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12.7 detroit upgrades

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

Page 4 of 16
  1. Jul 5, 2016 #31
    prerunner404

    prerunner404 Medium Load Member

    452
    223
    Aug 3, 2011
    lake havasu city az
    0
    Yes it does all around. I also noticed that my fuel pressure gauge on the dash used to bounce around a lot under load and now it reads steady at whatever psi the pump is making. I honestly couldn't be happier with changing them out.
     
    prerunner404, Jul 5, 2016
    prerunner404, Jul 5, 2016
    #31
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  3. Jul 6, 2016 #32
    swaan

    swaan Road Train Member

    2,942
    4,373
    Jul 12, 2009
    BC canada
    0
    Funny you say that because I had a fuel pressure qauge on mine for a while trying to figure this issue out and it bounces around quite a bit too.

    Good pressure but neddle bounces bad when truck acts up . Fairly smooth at lower throttle positions thou.

    Thanks again for the info
     
    swaan, Jul 6, 2016
    swaan, Jul 6, 2016
    #32
  4. Jul 6, 2016 #33
    prerunner404

    prerunner404 Medium Load Member

    452
    223
    Aug 3, 2011
    lake havasu city az
    0
    prerunner404, Jul 6, 2016
    prerunner404, Jul 6, 2016
    #33
  5. Jul 7, 2016 #34
    truckerbangin

    truckerbangin Light Load Member

    260
    44
    Jan 22, 2013
    0
    thats like 75% throttle
     
    truckerbangin, Jul 7, 2016
    truckerbangin, Jul 7, 2016
    #34
  7. Jul 7, 2016 #35
    truckerbangin

    truckerbangin Light Load Member

    260
    44
    Jan 22, 2013
    0
    cam turbo and injectors
     
    truckerbangin, Jul 7, 2016
    truckerbangin, Jul 7, 2016
    #35
    prerunner404 Thanks this.
  8. Feb 24, 2017 #36
    gseweb

    gseweb Bobtail Member

    37
    5
    May 24, 2013
    0
    So did you ever put that cam in?
     
    gseweb, Feb 24, 2017
    gseweb, Feb 24, 2017
    #36
  9. Feb 24, 2017 #37
    prerunner404

    prerunner404 Medium Load Member

    452
    223
    Aug 3, 2011
    lake havasu city az
    0
    Not yet
     
    prerunner404, Feb 24, 2017
    prerunner404, Feb 24, 2017
    #37
  10. Feb 24, 2017 #38
    gseweb

    gseweb Bobtail Member

    37
    5
    May 24, 2013
    0
    Looks like you and I are doing pretty similar setups. I had 5575 inj (went bad) so switching to 5915. Figured would swap the cam at the same time. So changing from 1681 to 4292 (looks like the same as 4912, but fits my bolt size). Still trying to figure out if anything needs tweaked with my jakes to accommodate for the new cam. Hopefully nothing, but no one seems to know...
     
    gseweb, Feb 24, 2017
    gseweb, Feb 24, 2017
    #38
  11. Feb 24, 2017 #39
    prerunner404

    prerunner404 Medium Load Member

    452
    223
    Aug 3, 2011
    lake havasu city az
    0
    Ya after reading this im going to do the same 4292 cam as well so i dont have to mess with the front cover bolt hole size. Id like to know on the jakes as well.
     
    prerunner404, Feb 24, 2017
    prerunner404, Feb 24, 2017
    #39
  12. Feb 25, 2017 #40
    catwrench55

    catwrench55 Light Load Member

    211
    88
    Jan 5, 2015
    0
    Well don't forget to post what yall find. I hope to add Jake's when I swap to this cam.
     
    catwrench55, Feb 25, 2017
    catwrench55, Feb 25, 2017
    #40
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