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B18 And B20 Heads

Discussion in 'Engine Building' started by Nopspawn, Feb 26, 2003.

  1. Nopspawn

    Nopspawn Senior Member

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    I'm going to be getting a b20 and adding on a turbo, and I was wondering I know the ls head is better, but is there really a difference? I know that the cams are different, so could I just save money and buy ls cams or should i just swap for the ls head?
     
  2. TRuggiero_

    TRuggiero_ Senior Member

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    I would definately change the head, not only does the B20 head flow for shyt, have pretty much 0 powerband, it's not vtec too. You can't switch the cams though cause 1.8L cams won't fit a 2.0L.
     
  3. solblu

    solblu Senior Member

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    They are the same head. LS = B20 head. For that matter the block is the same too, just a different bore and sleeve. Just get some LS turbo cams and a good Intake manifold and your set.
     
  4. SolReaver

    SolReaver Senior Member

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    :bash:

    why dont you go into detail about how much more the ls head flows than the b20 head? The intake manifold is different, and you would need a different one anyways cause the crv one wont clear a civic hoodline.
     
  5. TRuggiero_

    TRuggiero_ Senior Member

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    Hmm, I guess you'd be right. But I never said anything about using an LS head. If it were my B20, I wouldn't waste my time using an LS head, I'd get a vtec one. Because as you said, they are the same heads.
     
  6. pissedoffsol

    pissedoffsol RETIRED

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    wtf? your posts make no sense :sleep:
     
  7. MACspeed

    MACspeed Junior Member

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    Im going for a B20 turbo as well. At this point, i want to worry about tuning the turbo end first. I dont want to have to fuck with VTEC and turbo. Isnt the B20 head the same as an LS with diffrent cams? I was thinking about just port\polish the head, throw some cams at it and get a GS-R intake port\polish.
     
  8. Zerosk8r455

    Zerosk8r455 Senior Member

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    ok..what's the deal with the v-tec heads? i thought v-tec's main function was for lessened gas consumption...i know it also adds a lil' bit of power when it kicks in..but is it worth it to pay more for v-tec?
     
  9. pissedoffsol

    pissedoffsol RETIRED

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    you have no conecpt of VTEC at all.
    and notice, there's no dash. v-tec doesn't exist. neither does VTECH or V-tech.

    and on top of all things- STAR TYOUR OWN GOD DAMN THREAD WHEN IT DOESN'T RELATE TO THE TOPIC AT HAND.

    now, for b20/ls heads- the difference are:

    cams on the b20 are a little less duration.
    intake manifold is that gay giraffe style that wont clear a civic hood on a b20b. the b20z IM will. however, the b18b IM out flows both of those.

    A gsr IM intake won't fit an ls or b20. the bolt pattern is different. plus, the ls ecu doesn't have IAB controls. so basically, no.
     
  10. Nopspawn

    Nopspawn Senior Member

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    thanks for the info B
     
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