Overhead Cam 6-Cylinder Pontiac Tempest
Here's a view of the engine in the 1967 Pontiac Tempest Sprint, as photographed on Sunday, April 22nd, 2007, at Hammonasset State Park, in Madison, CT.
Cast-in on the valve cover: "Overhead Cam" and "PMD".
More info: http://members.aol.com/foxcraft/MadisonCarShow2007.html