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Thread: Fuel rail plug or shims?

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    Basic Member easttxram's Avatar

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    Fuel rail plug or shims?

    Ordering my stuff to delete all the useless emissions junk. When I did my 2008 C/C 4500 I had to plug the rail because the H&S raised the rail pressure and kept throwing a code. I'm using the RaceMe Ultra on my 2014 2500. Do I need to plug or shim the rail? I'd just assume not remove a safety feature like a relief valve. But I will if it's necessary.


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    John Gianotti's Avatar

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    Re: Fuel rail plug or shims?

    Sub'd

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    DRD's Avatar

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    Re: Fuel rail plug or shims?

    Quote Originally Posted by easttxram View Post
    Ordering my stuff to delete all the useless emissions junk. When I did my 2008 C/C 4500 I had to plug the rail because the H&S raised the rail pressure and kept throwing a code. I'm using the RaceMe Ultra on my 2014 2500. Do I need to plug or shim the rail? I'd just assume not remove a safety feature like a relief valve. But I will if it's necessary.
    Should not need to modify the fuel rail relief valve. 4th gens typically hold up to 27500 psi without popping the relief.

    Ray
    Double R Diesel, LLC
    www.doublerdiesel.com
    info@doublerdiesel.com

    The Cummins Whisperer! John 3:16, Romans 10:9-10...Tuning for the Heart and Soul.


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    Basic Member easttxram's Avatar

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    Re: Fuel rail plug or shims?

    Quote Originally Posted by Double R Diesel View Post
    Should not need to modify the fuel rail relief valve. 4th gens typically hold up to 27500 psi without popping the relief.

    Ray
    Double R Diesel, LLC
    www.doublerdiesel.com
    info@doublerdiesel.com
    Thanks for the info. I may be wrong, but I was thinking on the RaceMe ultra you can adjust the rail pressure anyway. Just wanted to make sure I didn't need a plug thrown in the cart. I hate being short one part on these little projects. Everyone likes to play with their new toys right when they show up.


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