Cat injectors

Discussion in 'Trucks [ Eighteen Wheelers ]' started by morehp, Nov 13, 2012.

  1. SmokinCAT

    SmokinCAT Road Train Member

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    When you switch to a set of balanced injectors they flow within a certain percentage of each other and can be ran with the same trim number. I doubt that the trims that were used were that close together as the 5232 or 6999, maybe one of them was the high trim number and I am sure the low one was one that nobody hardly ever uses.
     
  2. morehp

    morehp Medium Load Member

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    First of all I would like to Thank Real Deal (Teddy) for the co-operation with the testing of these in the USA. your efforts with testing these is greatley appreciated by the key people involved in getting them to you, I look foward to working with you to achieve the results we are after.
     
  3. morehp

    morehp Medium Load Member

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    Teddy was supplied with this set of injectors that flow between 2113023 and 2113024 he was supplied with 24 DIFFERENT trim numbers, I can garentee you 5232 or 6999 was not in this list, each injector has 4 indavidual trim numbers for the 4 levels of flow that it will evenly deliver along with its neighbour in the next hole and so on. untill you have 6 injecors perfectly flowing the same amount of fuel,

    This is where the smooth idle and even cylender temps comes from.

    The injectors that were tested first all had the same trim number as they are not supplied with a trim that the ecm will take.

    But I will say that they do flow a bit more than a standard 2113023 and in my opionion are a pretty good bang for bucks and Teddy must have got a good set from a good supplier.

    The ecm was not touched between the 3 different runs apart from changing the trim numbers between high and low trims, we wont say to mutch about the ECM programming apart from there is alot of room to move on that side.


    We noticed a difference of 72 RWHP between the high and low trims, if you do the math that is roughly 85 FWHP, I saw a bit more than this but similar results on an engine dyno aprox 3 years ago

    Massive HP was not the goal and We are more interested in fuel useage data and will be monitoring this over the next month or two.

    Well there you go ladies and gentlemen finaly some real world testing for everyone to think about.

    ENJOY
     
    Cat sdp Thanks this.
  4. morehp

    morehp Medium Load Member

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    We can see from the dyno results that the tips are sized pretty close to what IPD use for there 57s,
    There is room to move with bigger tips to match other sized injectors

    Thanks
     
  5. Mr. Haney

    Mr. Haney Road Train Member

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    A lot of people are not going to understand this

    The actual trim number on the injector becomes a serial number. You use this to create a cheat sheet for the different flow ratings at different trim calibrations for each injectors


    [​IMG]
     
    HISPEED428 and BullDoggin Thank this.
  6. Gear head

    Gear head Medium Load Member

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    Now that is a balanced set of injectors.
     
  7. Real Deal

    Real Deal Medium Load Member

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    Update on the Force Injectors. After installing the injectors I got from Hayden I have only made one 1400 mile run with it. The truck now has a different file in the ECM than I normally run so I cant give any fuel numbers to compare. But the truck does idle so smooth if you didnt hear the truck running you would think it was turned off. The IPD injectors idled alot smoother than stock CAT injectors but these Force injectors are still better than that. You can definitely notice a difference in the throttle responce. When you touch the throttle pedal the power comes on so fast and so smooth. Going to get the file back in the ECM to get some real world fuel numbers soon. Truck was getting 6.5 before the IPD injectors came out.
     
    black_dog106 Thanks this.
  8. Mr. Haney

    Mr. Haney Road Train Member

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    Yes it is. You wouldn't believe how smooth the engine is under full boost at 1500 RPM with these in there.
     
  9. dwmac71

    dwmac71 Light Load Member

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  10. BullDoggin

    BullDoggin Light Load Member

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    I think I pretty much get the gist of that table... but what do the numbers "10" and "5.23" signify on the left in each line? Some sort of standard for fuel input? I'm assuming it is, and the 4 digits under each cc rating is the trim code needed to get that specific injector to flow that specific rate at the specified input. How am I doing?