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D16 Question

Discussion in 'Civic and del Sol - EG and EK' started by GreatApe, Nov 9, 2008.

  1. GreatApe

    GreatApe New Member

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    I am just curious as to if there is any difference between a Y7 and a Y8 block. In other words, is there any difference whatsoever between a full Y8 engine vs a Y7 block with a Y8 head on it? Will a hybrid have exactly the same output/reliability/compression ratio etc compared to dropping a complete Y8 in? I am fairly certain this is the case, but I would like some verification before I take the dive.
    Thanks in advance,
    Cheers.
     
  2. welfare

    welfare Ancient Member

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    I do know for a fact that the pistons are different,
    y7 pistons (p2e-000) piston displacement= -7.40 cc (dished)
    y8 pistons (p2p) piston displacement= -6.20 cc (dished)

    so the y8 pistons yield a higher compression vs the y7 pistons
    Otherwise the blocks and internals should be identical.
    hope it helps!
     
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