I have a new TrailBlazer and am disappointed with it's poor engine drivability. Power/acceleration under 3000 rpm is noticably irregular. Flat spots and surges. Upshifts usually return rpms to 2K, right in the middle of a flat spot. I'd hate to be pulling a trailer with this truck.
I'm curious if this is normal for the 4.2 I-6
Spike