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  1. #1
    New Member
    Join Date
    Dec 2011
    Posts
    17
    Tractor
    John Deere 4050. 6130d

    Default Injector pump question

    Installed a new injector pump about a month back or so. You guys helped a lot on that. Got another question. My tractor is a 1985 4050 with a 466 non turbo motor. It has a stanadyne rotary pump. What could I expect to gain if I turned it up. I have been told that I can turn it up 10%. What effects will it have on the motor if I turn it up. Just wondering. Any input would be great

  2. #2
    Veteran Member kuboman's Avatar
    Join Date
    Dec 2009
    Posts
    2,195
    Location
    Canada
    Tractor
    B3200, L5740,

    Default Re: Injector pump question

    Quote Originally Posted by Ben Hucks View Post
    Installed a new injector pump about a month back or so. You guys helped a lot on that. Got another question. My tractor is a 1985 4050 with a 466 non turbo motor. It has a stanadyne rotary pump. What could I expect to gain if I turned it up. I have been told that I can turn it up 10%. What effects will it have on the motor if I turn it up. Just wondering. Any input would be great
    Does the motor smoke any now under heavy load? If you are reasonable with the adjustment you will gain some hp. If there is no or very light haze under load then I would turn it till you get some smoke. After that you will need to be careful as you can get some high exhaust temps.
    Another option is to add a turbo charger. Just buy the kit for 4250 tractor.
    L5740 LA854 loader
    L3130 LA723 loader sold
    B3200 LA504 loader
    B1550 sold
    B2620 sold
    B4200 sold
    F2680E
    ZD1211
    GF1800 sold
    Kubota RTV900
    JD 850D Gator sold
    JD F935 x 2 sold
    Case 590SM-2
    JD 310D TLB sold
    Ford 555D sold
    Gehl 602 excavator sold
    JD317 sold
    JD323D

  3. #3
    Platinum Member
    Join Date
    Feb 2011
    Posts
    828
    Tractor
    Furakawa 351

    Default Re: Injector pump question

    You have a 27 year old tractor. I take it, that it works OK adding extra fuel, can severely damage a lot of things, besides just the engine.
    I would leave it stock, and have a long happy life, get the nozzles tested, that will give you efficiency.

  4. #4
    Veteran Member kuboman's Avatar
    Join Date
    Dec 2009
    Posts
    2,195
    Location
    Canada
    Tractor
    B3200, L5740,

    Default Re: Injector pump question

    The 4050 is about 100 hp so a 10% increase will not hurt the engine or the tractor. They regularly come from the factory 10% over.
    L5740 LA854 loader
    L3130 LA723 loader sold
    B3200 LA504 loader
    B1550 sold
    B2620 sold
    B4200 sold
    F2680E
    ZD1211
    GF1800 sold
    Kubota RTV900
    JD 850D Gator sold
    JD F935 x 2 sold
    Case 590SM-2
    JD 310D TLB sold
    Ford 555D sold
    Gehl 602 excavator sold
    JD317 sold
    JD323D

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