The Fourth Generation C4 Corvette , the Story Goes On

The 2nd Indy Pace Car version was released in 1986 as a convertible only, it was the first drop top Corvette since 1975. It was also the first pace car in stock form, fast enough, to pace the Indy 500. A Center High Mounted Signal Light, CHMSL, a third center brake light, was added in 1986 to comply with federal law.

  1988 saw the 35th Anniversary Edition. Each of these featured a special badge with an identification number mounted next to the gear selector. These Corvettes were easily identified with their white exteriors, wheels and interiors.

  The 300 horsepower, LT1 engine was introduced for the 92 model year, which improved output compared to the L98 in ideal tune with 250 hp. Also introduced in 1992 was Acceleration Slip Regulation, ASR, a form of traction control which utilized the Corvette's brakes, spark retard and throttle close down to prevent excessive rear wheel spin and possible loss of control. The traction control device could be switched off if desired.

  1993 marked the Corvette's 40th anniversary. Special versions had a commemorative Ruby Red color, 40th anniversary badges and embroidered seat backs. The 1993 Corvette also marked the introduction of the Passive Keyless Entry System, the first GM car to feature it.

  1996 was the final year of  production, and featured special models and options, including the Grand Sport and Collector Edition, OBD II, On-Board Diagnostics, run flat tires, and the LT4 engine. The 335 hp, LT4 V8 was installed in all manual transmission equipped Corvettes. All 1996 Corvettes with automatic transmissions utilized the LT1.

  The C4's handling characteristics and cornering ability allowed it to dominate SCCA events and races during the 1980s and 1990s. It was undefeated in SCCA Showroom Stock competition from 1985 through 1987, despite Porsche's best efforts. Porsche reportedly even obtained a C4 Corvette for teardown and examination.

  The fourth generation had plenty of firsts: EFI, Electronic Fuel Injection, composite transverse leaf springs, antilock brakes, airbags, traction control, an aluminum frame and suspension components, digital gauges, overhead cams and four valves per cylinder in the superb ZR1, a computer controlled, six speed manual transmission, climate control, and a digital instrument panel. Conversely, C4 Corvettes were the last generation to utilize a centrally located fuel filler in 1963, opposing windshield wipers, a cast iron engine block, fiberglass body panels, and distributor ignition in 1953, 4 round taillights in 1961.