iceman1575 Posted January 17, 2013 Report Share Posted January 17, 2013 Trying to boost my truck's performance a bit. At the moment, I've been getting 12-13 city, 15 highway. Been fixing all immediate problems (o2 sensor, fuel sensor which turned out to be a broken solder joint, heater core which is in the process as we speak, and eventually transmission rebuild), and also replaced spark plugs as it turns out they were pretty wore down, so hopefully that will help. Once the transmission is rebuilt (which may be as soon as next week) I'm going to be looking at basic mods to my truck to increase performance. One of my friends has a 2006 Sierra similar to my truck (5.3 V8, 4WD z71, etc) and just installed a Spectre CAI and a Bully Dog GT tuner, and he's saying he's getting 22mpg highway. I'm obviously not just going to attain that, as his probably ran a bit better than mine, but my main concern is if the CAI is good enough for the price, and if anyone has recommendations as far as tuners go. POTATO! Link to comment Share on other sites More sharing options...
AMI CUSTOMS Posted January 17, 2013 Report Share Posted January 17, 2013 Longtube headers and custom tune is best bang for the buck, CAI doesn't do awhole lot, just change the filter out unless you want to spend $200+ on a nice look CAI, they are pretty much for looks on these trucks. I am assuming 99-06 range GM 5.3 pickup??? TEAM SOUNDQUBED -- TEAM SOUTH TEAM S.O.B. - Founder & Captain 3x Streetbeat World Record Holder 2017 MWSPL 1st place Mayhem & 4th Xtreme 4 2016 MWSPL 1st place Mayhem/2nd Adv 4/2nd Xtreme 4 2015 MWSPL 2nd place Mayhem & 4th Xtreme 4 2014 USACI 2nd place Streetbeat 5 - 162.6 db 2014 MWSPL 2nd place Xtreme 4 - 144.9 db 2013 USACI 1st place Streetbeat 4 - 161.9 db 2013 USACI 1st place Street Q+ - 162.8 db 2013 MWSPL 3rd Kaos2 & 4th Xtreme 4 2011 USACI 2nd place MOD 1001-2k - 160.0 db 2011 MWSPL 4th place: Adv3 - 157.8 db, Kaos2 - 150s db, Xtreme4 - 140s db 2010 ARSPL 1st place 501-750 - 160.3 db Arkansas loudest Best score to date 164.4 db - Termlab Outlaw Streetbeat 4 - 161.9 db Streetbeat 5 - 162.6 db MWSPL on Dash Legal door open (Music) - 162.5 db Sealed on dash Legal (Music) - 161.1 db - Termlab THE BLACK NASTY CURRENT BUILD & FAB The Black Nasty (6) 15 Rebuild Log 2012 (4) 15 Walled Sierra Build Log Evo X build log Facebook page The Black Nasty Link to comment Share on other sites More sharing options...
WICK3DxGATA Posted January 18, 2013 Report Share Posted January 18, 2013 true tune, hand helds are useless. cai doesnt do much really. longtubes and full exhaust will help also. but the number one thing is drive your truck right. i have a 99 5.3 z71 and i got 19 mpg with cruise control set at 80. thats with true dual exhaust, true tune, and cai. but now my gas millage has gone down because i installed cam and stall. 99 Gmc sierra extended cab front speakers: DB drive 6.5 back speakers: DB drive 6.5 amp: none right not subs: none right now Future waiting to get my 2 skar vvw 8s installed Link to comment Share on other sites More sharing options...
boom50cal Posted January 19, 2013 Report Share Posted January 19, 2013 Change your gear ratio for your suited driving style. If your doing heavy highway driving, 3.08's are perfect with a 4L60E. I can get 22 highway with my truck, Vortec 350/4L60E/3.08's, but I get 12-15ish city too. If your driving a lot in town, 3.73's and keeping it out of overdrive can help out. On 1/4/2013 at 9:31 PM, HatersGonnaHate said: Wow. 184 posts and I think you're a fucking asshole. Link to comment Share on other sites More sharing options...
iceman1575 Posted January 19, 2013 Author Report Share Posted January 19, 2013 Change your gear ratio for your suited driving style. If your doing heavy highway driving, 3.08's are perfect with a 4L60E. I can get 22 highway with my truck, Vortec 350/4L60E/3.08's, but I get 12-15ish city too. If your driving a lot in town, 3.73's and keeping it out of overdrive can help out. That's the problem, I do a lot of both. I'm not sure if the 3.08's would be better for emergency response as well though. I'd like to get 15 city and 20 highway minimum, and try and keep it cheap as possible, but not too cheap. POTATO! Link to comment Share on other sites More sharing options...
boom50cal Posted January 20, 2013 Report Share Posted January 20, 2013 3.24's maybe. If they make about a 3.35 gearset for your axle that'd be perfect for both. Or 3.42's. They arent had to find. On 1/4/2013 at 9:31 PM, HatersGonnaHate said: Wow. 184 posts and I think you're a fucking asshole. Link to comment Share on other sites More sharing options...
iceman1575 Posted January 20, 2013 Author Report Share Posted January 20, 2013 I have no idea...I just want to conserve fuel as much as possible on the highway, while still having power and response when responding to the station... POTATO! Link to comment Share on other sites More sharing options...
iceman1575 Posted February 2, 2013 Author Report Share Posted February 2, 2013 Well, a little update, my trans is being rebuilt as we speak. Friend of dad's is rebuilding it and putting a new torque converter on for $1000, so I'm happy for that, it should solve some of my gas problems (trans has been going out and I think the torque converter was failing as well), I was only getting 12mpg hwy on my last run for work -.- so after this I'm hoping for a decent (but cheaper) CAI like the Spectre's, then working on fixing what I need to tune. POTATO! Link to comment Share on other sites More sharing options...
MREYNA Posted February 25, 2013 Report Share Posted February 25, 2013 U can get tuned .with HP tuners theres some tuners that do mail order tunes,but yea upgrade your exhaust and then get tuned. 94 GMC ext cab 4 12" big bang 2 big bang2400.1 Mids & highs comin' soon Link to comment Share on other sites More sharing options...
moominer97 Posted March 27, 2013 Report Share Posted March 27, 2013 I have the k&n 57 series CAI on my 06 silverado with the 5.3. In all honesty, can't tell a lick of a difference performance or fuel mileage wise. I like to imagine sometimes that it sounds cool. Want to get a tune for mine but not sure what I would do since its a daily driver during the week and want fuel mileage, then pulling a trailer on the weekends. Link to comment Share on other sites More sharing options...
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