Well as my sig. says I have a 82 burban with 270K on the clock (original) and I have a 88 burb with 250K (original) Its down because of IJ pump and also I have a 83 my daily driver that has 240 now thats original. and my 96 has 160K
-96 6.5TD K3500 Crew Cab Dually 4x4, 97 cooling mods, Dmax fan, 3.5" downpipe, 4.5" straight exhaust, intercooler, custom intake plenum, fast idle switch, Ranch Hand bumpers, Turbo Master, egt, boost, & trans gauges, 6" Superlift, K&N off the turbo.
-88 6.2 3/4 burban 255K
-83 6.2 CC C30 220K
-82 6.2 1/2 4x4 burban 270K