1968-1983

Corvette
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Then end of an era

In this installment of Corvette history, we swim with the "Shark," a name synonymous with the C3 Corvette. This car was met with mixed reviews when it made its debut in 1968 and braved the endless changes in emissions regulations of the '70s and '80s.

Development of the C3 Corvette began before the big-block C2s even came out! GM and the Corvette's designers knew that they couldn't let the C2 have as long a production run as the C1, which ran for 10 years. So, they set up an in-house design competition with one stipulation: have the car ready for the 1967 model year.

Overview

360° view

C3 in numbers

Design changes history [source]

1969

A new door entry handle was introduced that eliminated the push button and hand flap from 1968. Instead, the release mechanism was incorporated into the hand flap. The passenger compartment was widened by one inch. The passenger side of the dash received three little pockets that came to be known as “map pockets”.

1970

A new design on the side fender vents brought a crosshatch grill type cover. Refinements continued as the fenders were now flared to reduce stone chip damage.

1972

Last year for the true chrome front and rear bumpers. A bright egg crate grill was introduced, side fender grills were functional and this was the last Corvette that the rear window could be removed and stowed (coupe).

1974

Rear bumpers were now urethane covered with a center split, radial tires were available in black sidewall, raised white letter or white sidewall stripe.

1975

New for ’75 was a one piece rear bumper cover along with the front and rear bumpers receiving two little black extensions known as bumperettes.

1977

Early cars had orange painted engines and no fender script. The only fender adornment was the alarm key tumbler for the early '77 production. The interior was ramped up with leather seats now standard, the rear view mirror was now affixed to the windshield and the sun visors actually swiveled to the side to give some protection from side glare. A new three spoke leather wrapped steering wheel adorned the optional tilt telescopic column. A pair of cross flags appeared on the front fenders after a few thousand cars had been built. Later, the alarm switch was incorporated into the driver’s door tumbler and only cross flags adorned the fenders.

The interior’s redesigned console allowed for the entire line of Delco radios to be installed

1978

1978 was the 25th anniversary model with a new “fastback” glass roof line that looked like it should have been an open hatch style but was fixed. And, Chevrolet produced a two tone light silver over charcoal paint scheme (RPO B2Z).

Chevrolet produced 6502 replica pace cars from March through May of 1978 with each car having it’s own special VIN ending in 900001-906502. These cars were priced to reflect the “limited” production run with a price tag over 13K. For this you got the special B78 paint scheme of black over silver with red accent stripe, front and rear spoilers (bolt on) leather/cloth leather interior in silver only, new clamshell seats that were lighter and folded flat allowing easier access to the rear stowage area, glass roof panels in a silver tint finish and decals to adorn the car that were to be dealer installed at the customer’s request.

1980

1980 saw a new shovel nose bumper incorporating spoilers and the rear bumper redesigned to include a spoiler as well. The cross flags were elongated and flattened out a bit, the optional aluminum wheels were now highly polished.

1982

A special beige commemorative edition was available throughout the production run and had special cloisonné emblems and turbine spoke wheels that harkened back to the knock off wheels of the mid year corvettes. A special beige leather interior with multi colored accents and a rear window opened hatch style was included on the collector edition only.

Engines

LG4 5.0L (V8) 1980 180hp (134kW)
"Calif. Only"
Small-Block 5.4L (V8) 1968 300hp (224kW)
350hp (261kW)
Small-Block 5.7L (V8) 1969–1970 300hp (224kW)
350hp (261kW)
1970 370hp (276kW)
1971 270hp (201kW)
330hp (246kW)
1972 200hp (149kW)
255hp (190kW)
1973 190hp (142kW)
1973–1974 250hp (186kW)
1974 195hp (145kW)
1975 165hp (123kW)
205hp (153kW)
1976–1977 180hp (134kW)
210hp (157kW)
1978 185hp (138kW)
220hp (164kW)
1979 195hp (145kW)
225hp (168kW)
1980–1981 195hp (145kW)
1980 230hp (172kW)
1982 200hp (149kW)
Big-Block 7.0L (V8) 1968–1969 390hp (291kW)
Big-Block 5.4L (V8) 1968-1969 400hp (298kW)
Tri-Power 435hp (324kW)
ZL1 aluminium 7.0L (V8) 1969 376hp (280kW)
Big-Block 7.4L (V8) 1970 280hp (209kW)
460hp (343kW)
1971 285hp (213kW)
425hp (317kW)
1972 270hp (201kW)
1973 275hp (205kW)
1974 270hp (201kW)