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Author differences in coscast heads
GED2.0CORSA
Member
Registered: 28th Apr 04
Location: Mintlaw, Aberdeenshire
User status: Offline
24th Mar 05 at 09:31   View User's Profile U2U Member Reply With Quote
C20XE

are there any differences from old coscast heads to new coscast heads apart from the marking under the exhaust ports ?

Cheers
GED




[Edited on 24-03-2005 by GED2.0CORSA]
GED2.0CORSA
Member
Registered: 28th Apr 04
Location: Mintlaw, Aberdeenshire
User status: Offline
24th Mar 05 at 10:50   View User's Profile U2U Member Reply With Quote
anyone ???
Siberia
Member
Registered: 9th Oct 03
Location: Leprechaun Land Drives : Zafira GSI
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24th Mar 05 at 11:18   View User's Profile U2U Member Reply With Quote
wigmeb
Rileysport
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Registered: 18th Jun 04
Location: West Yorkshire
User status: Offline
24th Mar 05 at 11:24   View User's Profile U2U Member Reply With Quote
the lifters are hydraulic dude, tappets as such dont exist in these engines
GED2.0CORSA
Member
Registered: 28th Apr 04
Location: Mintlaw, Aberdeenshire
User status: Offline
24th Mar 05 at 12:48   View User's Profile U2U Member Reply With Quote
cheers lads what about the coscast heads , are there any other differences from old to newer ones

fitting this weekend and then it back on the road after 4 long weeks of waiting
James R
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Registered: 4th Feb 03
Location: 205GTi16/306GTi16
User status: Offline
24th Mar 05 at 18:51   View User's Profile U2U Member Reply With Quote
The castign alloy seems to be different between the early ones and the later ones. Also the finishign to the valve throats is far better on the early heads, but over all there is little difference in them.
morty
Member
Registered: 5th Apr 02
Location: leeds, Drives:06 Focus ST-2
User status: Offline
24th Mar 05 at 20:47   View User's Profile U2U Member Reply With Quote
There is only one Coscast head the later is a Gm cast and suffers the dreaded porous problem...

Darren
ainsley_brader
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Registered: 24th Mar 02
Location: Tattershall, Lincolnshire
User status: Offline
24th Mar 05 at 23:22   View User's Profile U2U Member Reply With Quote
no theres 2 different coscast heads with different sized valve guides!
GED2.0CORSA
Member
Registered: 28th Apr 04
Location: Mintlaw, Aberdeenshire
User status: Offline
25th Mar 05 at 11:25   View User's Profile U2U Member Reply With Quote
well which one of the two coscasts has bigger valve guides ???

the newer one with the coscast marking under the exhaust port

 
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