[Healeys] Valve guides

[Chris Dimmock]

Ok, here is the difference,
Bronze is a generic term. It could be almost anything.
Colsibro is a purpose made alloy

http://www.columbiametals.co.uk/products/details/index.php?id=83&category=&industry=&trademark=colsibro

Sent from my iPhone

On 19/10/2011, at 10:12 AM, john spaur <jmsdarch at sbcglobal.net> wrote:

> I checked the archives and there was a post saying not to use bronze  
> valve guides in a cast iron head. My engine is basically stock.
>
> I noticed two there are two different valve guides; one is cast iron  
> (stock I presume) and the other is manganese-bronze.
>
> What material should I use for the valve guides.
>
> What is a good source to purchase them from?
>
> Thank you,
> John Spaur
> '62 BT7
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