David Tracy
Sr. Technical Editor, Jalopnik. Always interested in hearing from auto engineers—email me. Cars: Willys CJ-2A ('48), Jeep J10 ('85), Jeep Cherokee ('79, '91, '92, '00), Jeep Grand Cherokee 5spd ('94).
8:45 AM

The 1989 Plymouth Speedster concept car, meant to blend sports-bike design with that of a convertible sports car, has a shape you might expect to see on 1990s Japanese cars or even vehicles from the 2000s. Speaking of Japanese cars, the engine is a 2.0-liter Mitsubishi inline-four. The brakes are four-wheel vented