Stage 3 head

CVH and Zetec tuning, suspension and braking mods.
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Stage 3 head

Postby MOONDUST FRST on Wed Jul 31, 2002 2:56 pm

Whats different in a stage 3 head compared to a standard one?
I know its ported and polished but what other components are uprated to and from?
Thinking about a DIY job on mine I know I'll be ok with the porting and polishing just not sure about the rest any ideas :-?
I imagine they are quite expensive to buy :rolleyes:
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Postby Quantum on Wed Jul 31, 2002 5:05 pm

Take a look on the Puma Racing site http://www.pumaracing.co.uk as I believe Dave knows what he is talking about :wink:

Regards,
Stephen
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Postby snake on Wed Jul 31, 2002 7:10 pm

diff company do diff things for each stage u can have:
-ported+flowed
-new valve seats if needed
-3 angle valve seats
-stainless oversized valves
-4th angle on the valve
-combustion chambers modded
-new valve guides, also bronze guides if required
-skimmed flat
-crack tested
-cleaned in an acid bath(looks pukka after its been in one)

Also polishing does fook all and can wreck the flow/fuel mix in it!..

probably more but thats all i can think of :P
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Postby MadcatCraig on Thu Aug 01, 2002 11:03 am

speak to ian howell hell sort you out !

f**k OFF BIG VALVES :D
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