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Cascadia exhaust question

Discussion in 'Freightliner Forum' started by Wild Murphy, Jun 14, 2015.

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  1. Jun 14, 2015 #1
    Wild Murphy

    Wild Murphy HAPPY TRUCK DRIVER

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    I have seen Cascadias with a stack on the back and Cascadias with the exhaust coming out under the back. Is this from different years? Can you convert from having a stack to the other way? Also, any reasons to prefer one over the other?
     
    Wild Murphy, Jun 14, 2015
    Wild Murphy, Jun 14, 2015
    #1
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  3. Jun 14, 2015 #2
    Grumppy

    Grumppy Trucker Forum STAFF Staff Member

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    I've got a 2015 & the exhaust is under the vehicle. I am assuming its just another way to reduce wind drag & increase fuel mileage to comply with government regulations. :dontknow:
     
    Grumppy, Jun 14, 2015
    Grumppy, Jun 14, 2015
    #2
    Wild Murphy Thanks this.
  4. Jun 14, 2015 #3
    Dr_Fandango44

    Dr_Fandango44 Road Train Member

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    I'm sure you can have it converted. I have a '15 Cascadia EVO and its underneath. I'm sure the explanation is that it's for aerodynamic reasons, and a space saver. Heck there isn't even an easy access to place a simple antenna for a radio.
    Good luck
     
    Dr_Fandango44, Jun 14, 2015
    Dr_Fandango44, Jun 14, 2015
    #3
    Wild Murphy Thanks this.
  5. Jun 14, 2015 #4
    RSQ20

    RSQ20 Medium Load Member

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    The reason for the stack is to get the fumes above the 4 wheel traffic...

    ... Philip
     
    RSQ20, Jun 14, 2015
    RSQ20, Jun 14, 2015
    #4
    Wild Murphy Thanks this.
  7. Jun 15, 2015 #5
    sdaniel

    sdaniel Road Train Member

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    They went to the weed burner , it saved about 300 lbs.
     
    sdaniel, Jun 15, 2015
    sdaniel, Jun 15, 2015
    #5
    Wild Murphy Thanks this.
  8. Jun 15, 2015 #6
    Boardhauler

    Boardhauler Road Train Member

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    I converted mine to a weed burner with no issues.
     
    Boardhauler, Jun 15, 2015
    Boardhauler, Jun 15, 2015
    #6
    Wild Murphy Thanks this.
  9. Jun 15, 2015 #7
    Wild Murphy

    Wild Murphy HAPPY TRUCK DRIVER

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    What kind of time and cost?
     
    Wild Murphy, Jun 15, 2015
    Wild Murphy, Jun 15, 2015
    #7
    tucker Thanks this.
  10. Jun 15, 2015 #8
    mhyn

    mhyn Road Train Member

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    don't convert it. you will have a little higher output pressure reading. the acm and 1-box is calibrated for short exhaust pipe.
     
    mhyn, Jun 15, 2015
    mhyn, Jun 15, 2015
    #8
    Wild Murphy and 25(2)+2 Thank this.
  11. Jun 15, 2015 #9
    25(2)+2

    25(2)+2 Trucker Forum STAFF Staff Member

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    The older ones with a 60 Series were more likely to have a stack although I have seen newer and older both ways.

    The stack tended to scorch during regens with a 60 series, and I think all Cascadias had DPF.

    Mhyn makes a valid point, the whole apparatus is calibrated to perform with a specific configuration of exhaust plumbing.
     
    25(2)+2, Jun 15, 2015
    25(2)+2, Jun 15, 2015
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    Wild Murphy Thanks this.
  12. Jun 15, 2015 #10
    Wild Murphy

    Wild Murphy HAPPY TRUCK DRIVER

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    I agree. There isn't a real issue for me to convert it. Just wondering if it could be converted and any legit reasons why. Thanks.
     
    Wild Murphy, Jun 15, 2015
    Wild Murphy, Jun 15, 2015
    #10
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