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  1. #1

    Default Ford 5000 Engine RPM

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    Just had my simms pump rebuilt and turned up. Will turning up the pump cause the engine to turn more rpm? The tach is pegged while the throttle is wide open and the engine misfires while wide open with no load on it. Timing is set to 19 btdc.

    Thanks

  2. #2
    Veteran Member whodat526's Avatar
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    Default Re: Ford 5000 Engine RPM

    did u have the injectors rebuilt and the pressures reset on them when u did the pump and even with the pump turned up it should dont rev anymore than it did before

  3. #3

    Default Re: Ford 5000 Engine RPM

    Replaced all 4 injectors with rebuilt ones. The tractor does not miss a beat wide open going down the road high range 8th gear but the tach is showing 3000 rpm wide open. Valves, compression?

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    Veteran Member whodat526's Avatar
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    Default Re: Ford 5000 Engine RPM

    could be compression

  5. #5
    Epic Contributor Soundguy's Avatar
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    Default Re: Ford 5000 Engine RPM

    Quote Originally Posted by whodat526 View Post
    could be compression
    might be whoever rebuilt the pump dinked with the governor...

    soundguy

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    Veteran Member Jerry/MT's Avatar
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    Default Re: Ford 5000 Engine RPM

    Quote Originally Posted by browndd1 View Post
    --------------------------------------------------------------------------------

    Just had my simms pump rebuilt and turned up. Will turning up the pump cause the engine to turn more rpm? The tach is pegged while the throttle is wide open and the engine misfires while wide open with no load on it. Timing is set to 19 btdc.

    Thanks
    I'll just comment in generalities because I don't know the details of your engine and pump and this applies to a normally aspirated engine which I believe you have as the OEM in tractor..

    All "turning up" will do is raise the max fuel limit and that only works if the machine is derated (reduced max fuel flow and smaller injectors)to begin with.( an example would be the Ford 3910 vs the Ford 4610 with their 201 cu in, 3 cylinder engine). Some times you need to have bigger injectors to pass the increased flow of the pump.
    On a diesel, the limitation on max power is when the engine can't burn all the fuel that the pump is supplying. (Not withstanding any material temperature and loads limitations.) Adding more fuel only makes more unburned fuel. This shows up as black smoke in the exhaust. Increasing the rpm may help some but because the power curve (HP vs rpm) is beginning to turn flat with increasing rpm due to loss of volumetric efficiency, the incremental power improvement is less. (The pressure losses in the induction system , manifold, valves, etc are getting large and the air charge in the cylinder is not increasing very much with increasing rpm.)

    My gut feel is that your 5000 was rated at max power all ready and if you want to increase the power you'll need an after market turbo but that can back you into a whole bunch of internal engine changes to get engine life and reliability. The cheapest way to get more power when you do not have a derated engine is to buy a tractor with a bigger engine.

    As far as the missing is concerned, I would check the compression and the injection timing because that's what starts the fuel burning at the proper point in the stroke. Going down the road in high gear is not running at max power. It may be max rpm but it's not max power.

  7. #7
    Epic Contributor Soundguy's Avatar
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    Default Re: Ford 5000 Engine RPM

    yep.. adding a turbo to a 5000 changes it from a 70hp machine to something that can twist the crank off if not carefull. i've heard of 30-35hp increases.. ( befor ethe crank wrung off.. )

    soundguy

  8. #8
    Veteran Member whodat526's Avatar
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    Default Re: Ford 5000 Engine RPM

    Quote Originally Posted by Soundguy View Post
    yep.. adding a turbo to a 5000 changes it from a 70hp machine to something that can twist the crank off if not carefull. i've heard of 30-35hp increases.. ( befor ethe crank wrung off.. )

    soundguy
    u can take a turbo off of a 7000 and install it on to a 5000 and not do any damge oversees u will see many 5000 with turbos i know a guy that has three he imported from holand that has turbos

  9. #9
    Epic Contributor Soundguy's Avatar
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    Default Re: Ford 5000 Engine RPM

    Quote Originally Posted by whodat526 View Post
    u can take a turbo off of a 7000 and install it on to a 5000 and not do any damge oversees u will see many 5000 with turbos i know a guy that has three he imported from holand that has turbos
    there's adding a turbo, then ther's adding a turbo and turning it up far,

    one of the members here mentioned he did that on a 5000 and got it to dyno out at 105hp or so... shortly anyway..

    M&W were popular kits for the 5000 etc...


    soundguy

  10. #10
    Veteran Member whodat526's Avatar
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    Default Re: Ford 5000 Engine RPM

    Quote Originally Posted by Soundguy View Post
    there's adding a turbo, then ther's adding a turbo and turning it up far,

    one of the members here mentioned he did that on a 5000 and got it to dyno out at 105hp or so... shortly anyway..

    M&W were popular kits for the 5000 etc...


    soundguy
    thats just going over board if u need a 100 hp tractor u should have bought a 100hp tractor i dont like turning up pumps or adding turbos anyways if u have to do that u need a different tractor

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