07 1500 Z71 Chevy 5.3 w/ S&B CAI, Predator PPGM, Flowmaster series 40 catback dual outlet pipes. 43,000 miles. about to take her out on the AutoBahn for a high speed test lol

1994 chevy silverado 2500 4x4 350 tbi all i got done to it is cat delete flowmaster 50 and a k&n air filter im getting about 10-13 city and 15-17 highway depending on the way i drive

96 JImmy 4x4. Detroit locker rear end, 265,xxx miles, Vortec 4.3
95 c/k 2500 extended cab 2wd, no mods, 5.7l 350, 165,xxx miles
05 Grand Prix se 60,xxx miles bone stock.

99 GMC 4.8L with 400,000 miles. New Tranny at 300,000 miles, other than that nothing major.

Hey Chris - not sure if you still need this info but my '98 just ticked over 150k...... stock 5.0 Silverado.......

my 98 z71 got about 18 mpg and is bone stock and the motor came apart at 355000 miles. it really started making a noise i couldnt figure out so i finished it off. sounds stupid but i figured out what that noise was and had alot of fun on a dirt road.

75186

183,500 and with mods in sig

1990 k-1500 chevy 4.3 v6, no mods 295,272 miles.

1991 Chevy 2500 4x4 350 TBI 5 speed, just hit 95,000. Its had 1 rebuild at 60,000 and has a new engine now at 94,000. (Its had an extremely hard life) other than that just a gas tank and a cv boot. and a 2000 old body style 3500 4x4 350 vortec automatic, at 103,000 and still going, no trouble other than brake lines rusting out.