What is the original block color of the 240?

The block is Datsun blue. You can buy it from Classic Datsun Motorsports. That is the same paint they used on the Nissan restoration cars.

http://www.classicdatsun.com/

Marty

The block color is blue. now I am not sure of the color code but its alittle lighter blue then mine. This is GM block blue and it is close but not (on the money)