How do tell Chevy 350 from a Buick 350?

There are many tell tale signs. Color, Chevy will be orange, light blue, or black. Buick has pretty much, anyway, been proud of that gold. The valve covers on a SBC, will be flat on the top. Buick are usually more rounded, and say Buick, on them. The SBC water pump will extend out to make room for a timing cover, Buick houses them together.