3406 cat 435hp upgrades

Discussion in 'Trucks [ Eighteen Wheelers ]' started by prerunner404, Jul 10, 2015.

  1. Diesel Dave

    Diesel Dave Last Few of the OUTLAWS

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    Jan 20, 2010
    Hesperia, Ca.
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    Well since "Hurst" put it that way, I went from a 435 (5EK) and put a 550 BS (1LW) flash file and change the fls/fts number's. My born 435 (5EK) came with 58's so with the 550 ((1LW) which calls for 57's gave it even more. The only hard part's change was the turbo, went to a B/W Stage 1. BTW, I'm in Cali, so I need to be CARB compliant and "I AM"......, I had the DPF retrofit installed.
     
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  3. javelinjeff

    javelinjeff Medium Load Member

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    Aug 30, 2007
    victorville,ca
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    dave,,is the 57 or 58 the better injector?
     
  4. little cat 500

    little cat 500 Road Train Member

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    Jan 17, 2010
    Abbottstown PA
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    is your moter a 96 some of the early motors had to change hard parts to get to 550 see
     
  5. ramblingman

    ramblingman Road Train Member

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    Jan 12, 2014
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    yep it's a 96. Is that good? lol
     
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