Needing good advice for a C15

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Sodapop, Jan 14, 2023.

  1. Sodapop

    Sodapop Light Load Member

    93
    7
    Mar 19, 2010
    Blytheville,Ar
    0
    2004 379 Flat top,pull a flatbed..Truck was starting to smoke,and mileage sucked about 5mph, was told i needed new injectors..guy put in 8205's..i had injectors set to the right trim codes...any ways..I have a 7cz file in ecm, 78/132 borg warner turbo.....doesnt get hott runs about 900 on pulls, mileage still bad,really smokes out west when i hit NM..was told know i needed a 80 mm turbo...I just wanted to ask before i spent money i didnt need too.Thank you
     
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  3. wore out

    wore out Numbered Classic

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    190,110
    Jun 5, 2013
    CHASIN THE DEVIL'S HERD
    0
    I know the first thing your gonna say at my response is but I got x amount of boost. Or it’s new. Doesn’t matter.....you have a leak between the turbo out let and the intake side of the head.
     
    cke and blairandgretchen Thank this.
  4. little cat 500

    little cat 500 Road Train Member

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    1,093
    Jan 17, 2010
    Abbottstown PA
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    air charger junk plus the 7cz file is not very fuel friendly.
     
    Big Road Skateboard Thanks this.
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