What does any of this matter? If you get your truck there, wheel, and get home without breaking anything, what does it matter how fast you get there? Does that power really count when on the trail? My 4.3 does great on the 4 lane, on the trail, and anywhere Ive taken it so far. My rig is quiet, comfortable, and warm in the snow. I enjoy driving it to the trail and home. I even enjoy cranking up the tunes while on the trail. So if you have to add boost to your engine to race up a hill, I have a friend with a Dodge pickup with a diesel engine that can smoke all you guys up the hill pulling his Land Cruiser on a trailer. It doesnt really matter does it?