Wanted to get your input on what programmer to use to get the most out of my truck. Saving gas is a primary but I also want to be able to put up fights with Tiatns.
Does anyone have any installed? What kind of gas milage do you get?
So far I've liked the Bully Dog 40510 on my 5.3 the best.
08 Z71 Victory Red Crew Cab
Ground Force 2" drop in rear, 22" wheels, Toyo ST Rubber, K&N Intake, Magnaflow Duals, Bully Dog Prog., Weathertech Floormats, Grillcraft Grill, Undercover Sing Case, Viair Compressor, Wolo Horns, Hellwig F&R Sway Bars, Plasmaglow LED's, PEAK backup camera, Husky Mudflaps....lots more in the works.

hypertech works
ROTARYENGINEPETE
'07 GMC SIERRA SLT | Z71 | 4X4 | 5.3L FF
LIFT:
ROUGH COUNTRY 3" PREMIUM SUSPENSION LIFT
18" ATX THUG WHEELS
33" NITTO TRAIL GRAPPLER TIRES
EBC SPORT ROTORS
EBC YELLOW STUFF BRAKE PADS
LIGHTING:
HELLA/VVME 4300K HID LOW BEAMS
HELLA BLACK MAGIC OFFROAD LIGHTS
ANZO USA PROJECTORS
ANZO USA LED TAIL LIGHTS
NEW RECON LED TAILGATE STRIP
ENGINE:
K&N 63 SERIES INTAKE
MAGNAFLOW CATBACK D.O.S.I.F.T. EXHAUST
BULLYDOG TRIPLE DOG GT TUNER
PULSTAR IGNITORS
OPTIMA RED TOP
DRIVETRAIN:
MAG-HYTEC DIFF COVER
CORVETTE SERVO
TRANSGO SHIFT KIT
Z-PACK 3-4 CLUTCH
YUKON 4.56 GEARS
REBUILT WARN XFER CASE
BODY:
RUNCOOL HOOD LOUVERS
FULL WEATHERTECH VISORS/BUGSHIELDS
DUPONT BEDLINER
DEEZEE BLACK DIAMOND PLATE BED CAPS
BULLDOG LOCKING SPORT FUEL DOOR
DOOR MOLDINGS REMOVED
CUSTOM WIRE MESH GRILL
NEW BUSHWACKER BOSS FENDER FLARES
soon: POWDER COATED ROLL PAN and STS TURBO!!!!!!
5.5sec 0-60mph on pavement (5.2sec running E85), and a little less in 3 feet of muddy water

alot of the guys will tell you custom tune from nelsonperformance.com I will get mine from them when I get my taxes back
99 K1500 Suburban LT "THE BEAST"
5.7 K&N & True Dual Exhaust
Hypertech III
05 17" Silverado rims
99 LS 1500 5.3 "THE MULE"
Reg Cab Long Box
285/75/16E Dunlop Rover M/T
___________________________
Jason
I've got a superchips cortex programmer on mine, a buddy of mine had superchips on his dodge, so that kinda influenced my decision. Depending on what setting you have it on there is a definite increase in gas mileage, not so much now in the winter mind you doesn't help using the remote start so frequently either. . . but getting into a warm truck sometimes can be priceless especially when it is -30 C outside.
2005 Chev Silverado Z71
Magnaflow Exhaust w/ 4" Tips Split Side Exit
Chipped w/ Superchips
Does anyone have actual gas milage numbers with and without programmer? I appreciate it.
In case anyone needs to know - I have 09 Silverado Z71 with 5.3
I like my custom tune from Blackbearperformance.com Good price and any updates you want are free
2008 Silverado 1500 Ext Cab 4wd LT1 Package with 20" wheel upgrade,K&N CAI, Magnaflow Catback Dual Side Exit, Tuff Country 2" Leveling Kit, Blackbear Tune, 6k HIDS Low and High Beams, 3K HID fog lights, LED tailight bar
Diablo Predator. Works wonders on my 5.3
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