Production four-cylinder pushrod engines first appeared on American roads in the early years of the 20th century, and they were available in new cars and light trucks here until… when?

BMW has patents on two, bizarre three-cylinder engine designs meant to improve on the classic V-twin. One splays out the pistons in a fan shape, adds a cylinder to the traditional design.

It's time to see Godzilla in a new light - Ford's crate engine brings power and durability back with a punch. Pushing boundaries with a pushrod design - welcomes Godzilla's big power with simple ...

He wanted to replace the ball valve with one actuated by a cam and pushrod. This would increase the complexity of the engine quite a bit, but with the benefit of eliminating the fail point of the ...

The beating heart underneath that sinewy bodywork is known as the Motus Baby Block MV4. This pushrod engine, with design help from such well-known engine builders as Katech and Pratt and Miller ...