[QUOTE=HWYSTR455;6368434]I remember now, it was on VA68goat's engine, normally adjusted, the poly hex area contacted the rocker body. In his engine diags thread, a pic was posted of the witness mark.
I think the suspected "witness mark" was actually a wrench mark on the scorpion rockers I had at the time. I think Paul ruled that out early on. Remember it was the collapsed piston skirt that happened when the pickup tube fell off on the dyno. I still have pictures of the rockers on my other laptop. The rockers never touched the tapped the valve cover.
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