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vtec head on a zc?

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Old 01-07-2004, 11:11 PM
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Default Re:vtec head on a zc?

I don't think they will bolt up for some reason.
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Old 01-08-2004, 08:46 AM
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Default Re:vtec head on a zc?

it'll bolt up as far as i know, just your valves wll make holes in your pistons the second you crank it over.
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Old 01-09-2004, 12:03 AM
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Default Re:vtec head on a zc?

and why is that?
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Old 01-09-2004, 02:40 AM
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Default Re:vtec head on a zc?

the valve relief in the pistons

DOHC piston have valve relief for DOHC head

AND SOHC pistons have valve relief for SOHC head

i guess if u where to use differennt piston but i am not sure about the bolting up part
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Old 01-09-2004, 02:52 AM
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Default Re:vtec head on a zc?

Actually the valve releifs are about the same size and that really isnt the problem. Oil passages are not shaped the same, and some chanfering needs to be done. 2 head bolts do NOT align up, and some serious drilling would be needed to be done on the head, and I have no idea if their is enough meat in the ZC head to cut away to be safe and have the bolt still go through?? I mocked one up and looked at everything, The cylinders all align just fine with the head. ITs real real close, but the head bolt situation makes it a big NO GO!

Also if you were to put a DOHC ZC head on say a D16a6 you would get around 8.25 c/r. Which is really low for a honda and probably would run like ----.

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Old 01-11-2004, 07:36 PM
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Default Re:vtec head on a zc?

ok if u can do that can u put a dohc vtec head (b16 b18 head )on a b16a1 cause as far as i know thats the only heads that r dohc vetc, because i thought u couldnt cross b seried and d series and have it work
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Old 01-11-2004, 10:55 PM
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Default Re:vtec head on a zc?

Some one on this board was saying how you can put a DOHC ZC on a d block. ive never ehard of that before but i guess anythings possible right??$$

i recently put a z6 on a SOHC ZC, does anyone know if the SOHC ZC have the pm7(jdm zc) pistons?
while doing the swap i was too busy scraping the head gasket off the block i forgot to look...!

if it IS the pm7 pistons my set-up yeilds 12.35.

if my ZC came with the pm6 pistons set up yeilds 9.71.

both are with the .048 thickness gasket in an attempt to lower compression for boost.

* according to http://www.knology.net/~jediklc/D.htm *

i kick myself in the *** for forgetting to look at the pistons...

post some ideas up about worst case scenario, 12.35 comp. with boost, yikes...!
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Old 01-12-2004, 06:05 PM
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Default Re:vtec head on a zc?

evosol did you use the intake manifold from the zc or the z6. I heard there where issues with the dohc zc motor and fitting intake mani's but was wondering about the sohc.

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Old 01-12-2004, 11:58 PM
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Default Re:vtec head on a zc?

ShoPow,
i put a Z6 head on a SOHC ZC shortblock...
I'n not quiet sure i understand your Q.
but if your asking if the SOHC ZC IM will fit other d-series blocks?
A: yes, it will fit but my ZC came carburated, and yes i used the Z6 IM with the z6 head.
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Old 01-21-2004, 03:27 PM
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Default Re:vtec head on a zc?

between the z6 and y8, what would the best head be for a sohc zc motor?
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