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1966 Specs

More About the 1966 Corvette
1966 Chevrolet Corvette C2

1966 Chevrolet Corvette C2

Close1966 Chevrolet Corvette C2

Body Specs

Wheelbase:   98.00 inches
Overhang (Front):   31.9 inches
Overhang (Rear):   45.2 inches
Front Track:   56.8 inches
Rear Track:   57.6 inches
Length:   175.1 inches
Front Fender Width:   69.6 inches (Maximum)
Rear Fender Width:   67.3 inches
Height:   49.6 inches (Coupe)
  49.8 inches (Soft, Hard Top)
Finish (paint type):   Lacquer
Turning Diameter - Outside Front:   41.6 feet wall - wall
  39.9 feet curb - curb
Turning Diameter - Inside Rear:   25.6 feet wall - wall
  25.6 feet curb - curb
Steering gear ratio:   16:1
Steering Wheel Turns:   Manual: 3.4
  Power: 2.92
Power Steering Fluid Capacity:   2.3 Pints
Steering Wheel Type:   Deep Dish
Steering Wheel Diameter:   16.0 inches
Tire Size:   7.75-15 4 Ply Rating
Recommended Tire Inflation   24 psi, All Wheels
Wheels, Regular Production:   Size: 15 x 5.5
  Attachment to Hub: Five Hex nuts
Wheels, Quick Take-Off, RPO P48:   Size: 15 x 6
  Cast Aluminum
  Method of Retention: Adapter and Lock Nut
Three Speed Transmission:   1st Gear 2.58:1
  2nd Gear 1.48:1
  3rd Gear 1.00:1
  Reverse Gear 2.58:1
Automatic (Powerglide) Transmission:   Drive: 1.76:1 & 1:1
  Low and Reverse: 1.76:1
Lubricant Capacity:   3 Quarts
Four Speed Transmission
(Standard, L75 engines):
  1st Gear 2.56:1
  2nd Gear 1.91:1
  3rd Gear 1.48:1
  4th Gear 1.00:1
  Reverse Gear 2.64:1
Close Ratio
Four Speed Transmission
(L76, L78, L79, L84 engines):
  1st Gear 2.20:1
  2nd Gear 1.64:1
  3rd Gear 1.28:1
  4th Gear 1.00:1
  Reverse Gear 2.27:1
Transmission Lubricant Type:   Military MIL-L-2105-B
  SAE 80
Lubricant Capacity:   Three Speed: 2 Quarts
  Four Speed: 2.5 Quarts
Differential Lubricant Type:   Military MIL-L-2105-B
  SAE 80
Differential Lubricant Capacity:   3.7 pints
Axle Ratio:   3.08:1 (RPO G91 Four Speed, standard, L75 Engine)
  Optional: 3.36:1, 3.55:1, 3.70:1, 4.11:1 and 4.56:1
Transmission Synchromesh:   Three Speed: 2nd and 3rd Gears
  Four Speed: All Four Gears
Standard Fuel Tank Capacity:   20 Gallons
Fuel Tank Code (RPO N03):   36.0 Gallons (Coupe Only)


Weight

300 Horsepower Engine, Three Speed Transmission
Model 19467 Convertible:   Front: 1,525; Design: 1,605; Shipping*: 1,530 lb.
  Rear: 1,635; Design: 1,855; Shipping*: 1,475 lb.
  Total: 3,160; Design: 3,460; Shipping*: 3,005 lb.
Model 19437 Sport Coupe:   Front: 1,555; Design: 1,605; Shipping*: 1,555 lb.
  Rear: 1,635; Design: 1,855; Shipping*: 1,430 lb.
T  otal: 3,140; Design: 3,460; Shipping*: 2,985 lb.
Model 19467 Convertible as a Hardtop:   +8 lb.
Powerglide Transmission:   +23.3 lb.
*These are weights that are reported to states for licensing purposes.
Three Speed Manual Transmission:   Standard Engine: 3,443 lb.
  Weight / Horsepower: 11.48
Three Speed Manual Transmission:   L79 Engine: 3,446 lb.
  Weight / Horsepower: 9.84
Four Speed Manual Transmission:   Standard Engine: 3,436 lb.
  Weight / Horsepower: 11.45
Four Speed Manual Transmission:   L79 Engine: 3,440 lb.
  Weight / Horsepower: 9.83
Four Speed Manual Transmission:   L36 Engine: 3,612 lb.
  Weight / Horsepower: 9.26
Four Speed Manual Transmission:   L72 Engine: 3,614 lb.
  Weight / Horsepower: 8.50
Powerglide (Automatic) Transmission:   Standard Engine: 3,455 lb.
  Weight / Horsepower: 11.52
Weight Differentials
Powerglide (Automatic) Transmission:   +28 lb.
Four Speed Transmission:   +8 lb.
427 cubic inch Engine:   +200 lb.
Power Brakes:   +12 lb.
Power Steering:   +21 lb.
Air Conditioning:   +88 lb.
Auxiliary Top:   +58 lb.
Radio:   +20 lb.
Less Heater:   -19 lb.


