1968 CORVETTE

V.I.N. NUMBERS

PositionCharacterDescription
11Chevrolet Division
2 & 394body series: Corvette
4 & 567convertible
37coupe
681968
7SAssembled in St. Louis, MO
8 to 13100001 to 128566production sequence
1 to 70001001sequential production number
8F or TFlint, MI or Tonawanda, NY
9 to 10Carburetion & 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
ColorVinyl UpholsteryLeather Upholstery
BlackSTD402
Red407408
Blue411412
Bright Blue414415
Orange425426
Tobacco435436
Gunmetal442 

IDENTIFICATION

Series No.Body/Style No.Body TypeFactory PriceShipping WeightProduction Total
19437
1968 Corvette

1968 Corvette 2-dr. Sport Coupe - 2 passenger

$46633055 lb9,936
19467
1968 Corvette

1968 Corvette 2-dr. Convertible - 2 passenger

$43473070 lb18,630

ENGINE

FeatureStandard Engine (RPO L75)Optional Engine (RPO L79)Optional Engine (RPO L36)Optional Engine (RPO L71)Optional Engine (RPO L88)
TypeV-8, Overhead valve
BlockCast iron block
Displacement327 cid427 cid
Bore & Stroke4.00 x 3.25"4.251 x 3.76"
Compression ratio10.25:111.0:110.25:111.0:112.5:1
Brake horsepower300 @ 5000350 @ 5800390 @ 5400435 @ 5800560 @ 6400
Torque360 lb-ft @ 3400360 lb-ft @ 3600460 lb-ft @ 3600460 lb-ft @ 4000 
Main bearingfive
Valve liftershydraulicMechanical valve lifters
Camshaft high-performance camshaftSpecial-performance camshaftSpecial ultra-high-performance camshaft with .5365-inch intakes
Fuel supplyRochester Type 4MV four-barrel Model 7028207Holley four-barrelThree Holley two-barrelsSingle Holley 850CFM four-barrel

TRANSMISSION

Standard Manual Transmission Automatic Transmission Optional Manual Transmission Optional Manual Transmission Optional Manual Transmission
Three-speed manual all-synchromesh transmission with floor-mounted gear shifter Three-speed Turbo Hydra-Matic automatic transmission with floor-mounted gear shifter (optional) High-performance four-speed manual all-synchromesh transmission with floor-mounted gear shifter Special high-performance four-speed manual all-synchromesh close-ratio transmission with floor-mounted gear shifter Special heavy-duty four-speed manual all-synchromesh transmission with floor-mounted gear shifter

CHASSIS

FeatureConvertibleCoupe
Wheelbase98 inches (2.489 m)98 inches (2.489 m)
Overall length182.1 inches (4.625 m)182.1 inches (4.625 m)
Overall width69.2 inches (1.758 m)69.2 inches (1.758 m)
Overall height 48.6 inches (1.234 m)
Front tread58.3 inches (1.481 m)58.3 inches (1.481 m)
Rear tread59.0 inches (1.499 m)59.0 inches (1.499 m)
FrameFull-length ladder type with five cross members. Steel box sections, welded.
Front suspensionIndependent, unequal-length A-arms, coil springs; tubular shocks and stabilizer bar
Rear suspensionIndependent, trailing arms, toe links, transverse chromium-carbon steel leaf spring, tube shocks, and anti-roll bar
SteeringSaginaw recirculating ball, 17.6:1 ratio, 2.9 turns to lock, 39.9 turning circle
Rear axle typeSprung differential, Hypoid gear
BrakesHydraulic, vented four wheel discs; 11.8-inch diameter, single calipers
Total swept area259 sq. in. per ton, 461.2 sq. in. total
Wheels6" wide slotted steel 15" 5-lug disc
Standard rear axle ratio3.36:1
Optional rear axle ratio3.08:1, 3.36:1, 3.55:1, 3.70:1, 4.11:1, 4.56:1

OPTIONS

RPO 898Genuine leather seat trim$79
RPO A01Soft-Ray tinted glass, all windows$15.80
RPO A31Electric power windows$57.95
RPO A82Headrests$42.15
RPO A85Custom shoulder harness$26.35
RPO C07Auxiliary hardtop for convertible$231.75
RPO C08Vinyl cover for auxiliary hardtop$52.70
RPO C50Rear window defroster$31.60
RPO C60Air conditioning$412.90
RPO F41Special front and rear suspension$36.90
RPO G81Positraction rear axle, all ratios$42.35
RPO J50Power brakes$42.15
RPO J56Special heavy-duty brakes$384.45
RPO K66Transistor ignition system$73.75
RPO L36427-cd 390-hp V-8$200.15
RPO L68427-cid 400-hp V-8$305.50
RPO L71427-cid 435-hp V-8$437.10
RPO L81427-cid 435-hp V-8$437.10
RPO L79327-cid 350-hp V-8$105.35
RPO L88427-cid 560-hp V-8$947.90
RPO M20Four-speed manual transmission$184.30
RPO M21Four-speed close-ratio manual transmission$184.30
RPO M22Heavy-duty close-ratio four-speed manual transmission$263.30
RPO M35Turbo Hydra-Matic automatic transmission$226.45
RPO N11Off-road exhaust system$36.90
RPO N36Telescopic steering wheel$42.15
RPO P01Bright metal wheel cover$57.95
RPO PT6Red stripe nylon tires F70 x 15$31.30
RPO PT7F70 x 15 white stripe tires$31.35
RPO UA6Alarm system$26.35
RPO U15Speed-warning indicator$10.55
RPO U69AM-FM radio$172.75
RPO U79Stereo radio$278.10

HISTORICAL NOTES

1968 CORVETTE PHOTOS

1968 Corvette

1968 Corvette

1968 Corvette

1968 Corvette

1968 Corvette

1968 Corvette

1968 Corvette

1968 Corvette

1968 Corvette

1968 Corvette

1968 Corvette

1968 Corvette

1968 Corvette

1968 Corvette

1968 Corvette

1968 Corvette

1968 Corvette

1968 Corvette

LITERATURE & LINKS

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