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intake manifold spacer 2 or 1 w/butterfly delete?

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    #1

    intake manifold spacer 2 or 1 w/butterfly delete?

    I have an f22a w/k&n filter, short ram intake, h23 intake manifold, with 2 butterfly spacers,w/butterfly delete, adjustable fuel pressure regulator, msd blaster 2 coil, DC header, 2 1/4 exhaust, catylatic converter delete, and muffler. With A/C delete. My question is should I just use one of those spacers or use two, witch way would give me more air flow??? Please any advice would help me thanx in advance.
    Tags: None
    #2
    I think using 2 spacers will give you around 5whp but you will lose a little bit of torque.

    Comment

      #3
      The best for all around power is the 2 double stacked spacers with the IABs on the bottom and a gutted one on top. That'll retain the low-end torque and when they open up, gives you more plenum or runner volume for high end power.

      But make sure when you delete the IABs in the gutted spacer that you also take out the rod and fill the holes with JB weld and sand them smooth for the best results.

      member's ride thread
      93' EX Coupe H22A w/ P2T4 Sir 5spd 191whp 155 wtq
      99' Lexus LS400 157k VVTi V8 gets up & goes...new DD
      91 Accord SE 176k
      97' Honda Odyssey 199k miles...$485 spare van for my parents

      Comment

        #4
        Shorter the runners the further up the peak torque goes up the rev band

        Longer the runners the further down the peak torque goes on the rev band.


        Has anyone done no spacers and no butterfly spacer, just straight upper plenum connected to runners? Can that be done would like to know


        UKDM 93 CB3 Page (1) H22A U2Q7 LSD
        UKDM 91 4ws Page (3) OEM Minter
        NOW H22A U2Q7 SWAPPED

        Comment

          #5
          Originally posted by marcusv8thunder View Post
          Has anyone done no spacers and no butterfly spacer, just straight upper plenum connected to runners? Can that be done would like to know
          You would need shorter bolts of course but I don't see why it couldn't be done. I've never tried it though. Go for it.

          Comment

            #6
            It won't be 5whp with an F22A and gutted stock IAB plates. 2-3 maybe.



            And just for added info... that MSD coil does nothing. That DC header offers little gain over a cheap $50 "ebay" header... you just paid for the name, CARB number, and slightly better build quality, and removing the cat offers very little gain... all that does is give the government more reason to crack down on tuners, making it harder to pursue our hobby.
            Get a catalytic converter, please.






            Comment

              #7
              Originally posted by marcusv8thunder View Post
              Has anyone done no spacers and no butterfly spacer, just straight upper plenum connected to runners? Can that be done would like to know
              x2

              91 EX, body/chassis ~235,000; rebuilt f22a6 crate engine ~65,000 (3/2011)
              Neuspeed Super Cup Kit (7/2010)
              TAS rear drum-to-disc conversion (6/2010)
              Above photo taken - 4/2010

              Comment

                #8
                It would move the powerband up in the RPM range, and probably cost a few hp.






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