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1958 Corvette

Year By Year Specifications:
[1953] [1954] [1955] [1956] [1957] [1958] [1959] [1960] [1961] [1962]

The 1958 Corvette not only looked heavier than its predecessor, but it was. The car's curb weight now exceeded 3000 pounds for the first time, which was up about 200 pounds from the '57 model. Much of this was due to 9.2 inches in added length and 2.3 inches in added width, bringing its overall dimensions to 177.2 and 72.8 inches, respectively.

On the other hand, the new design afforded a couple of minor improvements: Bumpers, for example, were no longer attached to the body but to the frame, secured by long brackets that providing significantly greater protection. Paint was switched from enamel to acrylic-lacquer.

Key revisions made to the 1958 Corvette's interior were just as substantial but were ultimately more successful. Stung by criticism of the former model's awkward instrument panel layout, interior designers made sure every dial (except the clock) was right in front of the driver.

While the '58 Vette may have been flashier than some purists would have liked, there were few complaints with its overall performance, as the 1957 engine lineup returned with few changes. The top powerplant remained the high-compression, fuel-injected, Duntov-cam 283 with a now-official 290 horsepower at 6200 rpm.

A similar arrangement with twin carburetors continued at 270 bhp, but few buyers opted for this version. In fact, the base 230-bhp V-8 accounted for nearly half of '58 engine installations, and only 1500 cars were fitted with fuel injection -- 1000 with the 290-bhp setup, 500 with the 250-bhp version.

Nevertheless, determined speed freaks could still order a near race-ready Corvette from their local Chevrolet dealers, and at a reasonable price. Even the hottest engine, ($484.20), Positraction ($48.45), heavy-duty metallic brakes and suspension ($780.10), and four-speed manual transmission ($188.30) added only about $1500 to the '58's reasonable $3591 base price. That was a remarkable value considering that the 'Vette was more than a match for the likes of Jaguar, Porsche, and other higher-priced European performers. Even off-the-chart exotics like Ferrari weren't far beyond it in performance.

Car magazines were mostly positive about the '58's mechanical changes, continuing to laud the car's performance and handling characteristics. Sprints from 0-60 mph well under 8 seconds and top speeds of around 125 mph with the 250-bhp fuelie/four-speed configuration were reported. However, the performance-minded "Cerametallic" brakes in the aforementioned heavy-duty package were cited as not being for the faint of heart, as they tended to pull strongly to one side or the other until sufficiently warmed up. Corvettes delivered with this package reportedly carried a sticker on the windshield that warned, "This car is not for street use."

Back on the track, thanks to the efforts of Jim Jeffords and his "Purple People Eater," Corvette again won the SCCA's B-Production crown in 1958. Jim Rathmann and Dick Doane took the GT class at Sebring that year, and veteran Ak Miller won the sports-car class at the Pikes Peak Hill Climb with a time of 15 minutes, 23.7 seconds.

None of these triumphs were mentioned in Corvette advertising, however, as Chevrolet was officially shying away from hawking performance in the wake of the Automobile Manufacturers Association "anti-racing" edict of the previous year. The Corvette's ad copy now emphasized things like a "silken cyclone of a V-8" and a "beautifully compact body" with "a chassis that clings to the road like a stalking panther."

Despite the somewhat extreme styling updates, which critics deride even today, the '58 Corvette turned a profit for the first time in its brief existence. Model-year production was well above 1957's record level, totaling 9168 units. As a result, the 'Vette was one of the few domestic models to score increased sales in that recession-wracked season, the others being limited to Rambler, Lincoln, and Ford's new-for-'58 four-seat Thunderbird.

Bill Mitchell once admitted that he and his associates at GM Styling in the Fifties were too willing to "ladle on chrome with a trowel." Fortunately they were more sparing with the Corvette than any other car in the corporate fleet, and it's to Chevrolet's credit that the busied '58 styling was cleaned up considerably for the otherwise little-unchanged 1959 model.

 

Select Image to Enlarge

1958 Corvette Specifications

The 1958 Corvette was flashier than its predecessor, due to improvements made inside and out. It also gave a strong performance -- proving that this car was far from all style and no substance. Here are the specifications for the 1958 Corvette:

Vehicle Specifications
Convertible
Wheelbase, inches 102.0
Length, inches
177.2
Width, inches
72.8
Track, inches
front: 57.0 rear: 59.0
Height, inches
51.1
Curb Weight, pounds
3,050

 

Mechanical Specifications (2-door convertible)

Suspension
front:Independent; upper and lower A-arms, unequal-length wishbones, coil springs, antiroll bar, tubular hydraulic shock absorbers
rear: Live axle on semi-elliptic leaf springs, tubular hydraulic shock absorbers

Wheels/Tires
6.70x15

Brakes
front: 11-inch drum
rear: 11-inch drum

Transmission
3-speed manual (std)
4-speed manual (opt)
2-speed Powerglide (opt)

Standard axle ratio
3.70:1

Engine Specifications

Type ohv V-8 ohv V-8 ohv V-8 ohv V-8 ohv V-8
Displacement, liters/cu inch 4.6/283
4.6/283 4.6/283 4.6/283 4.6/283
Bore x stroke, inches 3.875 x 3.00 3.875 x 3.00 3.875 x 3.00 3.875 x 3.00 3.875 x 3.00
Fuel Management 1 x 4-bbl. 2 x 4-bbl. fuel injection 2 x 4-bbl. fuel injection
Horsepower @ rpm 230 @ 4800 245 @ 5000 250 @ 5000 270 @ 6000 290 @ 6200
Torque @ rpm, pound-foot 300 @ 3000 300 @ 3800 305 @ 3800 285 @ 4200 290 @ 4400

Published Performance Numbers

Acceleration
230 hp, 4-sp man.
250 hp, 4-sp man.
0-60 mph, sec
9.2
7.6
0-100 mph, sec
NA
21.4
1/4-mile, sec @ mph
17.4 @ 83
15.7 @ 90

Source: Sports Car Illustrated

Vehicle Production and Base Prices

Car Type
Production
Price
2-door convertible
9,168
$3,591.00


Options and Production

 

Option
Production
Price
Heater
8,014
$96.85
AM Radio, signal seeking
6,142
144.45
Parking Brake Alarm
2,883
5.40
Courtesy Lights
4,600
6.50
Windshield Washer
3,834
16.15
Wheels, 15 x 5.5
404
0.00
Whitewall Tires, 6.70 x 15
7,428
31.55
Powerglide Automatic Transmission
2,057
188.30
Auxiliary Hardtop
5,607
215.20
Power Windows
649
59.20
Two-Tone Paint
3,422
16.15
245 hp Engine
2,436
150.65
270 hp Engine
978
182.95
Power Operated Folding Top
1,090
139.90
250 hp Engine Fl
504
484.20
290 hp Engine Fl
1,007
484.20
Positraction Rear Axle, 3.70:1
1,123
48.45
Positraction Rear Axle, 4.11:1
2,518
48.45
Positraction Rear Axle, 4.56:1
370
48.45
Heavy Duty Racing Suspension
144
780.10
4-speed Manual Transmission
3,764
215.20

Color Choices and Production

Color Choice
Production Color Choice
Production
Charcoal
1,631
Snowcrest White
2,477
Silver Blue
2,006
Regal Turquoise
510
Panama Yellow
455
Signet Red
1,399
Tuxedo Black
493
Inca Silver
193

 

 

 

 


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