Seafoam! You wouldnt believe the amount of gunk that was under my valve covers when I very first got my engine. There were areas where it felt like it was part of the actual block itself because it was so hard. Brake parts cleaner loosened everything up enough to be able to wipe it all out. Thats the cheap and quick way compared to pulling the heads.papabearxl said:The passenger valve cover has been leaking a long time.....well before we bought it. I have been dreading it, but after 2 dam# hours, it is off, lip cleaned and a new gasket/glue is drying overnight. Gonna try to get it all back together tomorrow. What a pain in the a$$....would love to be able to clean the 2 tons of gunk out of the valvetrain, but I don't feel like taking the head off....to clean it properly.
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