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4.8 upgrades?

This is a discussion on 4.8 upgrades? within the Performance forums, part of the General Discussion category; so i have a 2001 4.8 and i wanna get like 350-400 horses out of it... what would be some ...

  1. #1
    Registered User Juice4.8's Avatar
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    4.8 upgrades?


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    so i have a 2001 4.8 and i wanna get like 350-400 horses out of it...
    what would be some upgrades i can do besides CAI, exhaust and tune before i get a supercharger? looking to spent about 1500

  2. #2
    "Just Harry" TheJavelin's Avatar
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    Re: 4.8 upgrades?

    6.0 swap. Anyway, 1500 on the super charger or 1500 before the supercharger?

  3. #3
    -Jeremy XLR8N's Avatar
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    Re: 4.8 upgrades?

    Are you wanting to have that much power at the wheels or flywheel?
    Quote Originally Posted by Xander Berkeley
    I'd better make hay while the sun shines.

  4. #4
    GMC RULZZ NEUMANNZZ's Avatar
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    Re: 4.8 upgrades?

    if you plan on getting a supercharger just do the exhaust for now including y pipe or long tube headers. get a tune after you get the supercharger.
    O2 GMC RCSB 4.8L V8 AUTO 3.73's
    rebuilt/beefed up 4L60E(at 43,000miles)
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    LM7 Outlawz2004's Avatar
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    Re: 4.8 upgrades?

    cam it and add a stall, gears, intake,pullies, headwork, longtubes, custom tune. then later add the supercharger. you would be around 280-300 to the wheels and should be a fun truck.

  6. #6
    GMC RULZZ NEUMANNZZ's Avatar
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    Re: 4.8 upgrades?

    Wait, if your in California your gonna be limited to smog (carb) legal upgrades.
    Last edited by NEUMANNZZ; 06-11-2010 at 10:27 AM.
    O2 GMC RCSB 4.8L V8 AUTO 3.73's
    rebuilt/beefed up 4L60E(at 43,000miles)
    Matching Ninja 500r


  7. #7
    Registered User Juice4.8's Avatar
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    Re: 4.8 upgrades?

    Well I already have intake and exhaust and I was thinking of ordering a tune from nelson wheatley or black bear.

    Would the supercharger/Turbo blow my engine with stock internals?

  8. #8
    Registered User Juice4.8's Avatar
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    Re: 4.8 upgrades?

    Well I already have intake and exhaust and I was thinking of ordering a tune from nelson wheatley or black bear.

    Would the supercharger/Turbo blow my engine with stock internals?

  9. #9
    Proud to be an Idiot bobzilla75's Avatar
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    Re: 4.8 upgrades?

    YEs. It wil explode instantly, into a massive ball of fire.
    Founding member of the Indiana Chapter of the Teeny Weeny Club for Secure Adult Males

  10. #10
    Registered User Juice4.8's Avatar
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    Re: 4.8 upgrades?

    Like nuclear? Hahaha smart one

  11. #11
    Proud to be an Idiot bobzilla75's Avatar
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    Re: 4.8 upgrades?

    http://www.summitracing.com/parts/VOR-4GL218-128SQ/

    Made to fit a stock engine. Now it you want to push 20psi from a twin turbo set up, yeah you probably want to build the bottom end a little. I hear there's this really neat SEARCH feature that would probably help you here.
    Founding member of the Indiana Chapter of the Teeny Weeny Club for Secure Adult Males

 

 

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