<VV> Ovaled Valve Guide

[Mike Stillwell]

 I've seen this several times before with an exhaust
leak (stack to manifold). The lack of back pressure
allows the exhaust gas to flow past the valve faster,
which heats up the valve - burns off the lubrication
and then eats up the guide. Or something to that
degree...

 Mike
 YS-117

--- Ron <ronh at owt.com> wrote:

> My 95 Rampside engine lost it's compression on #2
> and I found that the exhaust valve guide was so worn
> that the valve can flop back and forth.  The other
> valve guides seem to be OK.  I'm curious as to what
> might cause this to happen; anyone have any ideas on
> this?  Anything else I should look at?
> 
> RonH  (dead Rampside)
>  ____

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