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

["Jeff Greenfield" <alfaguy@xxxxxxxxxx>]

Robert -

No, I don't think this means a burned valve in your case since you had good
compression on this cylinder when you checked it. If the valve were burned
there would be little compression if any.

It is possible that there is something wrong with that valve, but before
doing anything major, I'd pull the cam and adjust the clearance back to spec
with the appropriate shim and see what happens.

I ran into this very same problem on another car once, but I think it was
the result of someone else doing some cylinder head work on the car who
didn't have a clue as to how to assemble an Alfa.

Adjust it and let us know what happens ...

Jeff


-----Original Message-----
From: owner-alfa@domain.elided [mailto:owner-alfa@domain.elided] On Behalf Of
Robert Abatecola
Sent: Tuesday, May 13, 2003 12:45 PM
To: alfa-digest@domain.elided
Subject: Re: Fouled plug, injector problem - exhaust manifold crack?

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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