Car and Driver 10Best tested: Ferrari Testarossa, 173 mph Top-selling cars: Imports and domestics chosen by marque, not by place of manufacture. Price cap: $35,000 Fastest car tested: 750iL "V12", 158 mph Top-selling cars: Eliminated half domestic/half import rule as impractical. Price cap: $35,000 Fastest car tested: Chevrolet Corvette "ZR-1", 175 mph Top-selling cars: New rule: No more than two places per marque. Price cap: $35,000 Fastest car tested: Chevrolet Corvette "ZR-1", 176 mph Top-selling cars: Price cap: $40,000 Fastest car tested: Ferrari F40, 197 mph Top-selling cars: Price cap: $40,000 Fastest car tested: Lamborghini Diablo, 204 mph Top-selling cars: Institution of the 2.5x
Lamborghini Miura steel chassis components and body panels with the lightweight aluminium alloy Avional and replacing side windows with plastic, with the resulting car weighing approximately 800 pounds less than a production Miura. A front spoiler was added and the headlights were replaced with fixed, faired-in units. Wallace substituted two smaller, sill-mounted fuel tanks for the single larger original unit. The suspension was reworked and widened (9" in the front, 12" in the rear), and lightweight wheels were fitted. The engine was modified to produce 418–440 bhp at 8800 rpm, with an increased compression ratio, altered cams, electronic ignition, dry-sump lubrication and