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Cat c15 Sdp rebuild help

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by dustinbrock, Jun 8, 2018.

Page 9 of 10
  1. Mar 13, 2019 #81
    Cat sdp

    Cat sdp . .

    21,180
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    Apr 8, 2012
    Orion's Belt
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    People wine about the acert set up but when it’s done correctly it’s some kinda fun......

    So you are keeping the vva’s ? Which I think is the way to go......
     
    Cat sdp, Mar 13, 2019
    Cat sdp, Mar 13, 2019
    #81
    dustinbrock Thanks this.
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  3. Mar 13, 2019 #82
    Cat sdp

    Cat sdp . .

    21,180
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    3E842693-18C0-49EB-BF9E-F43F5DD5E03D.jpeg
     
    Cat sdp, Mar 13, 2019
    Cat sdp, Mar 13, 2019
    #82
    dustinbrock Thanks this.
  4. Mar 13, 2019 #83
    dustinbrock

    dustinbrock Road Train Member

    1,308
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    Apr 19, 2012
    North Battleford, SK
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    I am, spent all winter driving other people's trucks and weighing my options. I've determined I hate 16:1 si glen turbo cats! I love the sdp engine with the ball bearing low pressure turbo when it's running good..... best responce I've ever seen. I think I'd go lower compression if going bigger power but I'm actually gonna lower mine.

    I am still on the fence as to how I want to set up the ivas, but that's all.
     
    dustinbrock, Mar 13, 2019
    dustinbrock, Mar 13, 2019
    #83
    Oxbow and SAR Thank this.
  5. Mar 13, 2019 #84
    Superhauler

    Superhauler TEACHER OF MEN

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    Not cutting the bowels to lower comp. Would be a mistake in my opinion.
     
    Superhauler, Mar 13, 2019
    Superhauler, Mar 13, 2019
    #84
    Oxbow, SAR, dustinbrock and 1 other person Thank this.
  7. Mar 13, 2019 #85
    Cat sdp

    Cat sdp . .

    21,180
    75,052
    Apr 8, 2012
    Orion's Belt
    0
    Vva’s can handle the compression......but I do understand the lower compression angle.....



    More than one way to rebuild them....:)
     
    Cat sdp, Mar 13, 2019
    Cat sdp, Mar 13, 2019
    #85
    Oxbow and dustinbrock Thank this.
  8. Mar 13, 2019 #86
    dustinbrock

    dustinbrock Road Train Member

    1,308
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    Apr 19, 2012
    North Battleford, SK
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    Just personal preference. I do not like the way the 16:1 drive, too laggy. How do you counter slower responce.... add more fuel, it's just not my thing. I love the easy responce of the setup I've got and the fuel mileage I get. I hear everyone and their dog say turbo delete and 16:1 you'll get better mileage but yet i save $75 a day in fuel every single day compared to a group of guys i run with hauling the same 140k loads on the exact run every day....
     
    dustinbrock, Mar 13, 2019
    dustinbrock, Mar 13, 2019
    #86
    Oxbow and SAR Thank this.
  9. Mar 14, 2019 #87
    ShooterK2

    ShooterK2 Road Train Member

    5,533
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    Dec 14, 2012
    Oklahoma
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    Keep us updated and post pics as ya go, if ya don’t mind.

    I’m really interested to see how this comes about, and the end result.
     
    Last edited: Mar 14, 2019
    ShooterK2, Mar 14, 2019
    ShooterK2, Mar 14, 2019
    #87
    AModelCat, Oxbow, SAR and 1 other person Thank this.
  10. Mar 16, 2019 #88
    Superhauler

    Superhauler TEACHER OF MEN

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    The lag isn't from the 16:1 comp. It is from going to a single turbo over the twins. You can keep the twins with the low comp pistons and have as quick of response. The issue with an acert is the 18:1 pistons and the vva. lower the comp. And you WILL get a better breathing/ running engine. With the right tune a more efficient engine. You have to understand ,the vva, s bleed off the excessive cylinder pressure ( boost) caused by the 18:1 pistons. To a point.
     
    Superhauler, Mar 16, 2019
    Superhauler, Mar 16, 2019
    #88
    ShooterK2, Oxbow, dustinbrock and 1 other person Thank this.
  11. Mar 16, 2019 #89
    spsauerland

    spsauerland Road Train Member

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    West Harrison, In
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    Wonder if better response and mileage he is experiencing is from the MEUI-C injector? They handle more pressure, are more responsive, and atomize fuel better.
     
    spsauerland, Mar 16, 2019
    spsauerland, Mar 16, 2019
    #89
    ShooterK2, Oxbow, dustinbrock and 1 other person Thank this.
  12. Mar 16, 2019 #90
    Superhauler

    Superhauler TEACHER OF MEN

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    Could be, forgot he has an spd engine.
     
    Superhauler, Mar 16, 2019
    Superhauler, Mar 16, 2019
    #90
    ShooterK2, Oxbow, dustinbrock and 1 other person Thank this.
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