Nice truck. Good luck on the 5.3. I'm in the Tupelo area too (Mantachie). Where did you get the Jesters? My brother had a set on his H3, but sold them a few months ago. Didn't know if you might have picked them up from him.
Update: Changed fuel filter and all is good. Not sure how old the filter was, but it was an AC Delco and judging from the amount of black gunk I poured out of it, it may have been the original...
I've got a 97 Yukon (5.7,4l60e) that's bogging at WOT. Doesn't matter if it's from a stop or roll. It's particularly bad when using cruise and going up a hill. The cruise wants to increase the throttle to maintain speed, but it just bogs down until I hit the brake to disable cruise. The truck...