valves
    carb
    Pipe
    K&N filter
    open box
    Stock CDI box

    This bike made 45hp 33lbs torque with a too rich pilot jet.That was made on pump gaz.

    The bike run great on 91 octane gaz!!With u4,you can have a 2-3hp gain!!

    I will try to get a copy of the dyno graph
    08 Suzuki LTR450R, Yosh/ProTaper/ASV/Douglas/Fox Shocks/AtvFourPlay/Factory 43/

  4. #4
    Join Date
    Sep 2004
    Location
    Virginia
    Posts
    665
    ^^^I would like to see the graphs. I will post graphs of 400 00 hp from sunday. He made 40hp with 28tq. If you have the same mods then your close to him. The Doug Eichner Carb is still 38mm bore so that didn't help anything. Althought I would Like to try a STG 3 web in my 440. I may test some cams. I am getting 42 with my 440 and I have a XC Cam in. Nothing Agressive. Please post graph. I would like to see it.
    Precision Motorsports
    Mobile Dyno Services
    www.precision-ms.com
    ------------------------------

    My 440ex Mods: 12:5 Comp, White Bros. XC Cam, DRG Ported Head, DRG EXR Prototype Filter, Airbox Lid Off, 450r Carb, LRD Pro 4 Ballistic Full Exhaust...
    *Jetting: 3 turns out on the Mixture Screw, 48 pilot, Needle in the 3rd from top, and a DJ 170main*
    -----------------------------------------------
    Up to 42hp-30tq and For Sale*** Time for a new project!!

  5. #5
    Join Date
    Nov 2005
    Location
    Chandler, AZ
    Posts
    4,021
    Originally posted by FoxMxRiders
    We have build a setup like yours today at the shop.Here the mods and the HP :

    440ex Wiseco 12.5:1
    Webcam camshaft stage 3
    Kibblewhite HD Spring Valves
    Port and polish
    FCR41 carb
    CT Racing Pipe with all disk off
    K&N filter
    open box
    Stock CDI box

    This bike made 45hp 33lbs torque with a too rich pilot jet.That was made on pump gaz.

    The bike run great on 91 octane gaz!!With u4,you can have a 2-3hp gain!!

    I will try to get a copy of the dyno graph
    I'd like to see the graph too. 12.5:1 on pump gas?? Something isn't adding up....

  6. #6
    Join Date
    Sep 2004
    Location
    Virginia
    Posts
    665
    I know. 12:5 has to have atleast 50/50 mix of 110/93 to run properly. IMO he isn't getting 45hp, but I would like to see proof. The graphs will tell. I am running 12:5 comp. om my 440 and I was running 50/50. I just want to 100% cam2. I just had to change my jetting for it. Picked up some to. I have alot of mods done to mine and I'm at 42hp. A better cam for me will tell if I can get 45. I have mild componets. I know the DRG porting is better than the porting than he's got.
    Precision Motorsports
    Mobile Dyno Services
    www.precision-ms.com
    ------------------------------

    My 440ex Mods: 12:5 Comp, White Bros. XC Cam, DRG Ported Head, DRG EXR Prototype Filter, Airbox Lid Off, 450r Carb, LRD Pro 4 Ballistic Full Exhaust...
    *Jetting: 3 turns out on the Mixture Screw, 48 pilot, Needle in the 3rd from top, and a DJ 170main*
    -----------------------------------------------
    Up to 42hp-30tq and For Sale*** Time for a new project!!

  7. #7
    Join Date
    May 2005
    Location
    Canada
    Posts
    577
    The guy that pass it on the dyno said that was on pump gaz.

    I will try to have a copy of the dyno graph,scan it and show it to you

    But I see the graph and that's amazing
    08 Suzuki LTR450R, Yosh/ProTaper/ASV/Douglas/Fox Shocks/AtvFourPlay/Factory 43/

  8. #8
    Join Date
    May 2005
    Location
    Canada
    Posts
    577
    I make a mistake,that is not the setup that I said.The bike that I said the mods are not working now but the bike that I was talking that make 45hp,its another one.I will post the dyno result in another thread with amazing gain!!!
    08 Suzuki LTR450R, Yosh/ProTaper/ASV/Douglas/Fox Shocks/AtvFourPlay/Factory 43/

  9. #9
    Join Date
    Sep 2004
    Location
    Virginia
    Posts
    665
    I am sorry for taking so long to post this. I have been SO Busy. Here is 440 00 graphs. I am posting these in Rpm and speed.
    Attached Images Attached Images
    Precision Motorsports
    Mobile Dyno Services
    www.precision-ms.com
    ------------------------------

    My 440ex Mods: 12:5 Comp, White Bros. XC Cam, DRG Ported Head, DRG EXR Prototype Filter, Airbox Lid Off, 450r Carb, LRD Pro 4 Ballistic Full Exhaust...
    *Jetting: 3 turns out on the Mixture Screw, 48 pilot, Needle in the 3rd from top, and a DJ 170main*
    -----------------------------------------------
    Up to 42hp-30tq and For Sale*** Time for a new project!!

  10. #10
    Join Date
    Sep 2004
    Location
    Virginia
    Posts
    665
    Speed. Remember this is with 18" dyno slicks. Nice power 440 00
    Attached Images Attached Images
    Precision Motorsports
    Mobile Dyno Services
    www.precision-ms.com
    ------------------------------

    My 440ex Mods: 12:5 Comp, White Bros. XC Cam, DRG Ported Head, DRG EXR Prototype Filter, Airbox Lid Off, 450r Carb, LRD Pro 4 Ballistic Full Exhaust...
    *Jetting: 3 turns out on the Mixture Screw, 48 pilot, Needle in the 3rd from top, and a DJ 170main*
    -----------------------------------------------
    Up to 42hp-30tq and For Sale*** Time for a new project!!

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