A square 4 engine inspired by driving 4 answers video. Cranks rotate in the same direction but functionality is the s...

Ah yes, the Polish classic, this car in Poland has some nicknames such as maluch and kaszlak NOTE: THE ENGINE HAS BEE...

This actually sounds really good, like a crotch rocket. Just be careful on the starting throttle, because the idle is...

[Updated on 05 May 2023] The R-4360 was Pratt & Whitney's last aircraft piston engine, as well as the largest and the...