Detroit Injector Questions

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by High Stepping, Jan 12, 2024.

  1. High Stepping

    High Stepping Light Load Member

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    Oct 29, 2020
    Mississippi
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    We have a Detroit factory non egr 14L 6067HK60 in our Peterbilt glider. It's tuned and has a coated manifold, 78mm custom BW turbo, Airdog FP-II pump, free-flowing exhaust, K&N dry flow filters, etc. My question is about upgrading the injectors. It currently has the 7635 injectors in it. I've been looking at flow rates and specs on an injector chart. After looking at injectors like the style we have in there, I've come to the conclusion that a 4940 injector would be the next step up. Would running those be the best option or putting in a 5915-style injector be a better option? The engine has a 4912 camshaft in it, also. Thanks in advance!
     
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  3. DUNE-T

    DUNE-T Road Train Member

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    What's your reason for different injectors? Just more power?
     
  4. High Stepping

    High Stepping Light Load Member

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    Oct 29, 2020
    Mississippi
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    Yes and to better match the output of the tune that we have now.
     
  5. Rideandrepair

    Rideandrepair Road Train Member

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  6. High Stepping

    High Stepping Light Load Member

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    Oct 29, 2020
    Mississippi
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    I appreciate you and hopefully they’ll join in the conversation.
     
    Rideandrepair Thanks this.
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