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Thread: Fuel injector guide

  1. #31

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    it would run. I wouldn't say right.
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    for a tune talk to don at lasota racing. google it.

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    ok, so i have a stock s/r, i plan on doing all the lil mods, like pots, kenman, and ill prolly port and polish, and bore out the intake, and throw 4-2-1 or some other header, and ill prolly delete or replace the cat

    would 24#'s be the way to go, or stocks?
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    stock will suffice. Injectors are pointless unless you go FI (turbo)
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    Here are a few calculations that I borrowed from other websites...

    Calculation of cc/min required for a given amount of HP
    =================================

    BHP x 5
    ----------------- = injector size in cc/min
    # of cylinders


    Conversion between cc/min and lb/hr
    =======================

    1 cc/min = 0.01585 gal/hour
    1 gal gas = 6 lbs
    1 cc/min = 0.0951 lb/hour

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    OK I got a list of some Compatible injectors for the zx2's which one's are the 19lbs EV6. I'm so confused
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    Last edited by Diesel; 10-29-2011 at 09:42 AM. Reason: New info learned
    Mods: all the bolt on and a little more

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    Biggest thing people always say is it supports over 150hp. At the crank or wheel since thats a big difference.

    Also remember if your making power because of cam gears, upd, or freeing up power else were doesn't mean your making more power were you need to use more fuel.

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    This is pretty cool bc that means that I can use the stock ones from my SC bird since I upgraded those to 42's...

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    im running a 50 shot of nitrous will i need to upgrade to 24# injectors to prevent a lean issue...19# support up to 156 mine would make around 190 on the bottle..but i dont have a tune of any kind...not too familiar with it...but hust wondering if anyone could input on this
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    You cant just slap in higher lb injectors and walk away. You would need a kit that would add additional fuel with the nitrous, most likely it would involve a T fitting at your fuel line going to a new injector nozzle that would also have a connection for the nitrous line, usually you would fit it either in the fuel rail itself, or before the throttle plate. Nitrous isn't anything to mess up with, you can blow up your plastic intake manifold from backfire, or blow your engine block. Fancy kits have individual injectors that you would drill into each intake runner.
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  11. #41

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    can I tap into the rail and install a Schrader valve..my system is a NX wet kit.. I assumed our vehicle had one as most vehicles do

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    i was also going to install a fuel pressure regulator

  13. #43

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    Quote Originally Posted by 01zx2zhitty View Post
    i was also going to install a fuel pressure regulator
    That black square thing at the beginning of the fuel rail is your 'fuel pressure regulator', it will tell the computer to reduce the voltage going to the pump to control the pressure. You can connect an OBDII scanner and it will electronically tell you what the pressure is at any given state.

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    Quote Originally Posted by 01zx2zhitty View Post
    can I tap into the rail and install a Schrader valve..my system is a NX wet kit.. I assumed our vehicle had one as most vehicles do
    If you have a 98 ZX2 rail, then you will have a schrader valve at the end of the rail already.

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    do they just bolt up cuz ill order one lol

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