craig986
Member
Registered: 26th Jan 08
Location: herts
User status: Offline
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whats the differance between coscoast head and normal redtop head and whats better and how can u tell the differance
[Edited on 10-03-2008 by craig986]
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Ste L
Member
Registered: 3rd Jul 06
Location: Manchester Drives: 106 16v Rallye
User status: Offline
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not much really..
the early costcast's had slightly bigger valve guides, and are made of a slightly better metal..
apart from that, nothing really
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sand-eel
Member
Registered: 15th Mar 07
Location: carluke/braidwood--IRNBRULAND
User status: Offline
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also "costcast" is written on the side
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Ste L
Member
Registered: 3rd Jul 06
Location: Manchester Drives: 106 16v Rallye
User status: Offline
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quote:
Originally posted by sand-eel
also "costcast" is written on the side
coscast's dont have a core plug on the dissy side of the head either 
[Edited on 10-03-2008 by Ste L]
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Richardhhha
Member
Registered: 29th Sep 07
Location: Croydon, Greater London
User status: Offline
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arnt they suposed to not have the problem of cracking between the oil and waterways
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Graham88
Member
Registered: 16th Apr 07
Location: South East Kent Drives: E46 M3
User status: Offline
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quote:
Originally posted by Richardhhha
arnt they suposed to not have the problem of cracking between the oil and waterways
Main reason for having one really
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adam.d
Member
Registered: 7th Nov 07
Location: hartlepool Drives: corsa LET
User status: Offline
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supposed to be the better 1 of the 2 but I've heard of a few in the last couple of months that have gone porous!!! I would say if you buy a C20XE motor it's a bonus if it has 1 but I wouldn't bother buying 1 just because it has coscast stamped on it.
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P1CK4D
Member
Registered: 19th Jun 06
Location: Around Essex Somewhere
User status: Offline
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I have one for sale 
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willay
Moderator
Organiser: South East, National Events
Premium Member
Registered: 10th Nov 02
Location: Roydon, Essex
User status: Offline
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quote:
Originally posted by Graham88
quote:
Originally posted by Richardhhha
arnt they suposed to not have the problem of cracking between the oil and waterways
Main reason for having one really
they can still go porus but they are less likely to compared to the other head you can get.
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Graham88
Member
Registered: 16th Apr 07
Location: South East Kent Drives: E46 M3
User status: Offline
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Ah I see, I was just reading about it yesterday and was under the assumption it wasn't possible at all
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jr
Member
Registered: 20th May 02
Location: Kent
User status: Offline
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and they have a tie with cosworth, which add extra bonus points
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Ste L
Member
Registered: 3rd Jul 06
Location: Manchester Drives: 106 16v Rallye
User status: Offline
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quote:
Originally posted by willay
they can still go porus but they are less likely to compared to the other head you can get.
yep yep, hemce why i said they aree may of slightly better metal as appoosed to, they dont go porus
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