Originally Posted by danketchpel
That is correct, the later ones have a rubber re-usable valve cover gasket.
All the 8 valve motors have had the re-usable gaskets on - the paper gaskets were used on 2 valve valve covers.
And they shouldn't have any silicone or gasket sealer on, just grease so they should come off easily ish. Rubber's better though.
If you take the valve covers off be very
careful when removing the HT caps, pull the cap not
the lead, and not the elbow. Especially on 08 models (although they should have been changed under an improvement bulletin.