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B20 Or B18b Bottom?

Discussion in 'Engine Building' started by NewAgeCivicz, Jun 2, 2003.

  1. NewAgeCivicz

    NewAgeCivicz Senior Member

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    In an earlier post I read that an LS Block is stronger then a B20 Block?? Then why do people do b20 franksteins?? Also, I c everyone is on sides with the ls engine when boosting due to the low compression but what about swapping a vtec head on? Is vtec worth the money/trouble??
     
  2. Tre

    Tre Member

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    b20 is a bigger bore thus more displacement hoever the sleeves are said to be weak
    you can counter that with a sleeve kit

    vtec head with boost equals more precise tuning since you got vtec AND boost to worry about.

    LS vtec is a good way to go.. thats what im doing
     
  3. NewAgeCivicz

    NewAgeCivicz Senior Member

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    Is the vtec/ls boosted engine worth the money and time over the ls boosted engine?
     
  4. K2e2vin

    K2e2vin Senior Member

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    most NA racers want a b20/vtec b/c they usually start out with a vtec engine (b16) and its cheaper to just get a b20 block then sleeving a ls block. in turbo apps the sleeved ls block would be better.
     
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