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  1. 16 valve head on 8 valve block?

    Engine Building
    hey i was wondering if you can put a 16 valve head on 8 valve block.. a friend is wanting me to replace the 8 valve head on his CX engine (d15b8) with a 16 valve d15b7 head. ive never really paid any attention to the pistons in a cx engine. are there valve reliefs for just two valves on the...