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Intake Manifold Questions

Discussion in 'General Tech and Maintenance' started by Hatchbacks Anonymous, Jan 27, 2004.

  1. Hatchbacks Anonymous

    Hatchbacks Anonymous Senior Member

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    I saw a topic about an intake manifold and I got to thinking:

    1. How hard are they to install?
    2. What is a good one?
    3. Is it worth it?
    4. Does it effect smog for CA?

    The reason I am asking it is because a lot of people say it is a good idea but I hear some people say they are not worth it. I believe Skunk2 makes a good one but I dont even know who whould make another one. It wouuld be going on a '96 GSR. Thanks in advance. :D
     
  2. H22AdelSol

    H22AdelSol Senior Member

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    Isnt an Intake Manifold the most power adding bolt on you can get? I dont have an aftermarket one so dont take my work for it.
     
  3. TDaddy

    TDaddy Senior Member

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    1. How hard are they to install?

    Easy, just bolt on.

    2. What is a good one?

    Depends on who you ask.

    3. Is it worth it?

    I think so, I did it to my car.

    4. Does it effect smog for CA?

    It shouldn't, as long as you can still hook up your O2 sensor.
     
  4. SolLess16

    SolLess16 Senior Member

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    Not at all , any kind of forced induction is the most power gainer, Intake manifolds arent really worth the money unless you have alot of mods such as forced induction or ALOT of NA mods such as cam (s) high compression pistons and so forth
     
  5. asmallsol

    asmallsol Super Moderator

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    yea and no. If your really into things like autox and you try and be compeditive with your mods. It can be a smart idea since it is legal in DSP. With the GSR intake, the intake is huge and pretty bulky. Every few pounds count. Also, I have seen some say up to 12 hp on one.
     
  6. B16

    B16 Super Moderator VIP

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    you have an O2 sensor on your intake manifold?? :blink: :blink:
     
  7. gocivicls

    gocivicls Senior Member

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    If you don't have a lot of cash.....then stay with the GSR maini!!

    Why????? Cuz the secondary butterflies in the manifold go hand-n-hand with the GSR's ECU. Have you ever noticed the GSR's Vtec kicks in earlier than the other Vtec powerplants with single stage manifolds?

    If you decide to get an aftermarket manifold then go with the Skunk2 and change to a chipped P28 or P30 ECU to match the power band.
     
  8. pills_PMD

    pills_PMD Super Moderator

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    i wouldn't go as far as to say its an "easy install" there are a lot of things you have to worry about if you dont have access to a hoist etc. you will alos have to drain quite a bit of coolant.. i did mine when the motor was out of the car, so it was super easy.. but some of the bottom bolts are tough to get to with hand tools on a b series...
     
  9. Slammed90Lude

    Slammed90Lude Senior Member

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    the vtec doesn't kick in any earlier- the cam change is at the same RPM- that change in noise is just the secondary butterlies in the intake manny
     
  10. B16

    B16 Super Moderator VIP

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    what are you talking about? on GSR the vtec goes on at 4400, that is way earlier than other B motors. its the butterflies that open later, ~5800 rpm.
     
  11. Hatchbacks Anonymous

    Hatchbacks Anonymous Senior Member

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    Serious? I never knew what that was. I was telling one of my friends to lesten to it but I didnt know what it was. At about 4400 rpm something would change, didnt know if it was VTEC because the regular VTEC kicks in at about 5500 or 5700. At about 4400 it felt like another VTEC or something. The one that kicks in at 5500 or so, is powerful.

    B16, if you can, please explain to me what is going on with my car. (the 4400 VTEC thingy) :D
     
  12. Slammed90Lude

    Slammed90Lude Senior Member

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    hmmm that's weird- i guess scott's gsr was fucked up then, because there was def. a buttefly change before the actual came change over

    or at least some change that didn't feel like a full cam changeover- oh well, my bad
     
  13. B16

    B16 Super Moderator VIP

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    you have it backwards



    explain what? i just did, lol. vtec goes on at 4400, secondaries open at around 5800.
     
  14. Hatchbacks Anonymous

    Hatchbacks Anonymous Senior Member

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    So is it a single can VTEC at 4400 and the DOHC VTEC at 5500??
     
  15. Slammed90Lude

    Slammed90Lude Senior Member

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    ^^^^^^^^no- this part i at least know- haha it's the secondary butteflies in the intake- GSRs have a two stage intake, the butterflies that we are talking about are what switches between the long runners and the short runners


    yeah i guess so- it just seemed like there was an audible sound change before full on vtec hit- oh well i'm a tard- hopefully i'll remember better once the gsr is in my civic
     
  16. Hatchbacks Anonymous

    Hatchbacks Anonymous Senior Member

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    Exactly me too! I did not know how to discribe it as well as you did though. :D
     
  17. Slammed90Lude

    Slammed90Lude Senior Member

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    thanks, that's my college edumication working there
     
  18. B16

    B16 Super Moderator VIP

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    haah, no, both cams go into vtec... like slammed said, its your secondary butterflies in the intake manifold that open up at the later RPM.


    that audiable noise is infact vtec engaging. the loudness you hear later is the secondaries.
     
  19. Slammed90Lude

    Slammed90Lude Senior Member

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    wow no shit- learn something new everyday, it's a good thing i never told anyone else that
     
  20. gocivicls

    gocivicls Senior Member

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    It's cool!!! We all learn everyday..........Even the moderator's I'm sure!!!
     
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