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The 1968 Chevrolet Corvette


1968 Bronze Corvette Convertible


"Corvette '68... all different all over". That's the quote from the sales brochure for the redesigned 1968 Corvette. The body was completely redesigned with the coupe losing it's fastback window but gaining a removable back window and removable t-tops for that almost convertible feel. The chassis itself did not change much from the 1967 model. The new hidden wipers and hidden headlights are vacuum operated instead of electrical. Door openers now use a push button to open and a push in handle to pull the door, this was only used on the 1968 model. The new auxilliary top for the convertible has a glass rear window. The new standard automatic was the 3-speed Turbo Hydra-Matic instead of the 2-speed PowerGlide used previously. A new fiber-optic monitoring system was added to the dash and "Astro-Ventilation" was added to improve the airflow in the cabin. The '68 Vette did not have the "Sting Ray" badging on it anywhere, it would return in '69 as "Stingray". 1968 was also the year that Zora Arkus-Duntov was named Chief Engineer of the Corvette.
Production Options and Build Statistics

Total 1968 Corvettes Built - 28,566
Convertibles - 18,630
Coupes - 9,936

Convertible Serial Numbers: 194687S100001 to 194678S128566
Coupe Serial numbers: 194378S100001 to 194378S128566

The "Vehicle Identification Number" (also VIN or serial number) is stamped on a plate on the inner vertical surface of the left windshield pillar visible through the windshield.

Position Character Description
1 1 Chevrolet Division
2 & 3 94 Body Series: Corvette
4 & 5 67 Convertible
37 Coupe
6 8 1968
7 S Assembled in St. Louis, MO
8 to 13 100001 to 128566 Production Sequence

Engine Serial Number

1968 Corvette engines have the last six digits of the VIN stamped on the block after the engine number

Position Character Description
1 to 7 0001001 Sequential Production Number
8 F or T Flint, MI or Tonawanda, NY
9 to 10 Carburetion & Transmission
  • HE = 327-cid 300-hp V-8 with 10.0:1 compression ratio, manual transmission, and four-barrel carburetor
  • HO = 327-cid 300-hp V-8 with 10.0:1 compression ratio, Turbo Hydra-Matic transmission, and four barrel carburetor
  • HP = 327-cid 300-hp V-8 with 10.0:1 compression ratio, manual transmission, four-barrel carburetor
  • HT = 327-cid 350-hp V-8 with 11.0:1 compression ratio, manual transmission, four-barrel carburetor
  • IL = 427-cid 390-hp V-8 with 10.25:1 compression ratio, manual or automatic transmission, four-barrel carburetor
  • IM = 427-cid 400-hp V-8 with 10.25:1 compression ratio, manual transmission, and three two-barrel carburetors
  • IO = 427-cid 400-hp V-8 with 10.25:1 compression ratio, Turbo Hydra-Matic transmission, and three two-barrel carburetors
  • IQ = 427-cid 390-hp V-8 with 10.25:1 compression ratio, Turbo Hydra-Matic transmission, and four-barrel carburetor
  • IR = 427-cid 435-hp V-8 with 11.0:1 compression ratio, manual transmission, and three two-barrel carburetor
  • IT = 427-cid 430-hp V-8 with 12.5:1 compression ratio, manual transmission and four-barrel carburetor
  • IU = 427-cid 435-hp V-8 with 11.0:1 compression ratio, manual transmission, and three two-barrel carburetors


The body number plate is located on the engine side of the cowl. The Fisher Body Style Number identifies the model of Corvette.
68-19467 - Corvette Sting Ray convertible
68-19437 - Corvette Sting Ray coupe
The body number is the serial number of the body. The trim number represents the color of the interior, the paint color is the exterior "Magic Mirror" paint color.

