The Dodge Viper RT/10 concept car was a huge hit at both the 1989 and 1990 Chicago Auto Show -- so much so that it went into production for model year 1992. Spokespeople at the show explained the spiritual ties to the ''60s AC Cobra 427, this brute-force sports car boasted a big-block 8.0 liter V-10 engine and a strictly functional open cockpit.