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1967 Corvette convertible 1967 Corvette coupe
1967 Chevrolet Corvette Coupe in Silver Pearl

The End of an Era

1967 was the last year of the "mid year" C2 Corvettes, as the 1963 through 1967 models were known. The styling that shook the world in 1963 had proved itself everywhere, including critical praise and a sales volume that would not quit. Every model year saw a sales increase through 1966; Things cooled down for 1967 in part because a new body style would be introduced in 1968.

For all cars, 1967 would be a pivotal year. Safety and smog requirements would become the law starting in 1968 and the new regulations would affect performance cars profoundly.

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1967 Corvette L71 Engine 1967 Corvette L71 Engine
Left: the popular L71 427 cu. in. motor. Note the use of shielded spark plug wires, used to reduce radio static. Resistive spark plugs were commonly used in most cars but they degraded engine performance so the more expensive shielding was used. Radio static was a common Corvette problem as the fiberglass body did not provide electrical shielding of a conventional steel body. Right: the 3 x 2 configuration (three 2 bbl. carburetors) was proudly announced on the triangular air filter housing.
Right: 1967 Corvette with big block L71 motor. The "Y" plumbing in front of the valve cover is part of the Air Injection Reactor which was an option (RPO K19, $44.75) required on all Corvettes sold in California. It was included on 2,573 or 11.2% of the 1967 Corvettes. Notice the air pump just ahead of the thermostat housing. 1967 Corvette Big Block engine
From the "1967 Chevrolet External Carb Adjustments" (above and right) which details the workings and maintenance for the three Holley two barrel carburetors found in the L68 and L71 engined 1967 Corvettes. Click here to download the complete brochure. Three Holley two barrel carburetors found in the L68 and L71 engined 1967 Corvettes
1967 427 cu in 435 hp carburetor set up
Functional diagram of the three Holley two barrel carburetors found in the L68 and L71 engined 1967 Corvettes Three Holley two barrel carburetors found in the L68 and L71 engined 1967 Corvettes
Big blocks continued to be the way to go for Corvette purchasers in 1967; of the five engine options available, four were 427 cu. in. displacement. Multiple carburetors were the secret on the L68 (400 hp, production quantity: 2,101 (9.16%), $306) and L71 (435 hp, production quantity: 3,754 (16.36%), $437) motors. They had been used with great success in the Pontiac GTO but a GM corporate ban caused them to disappear from the Pontiac. Corvette was exempted however and three 2 bbl. Holly carburetors (below) were mounted on top of a aluminum manifold. The center carb was used in normal operation; above 2000 RPM the front and rear units kicked in. Good fuel economy was part of the bargain since only one carburetor was in use most of the time.

The L71 was a very popular engine option and for good reason. Included was four bolt mains, a very aggressive cam rubbing on solid lifters, big valve heads and a transistorized ignition system.

Three Holly carburetors on 427 cu. in. 1967 Corvette Engine
1967 Corvette - 427 hood emblem

1967 Corvette For Sale

327 car 3 times NCRS
Price: $60,000
Exterior: marina blue
Interior: bright blue
Miles: 48,000
Location: So Dak

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327-300hp, 4 speed, power brakes, nice car, top flighted 3 times at 3 different locations, no telemarketers no texting (more)

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1967 Chevrolet Corvette print ad 1967 Chevrolet Corvette print ad 1967 Chevrolet Corvette print ad
Print ads for the 1967 Corvette. Notice how all three mentioned the 435 hp L71 engine. Apparently the GM marketing folks had some ideas as to what would get their customers excited.

Note: Clicking on an image with this symbol (Boxes) will lead to a larger image.


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