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HElp with injector size

Discussion in 'Forced Induction' started by vanilladutch89, Jul 2, 2007.

  1. vanilladutch89

    vanilladutch89 H22_(ivi)

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    i have a 93 honda civic coupe 1.6 turbo its got the d16 in it and running 5 psi what size injectors should i put in it it runs bogy sometimes and i cant floor it or it will bog out wat can i do to fix this as well do i need to do a fuel pump if i do injectors im only doing 5 psi and if i use b16 injectors will that help any ?? and will a fuel pressure regulator work any ?? please help
     
  2. scottp11

    scottp11 The Seniorest Member....

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    I did a thread on this. Alot of people helped me out. Check it out.
     
  3. pissedoffsol

    pissedoffsol RETIRED

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    z6 and b16 injectors are the same size.
    5 psi means nothing.
    what are you running for fuel management
     
  4. vanilladutch89

    vanilladutch89 H22_(ivi)

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    fuel managment i have nothing all stock i do haeve a fuel pressure regulatrer i could put in though would that help ?

     
  5. pissedoffsol

    pissedoffsol RETIRED

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    thats why you're breaking up. lol

    you CANNOT run a turbo car without some type of rising rate FPR (aka, and FMU) or a computer capabale of reading boost, and associated fuel tables with it (ala crome, hondata, aem ems, etc)

    with those things, you may need larger injectors, pumps, different map sensors, etc.
     
  6. vanilladutch89

    vanilladutch89 H22_(ivi)

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    soo if i run a fpr that will fix the breaking up ?? and what if i buy a chip for it i haev a p28 that socketed will that work an y ?


     
  7. vanilladutch89

    vanilladutch89 H22_(ivi)

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    hey abnout the injector thing i posted if i add a fuel pressure regulator it will make my car not bogg out ??? and soo i can floor it ?? and honestly will my loww boost i dont need to do injectors or fule pump do i ?? please help
     
  8. pissedoffsol

    pissedoffsol RETIRED

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    stop driving your car now before you blow it up... if you haven't broken anything already.


    buy some 440-550 CC sized injectors from RC, or mod ones from a DSM.
    get a p28 socketed ecu
    visit a tuner who can help you get a tune with a wideband on your car.
     
  9. scottp11

    scottp11 The Seniorest Member....

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  10. vanilladutch89

    vanilladutch89 H22_(ivi)

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    those size injectors with only like 4-6 lbs of boost ??


     
  11. vanilladutch89

    vanilladutch89 H22_(ivi)

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    and if i get the fpr will that help any ? and i have a socketed p28 could i get any kind of chip offline thats for boost ?
     
  12. vanilladutch89

    vanilladutch89 H22_(ivi)

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    i kno i have alot of questions lol but i herd that i could use injectors out of a mitsubishi soo if i got some off of a turboed mitsubishi ide be good rigth ??? do u kno what other injectors will work for honda ??
     
  13. silver

    silver Senior Member

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    If you get DSM injectors you're going to need a resistor pack.
     
  14. vanilladutch89

    vanilladutch89 H22_(ivi)

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    ok wats a resistor pack ?? and imma def need injectors u think im not running no 20 lbs or anyhting im runnign very low boost soo u dont think stock everything a fpr and a tune will do good ?


     
  15. silver

    silver Senior Member

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    What size are stock injectors? Around 250cc range I think? You can't make power without fuel--don't cheap out on your fuel system.

    DSM injectors are low impedance, and we already have a resistor pack wired into the system. Hondas are set up for high impedance injectors, and thus to run low impedance ones you have to wire a resistor box/pack/whatever into it. Honda-Tech.com: Forced Induction: Official Injector Resistor Box Install......56k, Buy Broadband. has a lot of information (mods feel free to remove the link if it's not allowed).
     
  16. jdmb16asi

    jdmb16asi New Member

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    look stop confusing the kind . look this is what you do. first park your car at your house do not drive it at all. you need ENGINE MANAGEMENT- ok, you're going to need a way to deliver extra fuel to your car once it leaves vacuum and goes in to boost (more air = need more fuel obviously). there are many ways to go about this and i'm not going to go in to depth, this are requires you to SEARCH extnesively to find out how each works and what's best for your application, i'll will break it down with a 'short' summary of the most common methods.

    fmu = a mechanical device that raises fuel pressure per amount of boost that it sees via a vacuum/boost source. very cheap, very unreliable, very primitive, no way to tune, very shitty. good for about 7 psi. 'safely'. not reccomended. price = $60-$100

    (s/v)afc 'hack' = this is use in conjuntion with bigger injectors to deliver more fuel, you use the afc to control how much extra fuel the injectors will deliver. pretty expensive and not all that great, it advances timing and unless you use a timing retard device (which is more money spent) you have to manually retard timing at the distributor (dizzy) which causes you to lose bottom end power. a lot better than an fmu, but for the price, there are better alternatives. price = $175-$300 for afc, $40-$75 for 450cc injectors.


    uberdata (obd1), turbo edit (obd0), crome (obd1) = programs are available to chip the stock honda ecu and use it as a fully tuneable system that can be compared to a stand alone system. these programs are used in conjunction with larger injectors for boosted applications. there are programs for obd0, obd1. to use an obd1 program on an obd2 vehicle, all you have to do is get an obd1 ecu (obd2 ecu's can't be chipped 'yet') and an obd2 to obd1 conversion harness. best bang for the buck by far! price = depending on your knowledge and resources chipping your ecu can cost $15-$100 and $40-$75 for 450cc injectors.

    hodata, aem ems, and other stand alone systems = definitely the best way to go, but cost BIG dollars, if you have the money to spend on that stuff for your first turbo set up, you probably won't be reading this anyways.

    information on engine management can be found here:

    www.pgmfi.org
    http://www.homemadeturbo.com/forum/index.php?board=6;action=display;threadid=14497

    http://www.ecimulti.org/uberdata/forum/
    www.turboedit.org
    http://www.homemadeturbo.com/forum/index.php?board=6;action=display;threadid=14497
     
  17. gettocrx

    gettocrx Member

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    :werd:
    If you don't got any local tuner or anyone to chip your ecu.. Try visiting John at Phearable.net, for a chipped ecu with a crome or uberdata program made for you setup for $175 + shipping! Since your running low boost the map will be pretty good! And for injectors I say try to get saturated 440cc or so, so that you won't worry about resistors if you're willing to spend $300! For less than $500, beats blowing up a motor!
     
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