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**'68OrangeSunshine** · 10-25-2013, 03:27 PM

Pretty sure they were all Chevy Engine Orange in '70 [even L6s]. Black paint could indicate a rebuild. Rebuilder did not mill off engine dress codes. Some do and some rebuilders even stamp over their own numbers there.
Other possibility is that some PO repainted the truck and decided he wanted the engine to get a fresh coat of black. Can't know that w/o pulling the head(s) and mic-ing the bores.

10-25-2013, 03:27 PM	#2
'68OrangeSunshine Senior Member Join Date: Feb 2002 Location: Tucson, AZ USA Posts: 7,622	Re: Black engine color? Pretty sure they were all Chevy Engine Orange in '70 [even L6s]. Black paint could indicate a rebuild. Rebuilder did not mill off engine dress codes. Some do and some rebuilders even stamp over their own numbers there. Other possibility is that some PO repainted the truck and decided he wanted the engine to get a fresh coat of black. Can't know that w/o pulling the head(s) and mic-ing the bores. __________________ Every 25 years I like to rebuild that 292, whether it needs it or not.