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Should i get a header

Discussion in 'General Tech and Maintenance' started by hatchproject, Mar 5, 2004.

  1. hatchproject

    hatchproject Member

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    I'm thinking about getting a header for my eg si. Right now i only have an intake and exhaust. So the question is it worth the money to get one. Some guys is selling some no name one "rocketz 4-2-1" for cheap. So i don't know if i should get it. The price is good, but i don't know might just be a waste of my money. Would i notice big gains or not? Also does anyone have any experience with this brand of header??
     
  2. pissedoffsol

    pissedoffsol RETIRED

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    garbage. don't waste your cash.

    save for a b-series =)
     
  3. UDT

    UDT Senior Member

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  4. E_SolSi

    E_SolSi Member of the 20 nut club Moderator VIP

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  5. brian11to1

    brian11to1 Senior Member

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    either save for a B series swap or a turbo manifold for you current engine. I saw save for a trubo manifold if you plan on going turbo... becuase D series are limited to all motor activity... I think
     
  6. JDMilan

    JDMilan Senior Member

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  7. hatchproject

    hatchproject Member

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    okay,thanks. I guess i will just save the money. I really want to turbo the d series that i have, but it has a high milelage. The egine still runs strong, but burns oil on vtec engagment at higher rpms. compression is about 160 across and leakdown is about 5%. How much do you think it would cost me for a custom turbo setup. I don't really want high boost, just about 4-5 psi.
     
  8. brian11to1

    brian11to1 Senior Member

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    A friend of mine builds custom turbos using DSM turbo with all custom everything else. Uhmm w/o intercooler 700, w/intercooler 800 + cost for Intercooler.
     
  9. jwn7

    jwn7 Member

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    yep, don't spend money on a header if you're going turbo or swapping. if your motor has high mileage, pull it out, get some stronger rods (i would never turbo a d16 on those pencil thin rods), get some forged pistons if you feel like it, new rings, new rod / main bearings, arp rod bolts and headstuds, and a good cylinder hone.

    also a good 3 angle valve sealing job and some serious love (replace water pump / timing belt / oil pump / all seals / gaskets / etc) will help it run like new. then boost away. you'll get real tired of 4psi real quick. build it right the first time. also look into an lsd, as a turbo ff car should definately want one.

    basically plan on spending more than you think, if you want to do it right. a nicely done turbo project can actually be pretty expensive. or you could do it dirt cheap like they do on www.homemadeturbo.com . read through their project section, so you can see what happens when you cheap out. but, i do agree with them in that custom kits are definately the way to go. some of them are done nicely, some are built for under $1000 and don't last 2 weeks.

    you'll need to upgrade your clutch, fuel injectors, and get some good engine managment - at very least a vafc, or ... hondata :worthy:. i'd plan on spending anywhere from $2000 to $4000 depending on how you can find deals, and how half assed you do it. i have to say it again, cheap, fast, reliable: pick two.

    and don't rule out an NA B18 swap just yet. i changed my mind between the 2 at least 43 times, before finally going with the b18c1. it's not in yet, but i've very happy with the decision.
     
  10. Dustin_m

    Dustin_m Active Member

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    Hhhmmmm :hmm:
    Where'd you get that one from??
    :kick:
     
  11. Capt. Orygun

    Capt. Orygun Win the Day

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    seriously though, what's the performance diff between an SI header and an ITR, besides that one is midrange and the other is high range. I mean what's the flow difference
     
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