CAT 6NZ Turbo boost

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Peen, Sep 20, 2010.

  1. DDS

    DDS Medium Load Member

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    May 20, 2008
    Toronto
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    Its a strong engine, may have had a headgasket under warranty if it spent its life in Toronto area. PM me the serial and I can check out the history, never know, I may have worked on it.
     
  2. Peen

    Peen Bobtail Member

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    Jan 1, 2010
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    I live in Vancouver, WA
     
  3. Mr. Haney

    Mr. Haney Road Train Member

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    Dec 17, 2008
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    Peen.........I just tried to post a long answer to your inquiry, but lost it to the great world of the lost internet. I'm not going to retype it.

    There are many options to what you can do. If I remember correctly I sent you a PM awhile back with my contact info.........give me a call and I'll explain the differences in your options, both with a CAT uprate, a PDI uprate or what I can do for you

    My preference would be one of two PDI tunes with your cooling capacity of the T2000 for the best in fuel mileage and a slight power gain above a stock CAT 550 hp uprate.
     
  4. Peen

    Peen Bobtail Member

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    Jan 1, 2010
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    Just talked to Kurt, think I will go with one of his when I can get out there. Thanks for talking to me!
     
  5. doublew

    doublew Light Load Member

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    Oct 17, 2010
    Kansas
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    i have a 5EK i think they are the same and its 30psi
     
  6. black_dog106

    black_dog106 Road Train Member

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    Mar 29, 2009
    MA
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    Also run a 5EK. 28psi boost. Exhaust broke off the other day. Thought truck felt "peppier" but figured was just in my mind because of the noise. But boost gauge showed 31 psi. Dont like a loud truck, but i believe that makes a good endorsement for opening up the mufflers?
     
  7. wrenchead

    wrenchead Bobtail Member

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    Dec 6, 2008
    ELK RIVER,MN
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    my boost is 35lb.
     
  8. Elkino3001Carrillo

    Elkino3001Carrillo Bobtail Member

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    Feb 14, 2016
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    Got me a 03 6nz and it's my 1st Cat engine. Only thing is, I've heard e model cats make a slight growl when it asks for another gear. Some people have said to me about swapping the turbo with a cummins turbo on the e model. Since a 6nz is basically an upgraded e model, can that be done to the 6nz to make it do that growl just before u throw another gear?
     
  9. SmokinCAT

    SmokinCAT Road Train Member

    No, there are good options for turbos without swapping to the cummins turbos they are thinking of.

    Excess boost doesn't do anything but make heat, a 550 is right on the money at 26-28psi.
     
  10. Cellis

    Cellis Bobtail Member

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    May 23, 2016
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    Hello, im from australia I run a 6nz and been doing some searching around as to how i can tickle this old bird up abit. Do you think you could send me the contact details of the customer in Aussie here to get some feedback on the tune you set him up with?
    Much appreciated!
    Craig
     
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