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whats the difference between z6 and y8 head??

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Old 04-19-2004, 11:00 AM
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Default whats the difference between z6 and y8 head??

I know z6 is 92-95, y8 is 96+ but whats the difference between them? and people say z6 makes more compression when doing mini me swap? so whats the difference? i would see more power with z6 or same with y8?
Old 04-19-2004, 11:18 AM
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Default Re: whats the difference between z6 and y8 head?? (VTECR021)

Y8 - smaller combustion chamber, more compression
Z6 - flows better, more power

It's really arbitrary...just use whichever one you can get your hands on. My rule of thumb is for OBD1 do Z6 and OBD2 do Y8
Old 04-19-2004, 11:23 AM
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Default Re: whats the difference between z6 and y8 head?? (VTECR021)

i would go with a z6 if you could. Just because it flows better.
Old 04-19-2004, 11:24 AM
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Default Re: whats the difference between z6 and y8 head?? (BauleyCivic)

ditto. nothing wrong with either one but for more power overall definitly go with the Z6. i love mine.
Old 04-19-2004, 02:29 PM
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ok, so you guys meant by better flow by the intake and exhaust ports? or the valves?
Old 04-19-2004, 05:58 PM
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Default Re: (VTECR021)

Ports. You have a 95 so just go ahead and do a Z6 head.
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