The boys over at Hooniverse uncovered a stumper recently. Out at some abandoned mine in Arizona, they came across a V-8 engine still in its chassis that's been repurposed to run an air compressor. Not unusual in itself, but they've had a devil of a time trying to identify the L-head, aluminum-crankcase, exhaust-in-valley engine.

I count 34 American auto manufacturers that offered V-8s before overhead-valve designs became popular. Of these, we can immediately strike a few.

Of course, there's also the possibilities that it's not an American-made V-8, or that it's a truck-based engine and chassis. So does it look familiar to anybody out there?

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