Production Options

RPO Description Price Production
19437 Base Coupe $4,663 9,936
19467 Base Convertible $4,320 18,630
N/A Genuine Leather Seats $79 2,429
A01 Soft Ray Tinted Glass, All Windows $15.80 17,635
A02 Soft Ray Tinted Glass, Windshield $10.55 5,509
A31 Power Windows $57.95 7,065
A82 Headrests $42.15 3,197
A85 Custom Shoulder Belts $26.35 350
C07 Auxiliary Hardtop (Convert.) $231.75 8,735
C08 Vinyl Covering for Aux. Hardtop $52.70 3,050
C50 Rear Window Defroster 31.60 693
C60 Air Conditioning $412.90 5,664
F41 Special Front/Rear Suspension $36.90 1,758
G81 Positraction Rear Axle (all ratios) $46.35 27,008
J50 Power Brakes $42.15 9,559
J56 Special Heavy Duty Brakes $384.45 81
K66 Transistor Ignition System $73.75 5,457
L36 427ci, 390hp Engine $200.15 7,717
L68 427ci, 400hp Engine $305.50 1,932
L71 427ci, 435hp Engine $437.10 2,898
L79 327ci, 350hp Engine $105.35 9,440
L88 427ci, 430hp Engine $947.90 80
L89 L71 Engine with Aluminum Cylinder Heads $805.75 624
M20 4-speed Manual Transmission $184.35 10,760
M21 4 Speed Manual, Close Ratio Transmission $184.35 12,337
M22 4 Speed Manual, Close Ratio, Heavy Duty Transmission (Rock Crusher) $263.30 80
M40 Turbo Hydra-Matic Automatic Transmission $226.45 5,063
N11 Offroad Exhaust System $36.90 4,695
N36 Telescopic Steering Column $42.15 6,447
N40 Power Steering $94.80 12,364
P01 Bright Metal Wheel Cover $57.95 8,971
PT6 Red Line Tires F70 x 15 $31.30 11,686
PT7 White Line Tires F70 x 15 $31.30 9,692
UA6 Alarm System $26.35 388
U15 Speed Warning Indicator $10.55 3,453
U69 AM/FM Radio $172.75 24,609
U79 AM/FM Radio Stereo $278.10 3,311

Color Options for 1968

Interior colors are suggested by Chevrolet, any combination could be ordered.

RPO Exterior Interior Soft Top Production
900 Tuxedo Black B-DB-DO-GU-MB-R-TO B-BG-W 708
972 Polar White B-DB-DO-GU-MB-R-TO B-BG-W 1,868
974 Rally Red B-R B-BG-W 2,918
976 Lemans Blue B-DB-MB B-BG-W 4,722
978 International Blue B-DB-MB B-BG-W 2,473
983 British Green B B-BG-W 4,779
984 Safari Yellow B B-BG-W 3,133
986 Silverstone Silver B-DB-GU B-BG-W 3,435
988 Cordovan Maroon B B-BG-W 1,155
992 Corvette Bronze B-DO-TO B-BG-W 3,374
Color Codes: B=Black, BG=Beige, DB=Dark Blue, DO=Dark Orange, GU=Gunmetal, L=Leather, MB=Medium Blue, R=Red, TO=Tobacco, V=Vinyl, W=White

Interior Colors

Color Vinyl RPO Leather RPO
Black Base 402
Red 407 408
Blue 411 412
Medium Blue 414 415
Orange 425 426
Tobacco 435 436
Gunmetal 442  


1968 Corvette Specifications

Mechanical Dimensions

Feature Convertible Coupe
Wheelbase 98 inches (2.489 m) 98 inches (2.489 m)
Overall length 182.1 inches (4.625 m) 182.1 inches (4.625 m)
Overall width 69.2 inches (1.758 m) 69.2 inches (1.758 m)
Overall height   48.6 inches (1.234 m)
Front tread 58.3 inches (1.481 m) 58.3 inches (1.481 m)
Rear tread 59.0 inches (1.499 m) 59.0 inches (1.499 m)
Frame Full-length ladder type with five cross members. Steel box sections, welded.
Front suspension Independent, unequal-length A-arms, coil springs; tubular shocks and stabilizer bar
Rear suspension Independent, trailing arms, toe links, transverse chromium-carbon steel leaf spring, tube shocks, and anti-roll bar
Steering Saginaw recirculating ball, 17.6:1 ratio, 2.9 turns to lock, 39.9 turning circle
Rear axle type Sprung differential, Hypoid gear
Brakes Hydraulic, vented four wheel discs; 11.8-inch diameter, single calipers
Total swept area 259 sq. in. per ton, 461.2 sq. in. total
Wheels 6" wide slotted steel 15" 5-lug disc
Standard rear axle ratio 3.36:1
Optional rear axle ratio 3.08:1, 3.36:1, 3.55:1, 3.70:1, 4.11:1, 4.56:1

Engine Specifications

Feature Base RPO L75 RPO L79 RPO L36 RPO L71 RPO L88
Type V-8, Overhead valve
Block Cast iron block
Displacement 327 cid 427 cid
Bore & Stroke 4.00 x 3.25" 4.251 x 3.76"
Compression ratio 10.25:1 11.0:1 10.25:1 11.0:1 12.5:1
Brake horsepower 300 @ 5000 350 @ 5800 390 @ 5400 435 @ 5800 560 @ 6400
Torque 360 lb-ft @ 3400 360 lb-ft @ 3600 460 lb-ft @ 3600 460 lb-ft @ 4000  
Main bearing Five
Valve lifters Hydraulic Mechanical valve lifters
Camshaft   High-performance camshaft Special-performance camshaft Special ultra-high-performance camshaft with .5365-inch intakes
Fuel supply Rochester Type 4MV four-barrel Model 7028207 Holley four-barrel Three Holley two-barrels Single Holley 850CFM four-barrel

 


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