Originally Posted by huntergreen
some one stated the fuel pump can go haywire, but i believe they switched to an intake pump which reduced failures. if it goes fass makes good fuel pumps. sounds like you found a winner. by the way, the mpg is pretty good for what you might be driving.
Picking it up Saturday, just took my 35s off my 1500 today... ha, but especially being a 2006 cummins, I figured most of the kinks gave been worked out. I really hope it all works out, but only time (and miles) will tell!
and he had a monitor and said he hand calculated about 17-20 MPG city on average. Compared to my 12.. So thats a huge plus!