* Various shades of gray: This was the most common color, ranging from light to dark gray, and sometimes with a greenish or bluish tint.
* Black: Less common than gray, but some blocks were painted black, particularly later models or those for specific applications.
It's impossible to definitively state *all* the colors without knowing the specific year and application of the 350 engine. The paint also fades and wears over time, further complicating identification based on color alone.
