06 T600 w/ isx

Discussion in 'Kenworth Forum' started by dgc, Jan 14, 2013.

  1. dgc

    dgc Light Load Member

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    Dec 2, 2012
    miami, fl
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    My son is looking into buying a 2006 t600 with a isx 450 hp. and a 13 speed. Can this ecm be tuned for more power? what rear end should he look for? and most important how reliable is this engine? We will usually be hauling about 40k
     
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  3. rollin coal

    rollin coal Road Train Member

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    Mar 29, 2008
    TN
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    Tune it how? Bump it to factory 600hp? Have no idea with Cummins. I will say this though. Factory 3 row T600 radiator is a joke. Mine had trouble cooling 550 horses. If he's thinking that or much more with something like a PDI tune he needs to upgrade the radiator sure enough. 3:55's are good with an ISX. Every ISX powered company truck I drove had lo-pro 22.5's, 10 speed direct, with 3:55's and it was a good setup for fuel mileage and pulling although those trucks were governed at 66mph and the rpms were around 1450 at that speed...
     
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