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B18 Block

Discussion in 'Engine Building' started by brian11to1, Mar 4, 2003.

  1. brian11to1

    brian11to1 Senior Member

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    can you put a b20 head on a b18 block?
     
  2. civicSiR1

    civicSiR1 Senior Member

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    WHY? might as well slap on a B16 for the cheapest....
     
  3. pissedoffsol

    pissedoffsol RETIRED

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    if you are referring to a b18b, then its pointless as the crv head is the same.

    if you want to go ls/VTEC, IMO, the gsr head is better for NA while the b16 is better for FI. my $.02
     
  4. iowasmurf

    iowasmurf Member

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    I want to put a B20 head on a B18a block too. The reason is cause the Block was free and the head was purchased cheap with 17k miles. I want to go nonvtec turbo. The block will be rebuilt and the head will be port and polished with stock internals. Can this be done? If the block is sleeved with 84mm sleeves, will the motor be considered a 2.0L motor?
     
  5. Nopspawn

    Nopspawn Senior Member

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    so other words you have the a short block and you bought the b20 head for cheap? The b20 and b18 are the same motor, and I mean same only difference would be the bore and the camshafts. So the b20 head will fit but I recommend you buy new camshafts.
     
  6. iowasmurf

    iowasmurf Member

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    What about the combustion chamber on the heads are they the same as well? I was under the impression that the b20 head had a bigger chamber so I would have to sleeve the block to the 84mm sleeves.
     
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