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I'm not a huuuuuge fan of Vettes of this era. I liked the when bodystyle was introduced in '68, but then they added all the urethan bumpers and stuff, and the power went to crap. But the later ones that got the aerodynamic add ons started to look good again, in a '80s extravagance kinda way. Two-colour cars had a darker colour on the bottom, but it looks so much better reversed (this car was resprayed with it's colour switched).

The third generation, patterned after Chevrolet's "Mako Shark" (designed by Larry Shinoda), started in 1968 and ended in 1982. This generation has the distinction of being introduced to the motoring public in an unorthodox — and unintended — fashion. 1968 marked the introduction of Mattel's now-famous Hot Wheels line of 1/64-scale die cast toy cars. General Motors had tried their best to keep the appearance of the upcoming car a secret, but the release of the Hot Wheels line several weeks before the Corvette's unveiling had a certain version of particular interest to Corvette fans: the "Custom Corvette", a GM-authorized model of the 1968 Corvette.

In 1969, GM enlarged their small block again to 350 in³ (5.7 L), and in 1970, the 427 big block was enlarged to 454 in³ (7.4 L). Power peaked in the 1970 and 1971 models, with the 1970 LT-1 small block putting out 370 hp (276 kW) and the 1971 454 big block having its last year of big power with 425 hp (317 kW). In 1972, GM moved to the SAE Net measurement for power (away from the previous SAE Gross standard), which resulted in lower values expressed in HP. Along with the move to unleaded fuel, emission controls, and catalytic converters, power continued to decline and bottomed out in 1975 — the base ZQ3 engine put out 165 hp (123 kW), and the optional L82 engine put out 205 hp (153 kW). Power remained fairly steady for the rest of the C3 generation, ending in 1982 with the 200 hp (149 kW) L83 engine.

Styling changed subtly over the generation. In 1973, the Corvette dropped the front chrome bumpers for a urethane-compound "5 mph" bumper but kept the rear chrome bumpers. In 1974, The rear chrome bumpers became urethane, too, making 1973 the last Corvette model year with any chrome bumpers. 1975 was the last year for the convertible, and 1978 saw the introduction of a glass bubble rear window. In 1980, the Corvette got an integrated aerodynamic redesign that resulted in a significant reduction in drag.