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B18a Vs B20b

Discussion in 'General Tech and Maintenance' started by SOHCMUGENCRX, Jul 20, 2004.

  1. SOHCMUGENCRX

    SOHCMUGENCRX Member

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    Im swapping a new motor in my car and I have a choice between b18 or b20, the application will be a small turbo and direct port nit. can you pleae help me pick which block would be better and why.
     
  2. ExplicitSnow

    ExplicitSnow Senior Member

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    turbo b20 will own all
     
  3. handlebarsfsr

    handlebarsfsr Senior Member

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    b20, small turbo, fuck the nitrous. waste of time and money with a small turbo and a 2 liter.
     
  4. twisted civic

    twisted civic Senior Member

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    b20b, not b20z - if you're running a turbo, you'll almost definately blow it up.
     
  5. 91crx

    91crx Senior Member

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    if you are not going to re sleeve it use a b18 because the b20 has weak sleeves
     
  6. MugenCRX

    MugenCRX Senior Member

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    :withstupid: B20 sleeves suck. B18a's & B18b's can make huge numbers on stock internals with boost.

    Go B18 unless you are doing a full build.
     
  7. convertedstangbanger

    convertedstangbanger Senior Member

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  8. The WORLD is yours...

    The WORLD is yours... Senior Member

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    i have had a B20z and a B18a1 in my crx's. my personal opinion would be: to get the B18. and turbo that. just like what everyone else has said. the B20 has weak sleeve's. but if you plan on doing an engine rebuild then go with the B20!!
     
  9. phunky.buddha

    phunky.buddha Admin with a big stick Admin VIP

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