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05-29-2013, 10:14 PM #11
05-30-2013, 01:10 PM #12
I gather that dumb plastic around the wheel wells and cheezy ebay LEDs around the headlights makes the 2014 Sierra more "Professional Grade".
2013 Silverado LTZ White Diamond Crew Cab
Advent OGM1 Navigation
Husky Liners GearBox Underseat Storage
EGR Rail Caps
K&N Air Filter
Flowsound 40 Muffler
Hypertech Max Energy Tune (only top end limiter removed and AFM disabled)
Chrome Tailgate Handle Cover
TonnoPro HF-155 Tonneau Cover
WeatherTech Front and Rear Splash Guards
Husky Liners X-Act Contour Floor Liners
WeatherTech Side Window Deflectors
05-30-2013, 01:30 PM #13
I saw the Mythbusters one. I wonder if a bed cover helps to improve gas mileage at all, on the race trucks used in the NASCAR Camping World Series they sheet metal over the back of them.
Would have been interesting if they tried that in the wind tunnel as well.
05-31-2013, 07:01 AM #14
As someone else mentioned, I would bet that would depend on the cover and existing truck characteristics in the tunnel...if the wind already passes over the bed without turbulence, then adding a cover might be a wasted effort; a loose toneau flapping in the wind (my dad's truck comes to mind) might actually cause drag where as a hard toneau might not have as much drag, but weigh nearly 100 pounds (added weight negates fuel savings).
06-03-2013, 10:31 AM #15Clint (TX) 2001 Silverado LS 4.8L auto 2wd ECSB [GARAGE]
Gasoline or gunpowder: If you ain't burning one, you ain't having fun!
NRA Endowment Member 5 24 48 88 - Hendrick Motorsports FTW!
06-03-2013, 06:37 PM #16
2011 Silverado CrewCab 5.3L*Ram Air Look Cowl Induction Reflexxion Hood*6" Pro Comp Lift*Flowmaster Dual exhaust*Perfect Launch Rear Diff. Cover*Led Smoke Taillights*L.E.D.Smoke 3rd Brakelight*60" L.E.D. Tailgate Bar*Rearview Mirror Reverse Camera and Sensors*Smoke Headlight Covers*Front Bumper Grill Insert*Deezee Black Alum. Diamond Rail covers*20" Ultra Motorsports Rims wrapped with 35.5"B.F. Goodrich Tires*Inchannel Raingaurds*CAI*Bullydog GT Tuner*Alpine Amp*Boss 6x9's*Boston Acoustic Subs*Terrantula Tweeters*Custom Sub box*Red Led Interior Accents*5% Ultimacool duo tint rear window and doors, 20% front doors*Custom Vinyl Graphics*Demolded*Debadged*Painted drums and calipers*
Future Mods Include: Custom Interior Hydrographics, Electronic Rollup Toneau Cover, 4.56 Gears, Painted rear bumper
06-17-2013, 12:30 PM #17
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Grrrrr, the OP in this thread is from TruckingTimes ... and Google Chrome flagged the entire Chevy Truck Talk forum because of the content in the ONE POST that was copied from that other website.
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