Re: Fouled plug, injector problem - exhaust manifold crack?

[Robert Abatecola <robert@xxxxxxxxx>]

I finally had time to check the valve clearance on my '87 Spider that 
is having trouble with the #4 cylinder.  Everything checked out fine 
except for #4 exhaust.  There's no clearance at all on this valve.  I 
can't slide even my thinnest feeler in.  Does this mean a burned 
valve for sure?  Would it be worth pulling the cam and trying to 
adjust the clearance in the usual manner?

Thanks, everyone, for all of the ongoing help and suggestions!
--

 -Robert Abatecola, San Jose, CA
  1985 GTV6
  1987 Spider Quadrifoglio
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