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Old 07-15-2007, 01:41 PM
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Re: D16Z6 head on a D16A1

This swap won't work on a D16A1, D16A3, D16A8/9, DOHC ZC, or EW/D15. There is one head bolt hole that won't line up, oil passages are different, and there is no timing belt that will fit without a custom made bracket for the timing belt idler pulley. You will need to rewire the car to run the electronic advance distributor and VTEC. This swap will also increase the compression ratio significantly enough to where you risk detonation if you fill the tank with pump gas.

FYI, the DOHC head flows better than the D16Z6 head.
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