is the top pic that of the front? is it at bad as it looks or just carbon buildup?
that second pic looks like gravel that fell in during something like a spark plug change. thats almost enough to scare me into making space in the garage for an air compressor.
that second pic looks like gravel that fell in during something like a spark plug change. thats almost enough to scare me into making space in the garage for an air compressor.