another poss is that one of the rocker assemblies may have pulled one or two bolts from the aluminum threads and will need to replace with longer or helicoil.4 bolts to remove valve cover and look.

__________________
David S Poole
European Performance
Dallas, TX
4696880422

"Fortune favors the prepared mind"
1987 Mercedes Benz 420SEL
1988 Mercedes Benz 300TE (With new evaporator)
2000 Mercedes Benz C280
http://www.w108.org/gallery/albums/A...1159.thumb.jpg