I just drove it . good low end. a total waste of a good motor at cruising speed. no power just like he said. I wouldnt buy one if I test drove it.

 

id say the turbo is jacked because of the egr crap. mine seems to have good power in 6th even running stock

 

i have a manual tranny and in over drive i have plenty of power from 1200 all the way up when the truck is empty even when it was stock and i have 4.10 rear doing 70ish at 2k

 

the one he test drove last night was an 08 quad cab Blutech6.7 auto dually

he said he is test driving a 07 6.7 mega cab dually auto and this one has way more power all around, also drives and rides nicer. it only has 14 miles. yes 14.
he said he thinks he will get it.

is their a difference in the two motors? this one doesnt have blue tec emblems all over it.

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I drove the 07 an hour ago. wicked. that o8 was fuct up for sure. i was wron on the milegae of the 07. it has 44 miles. not 14.
anyway here it is

 

i had the same thing happen when i drove a standard. it was sick compared to my 08 auto. its got to be the emissions stuff. i know they run real good without that stuff. mine gained more power after a few miles.

 

damn 6.7

 

well this thread is back from the dead ,but through further learning/tuning experience I'd say it was the fuel relief valve causing this.