Re: IML: hardened seats and such

["mike and linda sutton" <mikanlin62@xxxxxxxxxxx>]

I vote with the chorus here, do the hardened seats and while theyre at it, 
if the guides are at all suspicious, do the bronze wall guides too.  Avoid 
the temptation to knurlize the existing guides and do it once, do it right. 
Since the guide sets the center of the valve in its place as well as pilots 
the seat cutting operation theres no reason to have a valve stem start 
wobbling in the guide a few thousand miles later.  I doubt even a purest of 
the purists would complain about such an operation, since its internal and 
not going to be noticed at a car show.  And it goes without saying that the 
shop doing the work will set the valve spring height, spring pressure and 
valve stem height to the correct values as well.  I had a set of heads done 
this way in 1989 and they are still performing strong today.

Mikey
62 Crown Coupe 



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