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**MusicMan70** · 10-27-2012, 06:38 PM

I had strange markings on the side of my block before I cleaned and repainted it. Looked like something spilled or smeared (UFO crop circles) on the side of the block, then I turned it upside down; TAX.
Guess this mark was added during the engine building process?

10-27-2012, 06:38 PM	#41
MusicMan70 Senior Member Join Date: Feb 2011 Location: Corona, CA Posts: 1,820	Re: Factory Correct Restoration Details I had strange markings on the side of my block before I cleaned and repainted it. Looked like something spilled or smeared (UFO crop circles) on the side of the block, then I turned it upside down; TAX. Guess this mark was added during the engine building process? Attached Images __________________ MusicMan70 1961 GMC Suburban