Not a rotary engine. A radial engine. Like you’d find in a vintage piston-powered aircraft. And moreover, it has GM LS1 DNA, too—inside the custom cylinder jugs and triangular crankcase are parts ...

If you look at aircraft from the Second World War or earlier, you'll notice that many of them have engines with large frontal areas and cylinders arranged about the propeller crankshaft. This a radial ...

We think it’s likely that there are a lot of automobile or motorcycle enthusiasts — some may be reading this right now, in fact — who are always dreaming of what they’d build if only they had the time ...

Last week, we introduced you to Robert “Jocko” Johnson, the desert-dwelling sculptor/cylinder head-porting master/would-be land speed record-breaker profiled in the May 5, 1997 issue of Autoweek. This ...

Honda might be looking back to early aeronautics in its latest bid to make variable compression engines simpler and sturdier. The engine is designed to take advantage of the simple crank design of ...

The largest sin the original VW Beetle ever committed was sporting a drivetrain seemingly made of wet paper bags. So to say, it could have been better in the power department. Well, we're not sure ...

Bore and Stroke: 146 mm (5.75 in.) x 160 mm (5.3 in.) Nakajima provided Japan with its first large radials by building Bristols beginning in the late 1920s. In 1936, Nakajima began building ...