On Thu, 7 Feb 2002, David & Krystal Wingett wrote:
> List
> Forget ever replacing your valve guides by boring out the old and
> pressing in new. There is a product on the market called a " K- liner" you
> should look into. It is a much thinner shell . You bore out the old liner
> to an "X" size (still retaining the original) and insert this liner that is
> already sized for the valve stem.
> The Idea here is that a valve guide is worn out when the valve can
> tilt beyond a given amount (less then a few thousandths). Why bore out
> such a large valve guide when all you have to do is bore out and replace
> that which is worn?
> David Wingett
Good advice, because the machinist doesn't have to do much setup the make
sure the guide is centered in the hole.
I have seen these things on a few heads and my machinist recommends them
(less work for him!)
C ya,
rml
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