Thread: Quick injector upgrade question

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  1. #1 Quick injector upgrade question 
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    I am looking at a list of mods I would like to eventually complete for my 00 GT, DP, front powerlog, catback system(maybe), bigger TB with spacer, PCM and maybe the intake insert. My question is, is there a point where the stock injectors will need to be upgraded?
    00 Red GT - ZZP PCM, ZZP HV TB, TRANSGO kit, GMPP Sway Bars, Strut Tower Braces,
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  2. #2 Re: Quick injector upgrade question 
    I live here. ericspecullaas's Avatar
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    Go top swap its the best bank for the buck
    im a cookie again yay me
    Quote Originally Posted by Bio248 View Post
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  3. #3 Re: Quick injector upgrade question 
    GrandPrix Junkie SgtMarshal's Avatar
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    Not on a gt. You would have to top swap it or turbocharge it to need bigger injectors
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  4. #4 Re: Quick injector upgrade question 
    I live here. ericspecullaas's Avatar
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    Haha beat ya to it
    im a cookie again yay me
    Quote Originally Posted by Bio248 View Post
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    Quote Originally Posted by Kilroy View Post
    It is a type of spiced shortcrust biscuit.
    only one person looked it up lol
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  5. #5 Re: Quick injector upgrade question 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    A bigger throttle body and spacer are useless, you won't ever outflow them.

    Only use a spacer if you plan to use NOS or meth injection.

    Your NA car won't be able to max the fuel injectors with those mods.

    SMGPFC Member #1
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  6. #6 Re: Quick injector upgrade question 
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    Quote Originally Posted by ericspecullaas View Post
    Haha beat ya to it
    But you didn't answer his question
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  7. #7 Re: Quick injector upgrade question 
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    Quote Originally Posted by Fivefingerdeathpunch View Post
    A bigger throttle body and spacer are useless, you won't ever outflow them.

    Only use a spacer if you plan to use NOS or meth injection.

    Your NA car won't be able to max the fuel injectors with those mods.
    Thank you that helps alot
    00 Red GT - ZZP PCM, ZZP HV TB, TRANSGO kit, GMPP Sway Bars, Strut Tower Braces,
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  8. #8 Re: Quick injector upgrade question 
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    Quote Originally Posted by ericspecullaas View Post
    Go top swap its the best bank for the buck
    If you decide to top swap it, I have a harmonic balancer for sale for supercharged 3800's
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  9. #9 Re: Quick injector upgrade question 
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    I've have always been interested in the idea of the top swap but the amount of work seems daunting. In my browsing I remember seeing a sticky or complete write up on the swap but cannot seem to find it. Anyone help?
    00 Red GT - ZZP PCM, ZZP HV TB, TRANSGO kit, GMPP Sway Bars, Strut Tower Braces,
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  10. #10 Re: Quick injector upgrade question 
    GrandPrix Junkie SgtMarshal's Avatar
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    Look in the l36 section of engines
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  11. #11 Re: Quick injector upgrade question 
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    It was right in front of my face, got it.
    00 Red GT - ZZP PCM, ZZP HV TB, TRANSGO kit, GMPP Sway Bars, Strut Tower Braces,
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  12. #12 Re: Quick injector upgrade question 
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    I have a sale thread in the classifieds if you want more info.
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  13. #13 Re: Quick injector upgrade question 
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    Is it safe to say that this is way over priced?

    http://zzperformance.com/3800/superc...arger-kit.html
    00 Red GT - ZZP PCM, ZZP HV TB, TRANSGO kit, GMPP Sway Bars, Strut Tower Braces,
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  14. #14 Re: Quick injector upgrade question 
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    Ye ah that's way over priced you can go to your local junk yard and pick up the head, blower and balancer for way less. Then get all the gaskets for about 150 and a few hours of your time then you can have more power
    im a cookie again yay me
    Quote Originally Posted by Bio248 View Post
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  15. #15 Re: Quick injector upgrade question 
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    You could probably find a used set of ported heads on here for about 500, stick an xp cam in it and enjoy the 300+ horse power at your wheels
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  16. #16 Re: Quick injector upgrade question 
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    ok, I have been offered a ported S/C and TB plus balancer and oil filter relocater kit for 800, what is ballpark for rest?
    00 Red GT - ZZP PCM, ZZP HV TB, TRANSGO kit, GMPP Sway Bars, Strut Tower Braces,
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  17. #17 Re: Quick injector upgrade question 
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    I guess to begin with, my motor has 128k, would a top swap be smart?
    Last edited by 00RedfireGT; 11-16-2015 at 09:18 PM. Reason: mispelling
    00 Red GT - ZZP PCM, ZZP HV TB, TRANSGO kit, GMPP Sway Bars, Strut Tower Braces,
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  18. #18 Re: Quick injector upgrade question 
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    you could get a set of stock L67 heads for 150 shipped, or find a local junkyard and should be able to get both heads for 100. then you would need the lower intake manifold, and that would be about 50. you would need to swap out your map sensor for an L67, probably find one of those for 50, then you would need a set of L67 injectors, and those would be about 40 or 50. then if you wanted to really make your top swap shine, you could add an XP cam, a new one is about 325, a set of 130 lb valve springs for 100, valve seals are about 20, valve cover gaskets are about 20, and modified valve spring retainers are about 20, and a new set of valve locks are about 20. you would need a double roller timing chain which is 130 for a new one, a machined oil pump cover for 40 or something. and that should just leave you needing all the gaskets necessary when changing all the parts.

    you would also need headers to maximize the airflow. you can get a new set of speed daddy headers for 250.

    at some point you will need some transmission work.

    someone correct me if im wrong.

    edit for additional info: a top swap at that mileage is fine.
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  19. #19 Re: Quick injector upgrade question 
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    http://www.oreillyauto.com/site/c/de...r+adapter+seal for the oil

    http://www.oreillyauto.com/site/c/de...anifold+gasket for the lower intake manifold

    then you got engine oil, new head bolts and coolant plus belts soo maybe 250 bucks left in parts
    im a cookie again yay me
    Quote Originally Posted by Bio248 View Post
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    Quote Originally Posted by Kilroy View Post
    It is a type of spiced shortcrust biscuit.
    only one person looked it up lol
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  20. #20 Re: Quick injector upgrade question 
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    wow, thank yo all for the info. Not sure if i just wanted to do a couple exhaust mods or go for the full top swap. I will post when I know
    00 Red GT - ZZP PCM, ZZP HV TB, TRANSGO kit, GMPP Sway Bars, Strut Tower Braces,
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