D60 Turbo suggestion?

Discussion in 'Trucks [ Eighteen Wheelers ]' started by simonsocm, May 12, 2021.

  1. simonsocm

    simonsocm Light Load Member

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    Aug 17, 2019
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    I've got a 379 with a detroit 60. Currently have the wastegated Borg Warner on the truck and stock manifold, 99 engine so no egr.

    I mostly run around 30-40k in the trailer. I'm just looking to get the best MPG possible. If I swap the turbo I'll also get a full tilt manifold as well. I'd like to at least be in the 470-500 hp range.

    Would a 171702 (s475) work well enough, and what a/r should I be looking at? Has anyone tried an s472sxe on these engines before?
     
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  3. Brettj3876

    Brettj3876 Road Train Member

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    Gotta get a tune to run the s475. A decent tune with the 1.32 s475 will put you around 500-525 to the wheels. Imo go with the 75mm with the 1.32 she'll breathe a lot better on the top end. I run that on a E-7 mack and it's not really much laggy over stock

    If you don't get a tune you won't be happy at all. Needs more fuel to spin the bigger windmill
     
    Last edited: May 12, 2021
  4. simonsocm

    simonsocm Light Load Member

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    Was planning on going with a 3 tune setup from DCS. I've heard good things from them so I figured I'd get them to replace the battery in the ecm while they have it too. Any idea what kind of mpg I should expect with a good tune, a full tilt manifold and a 1.32 s475?
     
  5. Bean Jr.

    Bean Jr. Road Train Member

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    That horsepower, that turbo is not the best. 171701 may be a better choice. I've got a DDEC2, which is putting out about 500, does very well with it. About 35 lbs boost. Comes on at about 1,350
     
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  6. simonsocm

    simonsocm Light Load Member

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    Aug 17, 2019
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    What kind of mpg are you getting with what kind of load? If the 171701 works better for sub 500 that's fine with me. Not looking to pull a ####load of weight or anything.
     
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  7. Bean Jr.

    Bean Jr. Road Train Member

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    When I keep my foot out of it I get 6.75-7. But with it running strong, I drive faster than I need to get great mileage. About 6.25.
     
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  8. DDguy

    DDguy Bobtail Member

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    Apr 21, 2020
    Ont. Canada
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    To size turbo you really need to take in account What Engine Rpm you mostly work at and Cruise at ...... Is it 1200-1500 Range or more like 1400-1600 Range Or 1600 Plus

    You can PM me to discuss further if you like
     
  9. rollin coal

    rollin coal Road Train Member

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    I'm around 600 horses using a 171702 with a billet 5 blade turbine from stainless diesel. Works great for me no complaints.
     
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