We're fortunate to have commenters of $caycog's caliber here; last week's Down On The Mile High Street '63 Ford F100 inspired him her to mention this B/FX Factory Experimental race truck.

Equipped with twin four-barrel carbs atop a 425-horse 427-cubic-inch V8, 4.86 gears, and a T-10 four-speed transmission, the only problem with the F100 XL is that only one was built.