You've seen plenty of weird engines on Jalopnik, from Trojan's weird two-stroke, four-cylinder cube with wishbone-shaped connecting rods to the Napier Deltic triangle-18 diesel, but never have you ...
Harley-Davidson unveiled its newest V-twin engine almost a decade ago and named it the Milwaukee-Eight for having four valves per cylinder (for a total of eight). It was an all-new engine on both the ...