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Next Upgrade?

Discussion in 'General Tech and Maintenance' started by lude9593, Jul 21, 2004.

  1. lude9593

    lude9593 Senior Member

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    I am currently pondering what I should do next. I have basic bolt-ons and have advanced the timing on my Prelude. I would like to keep the internals stock and keep it reliable but I would like to squeeze a little more power out of her. I don't know if I should upgrade the ECU or not. I've also been looking at getting a new throttle body and intake manifold but I don't know where a good place to look for those is. It is hard to find stuff like that for the H23 motors. I've seen some OBX I/M on ebay for $175 but for that price, it raises questions about quality. Also, what size throttle body should I go with. I was thinking maybe 64-66MM. Sorry this was long but thanks for your opinions.
     
  2. swanny

    swanny Senior Member

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    Go with a 70mm TB and don't waste your money on a intake manifold unless you are going turbo. Some mild cams with springs and retainers would be your best bet after your basic Intake/Header/Exhaust.
     
  3. CRseX84

    CRseX84 Senior Member

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    id get a Skunk2 intake mani.. and then hit up the cams... IF, you have a full exhaust and intake coverd already...
     
  4. JDMilan

    JDMilan Senior Member

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    look into your gearing, I am not sure what the gearing of the H23 vs. the H22 is but you might want to look into that,


    also not sure if this helps but have you considered getting a Jspec H22 or uspec H22, your mounts work, shiftlinkage, and axles...I am sure it would be pretty much a drop in and some minor wiring..
     
  5. lude9593

    lude9593 Senior Member

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    Thanks for the response. I have thought about maybe dropping a JDM H22 in there but right now I don't need to spend that kind of $ cuz I'm 19 and have a 7 month baby girl but that's a possibility down the road. About the TB, wouldn't 70MM be a little big for a NA application? I would think that would be better for forced induction. Also, would a high-flow cat be worthwhile? I have headers and cat-back exhaust. How big a gain should I expect? I wouldn't think it would be too noticeable. Oh yeah, the gearing of the H23 and H22 are pretty similar. The H23 is a little bit longer but nothing noticeable if I'm not mistaken.
     
  6. swanny

    swanny Senior Member

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    I think the stock TB is something like 63-64 mm so 70 isn't all that big
     
  7. lude9593

    lude9593 Senior Member

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    I don't think it's that big. I think it is 60mm. So 66-68 would probably be a good size.
     
  8. swanny

    swanny Senior Member

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    Auto = 58mm
    Stock = 60mm
    Type-S/Euro-R = 62mm
    Max Bore = 64-64.5mm :blink:
     
  9. lude9593

    lude9593 Senior Member

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    So 64mm is the biggest I should go?
     
  10. ssl2k

    ssl2k Senior Member

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    HMT.

    nuff siad

    save yer money

    that'd be bad ass

    h23 w/ turbo.

    lol
     
  11. BlackFrog

    BlackFrog Neighborhood Lush

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    if your 19 and expecting a daughter, your next mod should be a mini van.



    seriously though, cams would probably be your best bet, i dont think your going to notice much gains with a bigger T/B
     
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