Turbo Boost

Discussion in 'Trucks [ Eighteen Wheelers ]' started by greghindy, Aug 10, 2012.

Page 1 of 6
  1. Aug 10, 2012 #1
    greghindy

    greghindy Bobtail Member

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    Jun 17, 2012
    Wagga Wagga, NSW, Australia
    0
    Can anyone tell me what the maximum turbo boost should be on a Cummins ISX (EGR deleted) ?
     
    greghindy, Aug 10, 2012
    greghindy, Aug 10, 2012
    #1
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  3. Aug 10, 2012 #2
    morehp

    morehp Medium Load Member

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    Jun 18, 2012
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    Sounds like your having the same issues everyone else has with keeping vgt
     
    morehp, Aug 10, 2012
    morehp, Aug 10, 2012
    #2
  4. Aug 10, 2012 #3
    greghindy

    greghindy Bobtail Member

    41
    0
    Jun 17, 2012
    Wagga Wagga, NSW, Australia
    0
    Can you tell me what boost range I should have ?
     
    greghindy, Aug 10, 2012
    greghindy, Aug 10, 2012
    #3
  5. Aug 10, 2012 #4
    morehp

    morehp Medium Load Member

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    Jun 18, 2012
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    I think everyone that has done it has experienced anything from 10 to 15 psi increase from standard, also I think standard was 40 psi max, Unfortunatley that with just the egr delete the vgt turbo's life is going to be way shorter than they are with out over speeding them. Then you gotta keep bolting on expensive turbos or send ECM back for vgt delete and bolt non waste gated turbo and that also = downtime. Have you seen any fuel gain with just egr deleted?
     
    morehp, Aug 10, 2012
    morehp, Aug 10, 2012
    #4
  7. Aug 10, 2012 #5
    greghindy

    greghindy Bobtail Member

    41
    0
    Jun 17, 2012
    Wagga Wagga, NSW, Australia
    0
    Only put it on today and went for a 40 km drive, noticed water temp cooler, engine oil temp cooler just Turbo Boost went up from 240kPa to 320kPa.
     
    greghindy, Aug 10, 2012
    greghindy, Aug 10, 2012
    #5
  8. Aug 10, 2012 #6
    morehp

    morehp Medium Load Member

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    Jun 18, 2012
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    Were you loaded for test drive?
     
    morehp, Aug 10, 2012
    morehp, Aug 10, 2012
    #6
  9. Aug 10, 2012 #7
    greghindy

    greghindy Bobtail Member

    41
    0
    Jun 17, 2012
    Wagga Wagga, NSW, Australia
    0
    Yep, 39000 kgs, with a single trailer, thing is, I always tow a B-Double at 61000 kgs, just put the single on because it was loaded and to see how it went with some weight on it.
     
    greghindy, Aug 10, 2012
    greghindy, Aug 10, 2012
    #7
  10. Aug 10, 2012 #8
    morehp

    morehp Medium Load Member

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    Jun 18, 2012
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    Was there many steep hills on your test drive ? I'd say your going to see more boost than 46 psi when you hook the big gear on the back
     
    morehp, Aug 10, 2012
    morehp, Aug 10, 2012
    #8
  11. Aug 10, 2012 #9
    morehp

    morehp Medium Load Member

    699
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    Jun 18, 2012
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    Oh what hp did you get with the tune?
     
    morehp, Aug 10, 2012
    morehp, Aug 10, 2012
    #9
  12. Aug 10, 2012 #10
    greghindy

    greghindy Bobtail Member

    41
    0
    Jun 17, 2012
    Wagga Wagga, NSW, Australia
    0
    It was already set at 600 HP / 2050 Torque.
     
    greghindy, Aug 10, 2012
    greghindy, Aug 10, 2012
    #10
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