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How many valve reliefs in the HF D15B6 engine?

Discussion in 'General Tech Articles' started by phunky.buddha, Jan 23, 2005.

  1. phunky.buddha

    phunky.buddha Admin with a big stick Admin VIP

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    How many valve reliefs are in D15B6 pistons?

    Q: Why does anyone care?
    A: If you're going to swap the head on an HF engine to a 16 valve D series head, you might need a set of pistons with 4 valve reliefs each.

    So here we go- courtesy of ryan89crx, who pulled the head on his 89 CRX HF just to see how many valve reliefs he had in his pistons. There are only 2 reliefs per piston. Thanks Ryan!
     

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