Detroit series 60 15:1 issues

Discussion in 'Trucks [ Eighteen Wheelers ]' started by DDS60, Feb 21, 2018.

  1. jamespmack

    jamespmack Road Train Member

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    I will let you guys call him and inform him that he is wrong.

     
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  3. benjamin260_6

    benjamin260_6 Medium Load Member

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    Are you referring to the part where he says you don't get a lot of fuel with the 430hp program because with the advanced timing you'll get a lot of nox?
     
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  4. jamespmack

    jamespmack Road Train Member

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    Your not listening to him. He is advancing timing, removing fuel for economy and lower nox.

    For power he is retarding timing and adding fuel.

    Listen very carefully.
    He is one of two guys that knows this better than anyone else.
     
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  5. DDguy

    DDguy Light Load Member

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    Is this Engine Tuned at all ? and who did the Inframe ?? do you have DCT by now to pull the file so someone could look at it ?
     
  6. DDS60

    DDS60 Light Load Member

    Factory tune is in it. I had sent a spare ecm down to Erich at serious series 60. Didn’t change the smoke and had another issue of popping and blowing white smoke intermittently with the park brake released. Tried to get ahold of him a month or so ago to get my ecm back with no reply.

    I don’t have dct yet. I’ve got neqlink. Would like to learn how to pull the info and retune or even send to someone to peak at.
     
  7. DDguy

    DDguy Light Load Member

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    I am not sure mayeb you have posted this but which model is your engine ?? GK Tk Mk BK Pk ???
     
  8. DDS60

    DDS60 Light Load Member

    It’s a ddec 3 gk motor
     
  9. DDguy

    DDguy Light Load Member

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    Can you PM me ? I dont have enuf posts to PM you but i would be interested to help you If we you could get your spare ecm to me i could run it on dyno Or get someone to pull your file to send it to me
     
  10. Brettj3876

    Brettj3876 Road Train Member

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    If we're talking making big hp/longevity and nothing else @jamespmack is right. Retarded timing for the win. From personal experience too. Lots of fuel/boost + timing is a ticking time bomb.

    Timing advanced a tad you'll see better economy. Don't have to push the go pedal as hard but on a pull it'll lose steam quicker than retarded timing. The increase in cyl psi and heat rejection negates the pluses. You're way better off dealing with increased egt's than cyl pressure.

    Here's a very in-depth article about timing and it pretty much explains in depth what the vid James posted
    maxxTORQUE: Diesel Timing
     
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  11. thejudges69

    thejudges69 Light Load Member

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    This is a known issue with the 15:1 compression ratio pistons. There is no fix for it. If you tune the engine and install a different cam and turbo it will likely help. The reason it's using oil is not due to the compression. It's likely from carbon build up on the rings. It's frowned upon by many but if your using an additive in the oil like lucas I'd stop. I change and use ATF, 2 quarts per 10 gallons of oil. Or fill with oil and add 2 quarts. The ATF will help clean things up. Oil already has a good additive package, and some say that ATF dilutes it. I've asked several oil sample facilities, oil manufacturers, and engine builders. They all say the same, there is no evidence that it effects the additive package of the oil, in fact a couple oil manufacturers suggested with some of their oils it will possibly make it more potent.

    If the engine is stock, try a tune. 171702 turbo and different cam also. Get the engine to where it's working instead of over fueling. The white smoke will get better once warm, but be aware it likey won't go away, but the tune and more heat in the cylinders will help. No sense in frowning over it.

    Diesel engines will perform different with lower compression, more fuel and air. You'll see 2 engines with different compression ratios built and tuned the same, the lower compression will out perform the other.
     
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