NS Dev
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| posted on 15/12/04 at 07:32 PM |
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Vauxhall XE valve guides??
Yet more questions, does anybody know what standard vauxhall XE 16v valve guides are made from??
I see that std ones are £30 a set and bronze are £200, but the std ones look a bit like bronze so what am I missing out on here!??
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Hellfire
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| posted on 15/12/04 at 07:48 PM |
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It may be the types of bronze:
Aluminium Bronze
Phosphor Bronze
Phosphor bronze is probably better in a self lubricating type of way.
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NS Dev
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| posted on 15/12/04 at 09:54 PM |
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The expensive ones are of a material tradename "Colsibro", is this a phosphor bronze?
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MikeRJ
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| posted on 15/12/04 at 11:09 PM |
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COLSIBRO is a Copper Nickel Silicon alloy.
http://www.columbiametals.co.uk/coppernickelsilicons.htm
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ned
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| posted on 16/12/04 at 02:21 PM |
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not sure on original guides, thought they were just a cheap material, can be brittle and crack when head problems occur, bronze ones are better and
what we replace standard ones with on a race engine. there'as a guy on ebay who sells them for 160quid set, search on curly987 as username..
Ned.
beware, I've got yellow skin
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