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12.7 detroit upgrades

Discussion in 'Trucks [ Eighteen Wheelers ]' started by prerunner404, Jun 21, 2016.

Page 2 of 16
  1. Jun 22, 2016 #11
    swaan

    swaan Road Train Member

    2,943
    4,371
    Jul 12, 2009
    BC canada
    0
    Yes it's a pre egr 2000 year 14L .
    I'm going to look into what I got for injectors and go from there.
    Sure sounds like that's the issue thou.
     
    swaan, Jun 22, 2016
    swaan, Jun 22, 2016
    #11
    Intothesunset Thanks this.
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  3. Jun 22, 2016 #12
    prerunner404

    prerunner404 Medium Load Member

    452
    222
    Aug 3, 2011
    lake havasu city az
    0
    Your one of the lucky guys with one of those motors. Im a bit jealous. Like they say no replacement for displacement.
     
    prerunner404, Jun 22, 2016
    prerunner404, Jun 22, 2016
    #12
  4. Jul 4, 2016 #13
    savage02

    savage02 Light Load Member

    163
    49
    Dec 21, 2007
    Upstate, NY
    0
    So hows it running pulling a load? How much boost are you getting out of it now?
     
    savage02, Jul 4, 2016
    savage02, Jul 4, 2016
    #13
  5. Jul 4, 2016 #14
    prerunner404

    prerunner404 Medium Load Member

    452
    222
    Aug 3, 2011
    lake havasu city az
    0
    Thing is a freight train now. Will pull hard in every gear and even if I lug it down it will recover and pull up through the rpm. I see around 36-38psi on boost now on a hard pull. I just bought a 18 speed for the truck so that's going to greatly improve the trucks pulling ability too. Over the 10 speed.
     
    prerunner404, Jul 4, 2016
    prerunner404, Jul 4, 2016
    #14
    Vampire and tnpete Thank this.
  7. Jul 4, 2016 #15
    T800H

    T800H Medium Load Member

    608
    295
    Apr 2, 2010
    The Keys
    0
    yes, that 18 will make a good difference, a friend of mine had a 10 speed and swapped it to an 18 and it was day and night, a lot better, quicker on every gear and much easier to drive.
     
    T800H, Jul 4, 2016
    T800H, Jul 4, 2016
    #15
  8. Jul 4, 2016 #16
    prerunner404

    prerunner404 Medium Load Member

    452
    222
    Aug 3, 2011
    lake havasu city az
    0
    Ya I can't wait to get that 18 speed in. The truck will be some much more versatile once installed.
     
    prerunner404, Jul 4, 2016
    prerunner404, Jul 4, 2016
    #16
  9. Jul 5, 2016 #17
    truckerbangin

    truckerbangin Light Load Member

    256
    43
    Jan 22, 2013
    0
    this video me running with 70000lbs series 60 12.7 rebel tuned with 1702 and 10speed. have a new motor i'm putting together bigger turbo and injectors + a 18speed so i'm going to have a whole new monster
     
    truckerbangin, Jul 5, 2016
    truckerbangin, Jul 5, 2016
    #17
    Vampire Thanks this.
  10. Jul 5, 2016 #18
    prerunner404

    prerunner404 Medium Load Member

    452
    222
    Aug 3, 2011
    lake havasu city az
    0
    Looks good. You going to do a bigger can on your new motor?
     
    prerunner404, Jul 5, 2016
    prerunner404, Jul 5, 2016
    #18
  11. Jul 5, 2016 #19
    gokiddogo

    gokiddogo Road Train Member

    8,781
    14,749
    Mar 5, 2012
    Ontario Canada
    0
    has your mpg changed? I keep thinking about doing this (only changed to 171702 and using a bully dog tuner) but at the same time I am less confident as to how much life my truck has left in it. Keep saying 1 more year .. lol
     
    gokiddogo, Jul 5, 2016
    gokiddogo, Jul 5, 2016
    #19
  12. Jul 5, 2016 #20
    prerunner404

    prerunner404 Medium Load Member

    452
    222
    Aug 3, 2011
    lake havasu city az
    0
    Yes I'm running around 6.4-6.5 mph with my 379 long good Pete. I used to run around 6-6.1 mpg.
     
    prerunner404, Jul 5, 2016
    prerunner404, Jul 5, 2016
    #20
    Vampire and gokiddogo Thank this.
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