Corvette Specifications

1968 CORVETTE
  • The Corvette's first major restyling since 1963 occurred in 1968.
  • As the sales brochure read, "Corvette '68... all different all over"
  • The fast-back was replaced by a tunneled-roof coupe.
  • It featured a removable back window and a two-piece detachable roof section or T-top.
  • The convertible's optional hardtop had a glass rear window.
  • The front end was more aerodynamic than those on previous Corvettes.
  • As before, the headlights were hidden.
  • Now they were vacuum-operated, rather than electrical.
  • The wipers also disappeared when not in use.
  • Except for the rocker panels, the sides were devoid of chrome.
  • Conventional door handles were eliminated and in their place were push buttons.
  • The blunt rear deck contained four round taillights with the word Corvette printed in chrome in the space between them.
  • The wraparound, wing-like rear bumper and license plate holder treatment resembled that used on the 1967 models.
  • Buyers had their choice of 10 exterior colors
    • Tuxedo Black
    • Polar White
    • Corvette Bronze
    • LeMans Blue
    • International Blue
    • Cordovan Maroon
    • Rally Red
    • Silverstone Silver
    • British Green
    • Safari Yellow
  • All convertibles came with a choice of Black, White or Beige soft tops.
  • Interior colors were
    • Black
    • Red
    • Medium Blue
    • Dark Blue
    • Dark Orange
    • Tobacco
    • Gunmetal

I.D. NUMBERS

  • The serial number [Vehicle Identification Number -- VIN] was stamped on a plate on the inner vertical surface of the left windshield pillar visible through the windshield.
  • Convertible Serial numbers ranged from 194687S100001 to 194678S128566
  • Coupe Serial numbers ranged from 194378S100001 to 194378S128566
    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
    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
  • Corvette engines have the last six digits of the VIN stamped on the block next to the engine number
  • The body number plate was located on the engine side of the cowl.
  • The Fisher Body Style Number 68-19467 identifies a Corvette convertible
  • The Fisher Body Style Number 68-19437 identifies a Corvette coupe
  • The body number is the production serial number of the body.
  • The trim number indicates the interior trim color and material.
  • The ten 1968 Corvette exterior colors were:
    • 900 = Tuxedo Black
    • 972 = Polar White
    • 974 = Rally Red
    • 976 = LeMans Blue
    • 978 = International Blue
    • 983 = British Green
    • 984 = Safari Yellow
    • 986 = Silverstone Silver
    • 988 = Cordovan Maroon
    • 992 = Corvette Bronze
  • Upholstery Codes
    Color Vinyl Upholstery Leather Upholstery
    Black STD 402
    Red 407 408
    Blue 411 412
    Bright Blue 414 415
    Orange 425 426
    Tobacco 435 436
    Gunmetal 442  

IDENTIFICATION

Series No. Body/Style No. Body Type Factory Price Shipping Weight Production Total
194 37
2-dr. Sport Coupe - 2 passenger
$4663 3055 lb 9,936
194 67
2-dr. Conv - 2 passenger
$4347 3070 lb 18,630

ENGINE

Feature Standard Engine (RPO L75) Optional Engine (RPO L79) Optional Engine (RPO L36) Optional Engine (RPO L71) Optional Engine (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

TRANSMISSION

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

      CHASSIS

      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 recirulating 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

      OPTIONS

       

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      • RPO 898 Genuine leather seat trim ($79)
      • RPO A01 Soft-Ray tinted glass, all windows ($15.80)
      • RPO A31 Electric power windows ($57.95)
      • RPO A82 Headrests ($42.15)
      • RPO A85 Custom shoulder harness ($26.35)
      • RPO C07 Auxiliary hardtop for convertible ($231.75)
      • RPO C08 Vinyl cover for auxiliary hardtop ($52.70)
      • RPO C50 Rear window defroster ($31.60)
      • RPO C60 Air conĀ­ditioning ($412.90)
      • RPO F41 Special front and rear suspension ($36.90)
      • RPO G81 Positraction rear axle, all ratios ($42.35)
      • RPO J50 Power brakes ($42.15)
      • RPO J56 Special heavy-duty brakes ($384.45)
      • RPO K66 Transistor ignition system ($73.75)
      • RPO L36 427-cd 390-hp V-8 ($200.15)
      • RPO L68 427-cid 400-hp V-8 ($305.50)
      • RPO L71 427-cid 435-hp V-8 ($437.10)
      • RPO L81 427-cid 435-hp V-8 ($437.10)
      • RPO L79 327-cid 350-hp V-8 ($105.35)
      • RPO L88 427-cid 560-hp V-8 ($947.90)
      • RPO M20 Four-speed manual transmission ($184.30)
      • RPO M21 Four-speed close-ratio manual transmission ($184.30)
      • RPO M22 Heavy-duty close-ratio four-speed manual transmission ($263.30)
      • RPO M35 Turbo Hydra-Matic automatĀ­ic transmission ($226.45)
      • RPO N11 Off-road exhaust system ($36.90)
      • RPO N36 Telescopic steering wheel ($42.15)
      • RPO P01 Bright metal wheel cover ($57.95)
      • RPO PT6 Red stripe nylon tires F70 x 15 ($31.30)
      • RPO PT7 F70 x 15 white stripe tires ($31.35)
      • RPO UA6 Alarm system ($26.35)
      • RPO U15 Speed-warning indicator ($10.55)
      • RPO U69 AM-FM radio ($172.75)
      • RPO U79 Stereo radio ($278.10)

      HISTORICAL NOTES

      • Just over 80 percent of 1968 Corvettes were equipped with four-speed manual transmission
      • 81 percent had tinted glass
      • 36.3 percent had power steering
      • 19.8 percent had air conditioning
      • 33.7 percent had power brakes.
      • The L79-powe red Corvette of this year could go from 0-to-60 mph in 7.7 seconds and from 0-to-100mph in 20.7 seconds.
      • The L71 -powered Corvette of this year could go from 0-to-30 in 3.0 seconds; from 0-to-5O in 5.3 seconds and from 0-to-60 in 6.5 seconds.
      • It did the quarter mile in 13.41 seconds at 109.5mph.
      • Top speed (L71) was 142 mph.

      1968 CORVETTE
      1968 Corvette

      1968 Corvette

      1968 Corvette

      1968 Corvette

      1968 Corvette

      1968 Corvette

      1968 Corvette

      1968 Corvette

      1968 Corvette