Determining which engine still in production is currently the oldest is no easy fact to discover because of the wide variety of engines. But we figured it out.

The GM 602 crate engine, also known as the CT350, makes 350 hp and 396 lb-ft of torque and sells for around $8,000 from ...

There are several differences between GM's 602 and 604 crate engines, with different components giving the 604 more horsepower (404 vs. 350 hp), for example.

For decades to follow, the V8 engine worked under the hoods of commuter cars and convertibles, exotics and pickups, and all manner of high-performing machinery. Yamaha could happily sell you a home ...