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i found a nice 2500 6.7 truck with 87400 miles on it, has the H&S EGR delete, PDF delete, 4" Straight exhaust, Smarty SR programmer and already has a 3250 dd southbend clutch. what all should i look at on this truck when i go to check it out? i'm not familar with the 6.7's. hows the power compared to the 5.9 with the smarty?
thanks for any input!
justin

 

power is good. make sure the head gasket isnt leaking.

 

agree with diesel pap if the over flow tank is full prolly blown hg

 

what makes the headgaskets blow so bad on these?
thanks for the replies!
justin

 

i dont really know exactly but high cylinder pressures and drive pressures is the most common ones you hear some one else will chime in and break it down more

 

More cylinder pressure due to larger bore/stroke has a big part in it

 

hows building them up $$$ wise compared to the 5.9? also studs, can they been installed with the head on still? i know your supposed to run a tap down the block to make sure they bottom out and all that

 

pretty simular in prices basicly the same motor more less and yes you can put studs w/o removing head

 

i like my vgt turbo but they cause more head gasket trouble.