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dyno numbers....what do they mean!

Discussion in 'Trucks [ Eighteen Wheelers ]' started by garym, Aug 29, 2009.

  1. Aug 29, 2009 #1
    garym

    garym Bobtail Member

    19
    0
    Jul 12, 2009
    Jackson, MI
    0
    Looking at a kw with 440,000 miles on an isx 450, the speck sheet shows a dyno was done and the numbers are 409 hp(91%) and 10" of blow by, are these good numbers? i tried finding something online but no luck yet!

    thanx,
    gary
     
    garym, Aug 29, 2009
    garym, Aug 29, 2009
    #1
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  3. Sep 3, 2009 #2
    savage02

    savage02 Light Load Member

    163
    50
    Dec 21, 2007
    Upstate, NY
    0
    anybody???
     
    savage02, Sep 3, 2009
    savage02, Sep 3, 2009
    #2
  4. Sep 3, 2009 #3
    FYDA FREIGHTLINER CINCY

    FYDA FREIGHTLINER CINCY Light Load Member

    270
    131
    Apr 28, 2009
    Cincinnati, ohio
    0
    18 inches of blow-by is max and i have always heard 80% horse is the minium
     
    FYDA FREIGHTLINER CINCY, Sep 3, 2009
    FYDA FREIGHTLINER CINCY, Sep 3, 2009
    #3
  5. Sep 3, 2009 #4
    FunkRider

    FunkRider Light Load Member

    87
    29
    Jul 22, 2009
    Hamilton, Ontario
    0
    It should list the shop that did the Dyno on the sheet. Get the name and number and ask them about the results.
     
    FunkRider, Sep 3, 2009
    FunkRider, Sep 3, 2009
    #4
  7. Sep 5, 2009 #5
    garym

    garym Bobtail Member

    19
    0
    Jul 12, 2009
    Jackson, MI
    0
    There was no name on the paper!! Talking to a couple of salesmen i've heard that cummins will not do warranty on anything lower than 13", while the detroits should be down around 3,4,5 etc. It's a start i guess. One salesman said anything below 80% would be suspect!!

    garym
     
    garym, Sep 5, 2009
    garym, Sep 5, 2009
    #5
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