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Old 18-07-2006, 09:46 PM
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mk3cable
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ive built a non turbo 1.8 zvh will i need to skim the head to build the compression up any help welcome as its going the the enginerers tomorrow
Old 19-07-2006, 09:14 AM
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ballin
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why have you built a non-turbo zvh?

if the bottom end is a std N/A zetec then no you wont need to skim the head as all you are doing essentially is taking off the superior zetec head and dumping a 8v cvh in its place.

very pointless, but very simple
Old 19-07-2006, 09:15 AM
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ballin
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which HG are you using? you may need to get the head welded or the block will need some work.

be so much cheaper and easier to drop a zetec head on can i ask why you are doing it?
Old 19-07-2006, 09:35 AM
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This does seem strange if your not going to turbo the engine

Old 19-07-2006, 09:57 AM
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Originally Posted by ballin
why have you built a non-turbo zvh?

if the bottom end is a std N/A zetec then no you wont need to skim the head as all you are doing essentially is taking off the superior zetec head and dumping a 8v cvh in its place.
EXACTLY!
Old 19-07-2006, 10:00 AM
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People do strange things......
Old 19-07-2006, 09:02 PM
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the reason i have done this is to have more reliability as my car is a 23 year old xr3 and cvh engines are dated and usualy high milage, the 18 bottom end came out of a 66k escort which a mate owned but didnt put any anti freeze in and cracked the head, in my line of work this conversion is quite easy as i have got all the tools. so why not! IS THIS STIIL STRANGE!
Old 19-07-2006, 09:04 PM
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ivge got a zetec head you could of had and save fart arsing about fitting a cvh head
Old 19-07-2006, 09:08 PM
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to late
Old 19-07-2006, 09:09 PM
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I still can't understand why people mate the shit bit of a zetec with the shit bit of a cvh
Old 19-07-2006, 09:17 PM
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the shit 66k zetec bottom end is better than a shiter 100+k cvh botom end and the shit cvh head is better than a shitter cracked zetec head! is that easier to understand
Old 19-07-2006, 09:49 PM
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ignore what people think, you do what you want! i built one with spare bits and it rocked! the answer to your question is yes, you will need to skim the head... quite alot iirc, something like 1.5 or 2mm on a 2.0 bottom end to get a descent CR (this is only if it uses the hemi head, not the lean burn!).

good luck with it
Old 19-07-2006, 09:55 PM
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whats a hemi head and i have sent it off to be skimed 2 mm after speaking with brom from zoo motorsport
Old 19-07-2006, 09:59 PM
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a hemi head has round combustion chambers, a lean burn has heart shaped ones
Old 19-07-2006, 10:03 PM
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it is the rounded 1 nice 1 for the help
Old 21-07-2006, 11:56 PM
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Old 21-07-2006, 11:59 PM
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Old 22-07-2006, 12:01 AM
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Originally Posted by ballin
why have you built a non-turbo zvh?

if the bottom end is a std N/A zetec then no you wont need to skim the head as all you are doing essentially is taking off the superior zetec head and dumping a 8v cvh in its place.
The head needs skimming.
Old 22-07-2006, 06:27 AM
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ballin
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even more reason not too then! but fair enough thought they were okay unskimmed!
Old 22-07-2006, 08:15 PM
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