Needing good advice for a C15

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

  1. Jan 14, 2023 #1
    Sodapop

    Sodapop Light Load Member

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    Mar 19, 2010
    Blytheville,Ar
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    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
     
    Sodapop, Jan 14, 2023
    Sodapop, Jan 14, 2023
    #1
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  3. Jan 14, 2023 #2
    blairandgretchen

    blairandgretchen Road Train Member

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    blairandgretchen, Jan 14, 2023
    blairandgretchen, Jan 14, 2023
    #2
    cke Thanks this.
  4. Jan 15, 2023 #3
    wore out

    wore out Numbered Classic

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    CHASIN THE DEVIL'S HERD
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    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.
     
    wore out, Jan 15, 2023
    wore out, Jan 15, 2023
    #3
    cke and blairandgretchen Thank this.
  5. Jan 15, 2023 #4
    little cat 500

    little cat 500 Road Train Member

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    air charger junk plus the 7cz file is not very fuel friendly.
     
    little cat 500, Jan 15, 2023
    little cat 500, Jan 15, 2023
    #4
    Big Road Skateboard Thanks this.
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