cVIZgo
New Lenox, Illinois
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Joined: 02/16/2005
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I am a proud owner of a 2011 1500 5.3 Silverado. This is not a post to have people tell me get the 6.2 or get a diesel. I'm just looking for some happy 5.3 people to share upgrades they have done to their truck. Either for towing purposes or gas milage either way I consider it an upgrade. I love the truck, it tows my Zepplin great, but I'm always looking to make things better. Things like an LT tire instead of a P tire. Cool air intakes. Tonneau cover... does it really help? Anything really, just curious what people have done.
Keep on Truckin'
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gmcsmoke
Butler
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Joined: 07/13/2008
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blackbear performance
/thread
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kpmacaz
Mesa,AZ,USA
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Joined: 09/25/2006
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Hello,
I haave a 5.3L in my 2005 GMC Yukon XL. We tow a Jayco 25RKS with it.
We have taken it to the midwest from Arizona 4 times and it performed great. I have recently drove it on a 5000 mile road trip without towing from Arizona through Yellowstone, Rapid City SD and fishing in MN and then back to AZ.
I did add a K&N cold air intake system before this last trip and I did feel the slight horsepower increase. The sound is very different.
The fuel milage on the last roadtrip talked about in previous paragraph was 18.5 mpg over 5000 miles.
We will be towing the trailer within the next couple of weeks into the mountains and I will post again on how the new cold air intake system performed climing the mountains. I am looking forward to haveing more HP at 7000 ft.
2007 Jayco 25RKS and 2006 GMC Yukon
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GWolfe
Kansas
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Joined: 07/28/2007
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I'll second Black Bear Performance, it really woke my truck up.
Feel free to ask any questions.
Flagstaff 617SD 1991
Comet Camper 1963
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Shelby624
Nova Scotia
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Joined: 08/11/2009
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You should have bought a diesel...kidding  . I have the 2009 version of your truck and like it. Handles well while towing. The only thing I have added is a trifold tonneau cover and Weather Tec mats http://www.weathertech.com/ or http://www.weathertech.ca/ . They keep the floor celan as they are like adding rubber flooring to the truck and clean up well. I will be interested to see what others have done.
2009 1500 LT Silerado Crew Cab 5.3liter/HD Trailering Package/Z71 Package Towing a 2010 Passport 300BH, Honda EU3000is Generator,too many bicycles, Two Adults, One Teenager, One Almost Teen and Finley the Camping Bunny.
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skipnchar
Topeka or somewhere else
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Joined: 12/17/2003
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Congratulations on the new truck. I wouldn't even CONSIDER towing without my tonneau cover. Really handy for keeping generator, tools and dozens of other things dry and secure while on the road. About the only way they will make any improvement in FUEL economy though is to prop them up to act as a wind deflector (I've actually done that a time or two and it does work) but doing that now means your stuffin the back is no longer being protected from ???
Good luck and happy travels / Skip
2011 F-150 HD Ecoboost 3.5 V6. 2550 payload, 17,100 GCVWR -
2004 F-150 HD (Traded after 80,000 towing miles)
2007 Rockwood 8314SS 34' travel trailer
US Govt survey shows three out of four people make up 75% of the total population
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BUFFALODAN
Buffalo NY
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Joined: 06/10/2004
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Tonneau cover, LT tires, telescoping towing mirrors, Westin black tubular runningboards, and splash guards.
2006 KZ Frontier 2505
2005 Chevy Suburban 1500 Z71 4WD
2011 GMC Sierra 1500 SLE Crew Cab 4WD
1 DW
3DD's
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CKNSLS
Northern Utah
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Joined: 07/20/2006
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BakFlip F1 Tonneau cover and Ionioc aluminum running boards. It's a 2011 LT Crew Cab with the 5.3.
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wmoses
Houston, Texas, USA
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Joined: 07/17/2010
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BUFFALODAN wrote:Tonneau cover, LT tires, telescoping towing mirrors, Westin black tubular runningboards, and splash guards.
Hmmmm .... another person who installed splash guards. I have not seen many domestic trucks of any make with splash guards.
I have the HD towing mirrors (best upgrade on a TV), Hypertech Max Energy regular tune, Undercover tonneau cover, GM drop-in bedliner, Amp Research flip-out bed extender, and moulded splash guards -- aside from the other mods you see in the picture of my truck in the signature link below.
Regards,
Wayne
2010 Jayco Jayfeather EX-Port 17Z | Tekonsha Prodigy P3 brake controller
2010 GMC Sierra 1500 SLE 5.3L Vortec V8 6-speed with Power Pack Plus Package | Hypertech Max Energy tune
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BUFFALODAN
Buffalo NY
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Joined: 06/10/2004
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Quote:I have not seen many domestic trucks of any make with splash guards.
Lots of 'em up here where it snows and road crews use tons of salt to melt it all winter long. Dealer added them along with the tonneau and bedliner as part of my deal. I agree about the mirrors - well worth the purchase.
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