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  1. #1
    Jr. Engineer
    Z71_usmc_rebel's Avatar
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    Question 5.3 Performace Mods????

    Right now im livin the dream playin in the sandbox (iraq) lol and Im lookin to add some performance mods to the truck when i get home. But im new to the 5.3. So im looking to see what kind of mods yall have done that would give me good gains in HP and TQ?

    I already have a K&N Intake. ( I plan on adding duals, would the true duals gain more power?)

    Here are some mods I have been looking into, but arnt sure if they will give me good gains?

    Hypertech Programer
    All new Exhaust System (headers back)
    High Performance Plugs/wires

    So please feel free to leave me some advice on the items listed above and also give me any new advice on other items or specific items that can help me with good gains!
    Justin - Beavercreek,OH

    02 Z71 Ext. Cab (fully Loaded)
    * 9" Total Lift (RoughCountry)
    * 35' BF Goodrich Mud Terrain KM2s w/ 16" Chrome Pro Comp wheels
    * Hypertech Maxx Energy Programmer
    * K&N Intake
    * BlackOut Tails


  2. #2

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    Sounds like you've got some great ideas already! Another idea is an aftermarket MAF sensor. I've heard of people getting some noticeable gains from those, and some added MPG.

    So far, I've also got a K&N on my 5.3 and plan some similar mods that you listed. I'm also planning on switching over to synthetic oil soon. I don't really expect anything as far as hp or torque gains, but I've heard it makes the engine run alot better. Some of the other guys will surely have more ideas as well!

    Thank you so much for your service and God bless!!!!
    Matt
    Hallsville, TX

    2005 Silverado 1500 LS Crew Cab 5.3L 2WD
    K&N FIPK II
    Magnaflow Exhaust
    Hypertech Max Energy Programmer
    Suspension Leveling Kit
    Putco Element Window Visors
    Carriage Works Billet Grille
    TruXedo TruXport Tonneau Cover


  3. #3

    Thumbs up

    Sounds like you have the same list that most of us have considered. To go much further I'd mention the remote mounted turbo charger (mounts in the exhaust system, under the truck). Thanks for your service and get home ASAP!


    2010 Z/71 Colorado C/C
    Black 4X4 w/5.3L V8
    ===============
    2007 Winnebago Adventurer
    w/8.1L Chevy & Allison 6spd.
    Canyon Lake, Texas

  4. #4
    Jr. Engineer
    Z71_usmc_rebel's Avatar
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    Default

    where can i find this remote mounted turbo charger?

  5. #5

    Default

    This question came up a couple of days ago and the mfg. is: SQUIRES, I think. Here is a quote from that original post:
    Quote Originally Posted by tbplus10 View Post
    STS (Squires) is a great turbo system for a street driven truck and would certainly get you around 300hp. The mountng location for the turbo near the rear wheels. They suffer some from turbo lag but when it starts producing boost it comes on like a freight train. I've driven a few of their vehicles and I was impressed. If you decide on an STS system tho I recommend you buy the optional air intake diverter, I've seen a few of the STS turbos take in water and the filter is always extremely dirty.
    For the goal you have in mind this may be the best option to achieve it.
    I hope this helps!

  6. #6

  7. #7

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    Im right now doing the same thing with my 02 Silverado 5.3 im putting in a k and n intake, magnaflow dual exhaust, gibson headers, bosch iridium spark plugs , high performance spark plug wires, and a MSD ignition system and a superchips performance tuner to top it all off.

  8. #8

    Default

    Hypertech Programer -OK
    All new Exhaust System (headers back) -Excellent
    High Performance Plugs/wires -Meh
    Supercharger/Turbocharger -Hella hella hell ya!
    Custom performance tune -Great
    Syn. Oil change -Great

    2006 Chevy Silverado 1500 2WD EXT Cab
    4.3L V6 Vortec, K&N Drop-In, Flowmaster Super 44,
    3" Exhaust tip, 22" Boss #331 Rims, Clifford 50.5x Alarm,
    Escalade Gauges, DJM Leveling Kit, Billet grill, All JL Audio Speakers,
    300XD MTX amp, Two 10" Alpine SWE-1042 subs

    -Check out my photo album!

  9. #9
    Jr. Engineer
    Z71_usmc_rebel's Avatar
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    awesome thanks for the input so far! if anyone has any other items I should look into please let me know! im starting to put the shopping list together now..Hopefully this doesnt break the bank to bad..or I might have to come back to this sh*t hole of a country.. ha

  10. #10
    Sr. Apprentice sgt_in_usaf's Avatar
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    Default

    Justin, please post which mods you put on and how it performs. I've also got a 5.3L and I'm heading out to Camp Victory in Oct...so I'll be makin a little coinage to mod my burban. Good luck and stay safe!
    Andrew
    Grand Forks AFB, ND

    2001 Chevy Suburban LT K1500 V8 5.3L 4x4
    - 16" Goodyear Wrangler Fortera tires
    - K&N air filter

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