Many older cars have engines with flathead or overhead valves, and these designs also tend to more commonly used flat tappets for actuating the valves. Flat tappets place a unique demand on the engine ...

The Ford flathead V-8 engine changed hot-rodding forever. When introduced in 1932, the 221ci engine put out only 65 bhp, and even at the end of its production life in 1953 the larger Ford 239ci ...

The American V8 made its debut with Cadillac’s introduction of a flathead engine for 1915. Though others had come before it in Europe, that 314-cu.in. mill became the first mass-produced production V8 ...