well if i were to swap my head off of my cx (d15b8 8 valve) to a d16y7 head what would have to be done? do i need a new ecu ... both motors are non vtec. is there obd issues. thanks
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What Makes the Power:
Well, if youâ€™ll remember the HF motor has an 8-valve head, which is great for fuel economy and miserable for performance. The 16-valve head will raise compression substantially creating a surprisingly powerful hybrid. Now, what kind of numbers can you expect from this setup? A friend of mine recently used a similar setup and put down 112, 109 to the wheels. With this type of power, look to be pulling on GSRâ€™s, Civic Siâ€™s and even the occasional unsuspecting Type R owner.