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Originally Posted by RedRacerCivic
Anyone know if there will be a piston to valve clearance problems with the JDM SOHC ZC(non VTEC) with the D16z6 VTEC head? I *heard* that the jdm sohc zc has dome top pistons similar to the dohc version, therefore may have a piston to valve clearance with VTEC engaged. Anyone heard of anyone doing this? I need to find out because we are planning on doing this mini-me swap this thursday on a 93 del sol.
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The SOHC ZC and DOHC ZC do NOT have the same pistons... the pistons in the SOHC ZC is the same as the D16A6 (PM6). Therefore you should not have a clearance problem. The CR of the SOHC ZC is 9.3 marginally more than the D16A6...