Engine Specs

Type:   V8
Valve Location:   In Head
Bore / Stroke:   4.00" / 3.25" (Standard, L79 327 Cubic Inch)
  4.25" / 3.76" (L36, L72 427 Cubic Inch)
Displacement:   Standard, L79: 327 Cubic Inches
  L36, L72: 427 Cubic Inches
Compression Ratio:   10.5 : 1 (Standard, L36 Engine)
  11.0:1 (L72, L79 engine)
Rocker Arms:   Stamping, Steel
Rocker Arm Ratio:   1.5:1
Valve Train Lash, Inlet / Exhaust
Hydraulic Lifters
  Zero
Valve Train Lash, Inlet / Exhaust
Mechanical Lifters (RPO L72):
  Inlet: .024 inch
  Exhaust: .028 inch
Crankshaft Material:   Forged Steel
Camshaft Material:   Cast Alloy Iron
Oil Pump Type:   Gear
Normal Oil Pressure:   30 - 45 psi @ 1,500 RPM
  50 - 75 psi @ 2,000 RPM
Oil Pressure Gauge:   Mechanical
Crankcase Oil Capacity, Standard Engine:   4 Quarts, Less Filter
  5 Quarts, With Filter
Crankcase Oil Capacity, L36, L72 and L79 Engines:   5 Quarts, Less Filter
  6 Quarts, With Filter
Recommended Oil Grade:   Above 32°: SAE 20W, SAE 20 or SAE 10W-30
  To 0°: SAE 10W or SAE 10W-30
  Below 0°: SAE 5W or SAE 5W-20
  Alternate: SAE 5W-30 can be used for 5W, 5W-20 or 10W-30
Carburetor:   Carter 3826003 Single 4 barrel
  L75 Engine: Carter 3826004 (3826006 Powerglide)
  L76 Engine: Carter 3826004
Fuel Filter:   Strainer
Fuel Pump:   Mechanical
Fuel Pressure:   5¼ - 6½ PSI
Cooling System Capacity:   327 cubic inch Engines
  16 Quarts (with heater)
  15 Quarts (without heater)
  427 cubic inch Engines
  23 Quarts (with heater)
  22 Quarts (without heater)
Thermostat Type:   Choke
Radiator Cap Relief Pressure:   13 PSI
Battery:   12 volt
  61 Amp hr. @ 20 hr.
  6 cells / 66 Plates
Thermostat Opening 177° - 182° F
Compression Pressure:   160 PSI (All but L72 Engine)
  170 PSI (L72 Engine)

Horsepower
Standard Engine:   300 hp @ 5,000 RPM;
  Torque: 360 lb-ft @ 3,400 RPM
RPO L79:   350 hp @ 5,800 RPM;
  Torque: 360 ft-lb. @ 3,600 RPM
RPO L36 (427 cubic inch):   390 hp @ 5,200 RPM;
  Torque: 460 lb-ft @ 3,600 RPM
RPO L72 (427 cubic inch):   425 hp @ 5,600 RPM;
  Torque: 460 lb-ft @ 4,000 RPM

Ignition System
Coil:   Delco-Remy 1111153 Base; 1111156 L79; 1111141 L36; 1111093 L72
Coil current rating:   4 amps (engine stopped)
  1.8 amps (engine running)
Breaker Gap:   .019" (New)
Ignition Timing
Initial Design Setting:
  6° @ 500 RPM (Standard Engine)
  10° @ 700 RPM (L79 Engine)
  4° @ 550 RPM (L36 Engine)
  8° @ 800 RPM (L72 Engine)
Ignition Timing Centrifugal Advance:   Begins: 900 RPM (L72: 1,000 RPM)
  30° @ 5,100 RPM (Standard, L79 Engine)
  28° @ 4,600 RPM (L36 Engine)
Ignition Timing Vacuum Advance:   Begins: 6 inches Hg (Standard Engine)
  Maximum: 15° @ 12 inches Hg
  Begins: 4 inches Hg (L79 Engine)
  Maximum: 16° @ 7 inches Hg
  Begins: 6 inches Hg (L36 Engine)
  Maximum: 15° @ 12 inches Hg
  Begins: 7 inches Hg (L72 Engine)
  Maximum: 12° @ 12 inches Hg
Spark Plug:   AC44 (327 Cubic Inch Engines)
  AC43N (427 Cubic Inch Engines)
Spark Plug Thread:   14 mm.
Spark Plug Torque:   25 lb.-ft.
Spark Plug Gap:   .033 - .038 inch
Firing Order:   1-8-4-3-6-5-7-2

1966 Corvette Options

RPO Description Production    Price
Genuine Leather Seats 2,002 (7.22%) $79.00
A01 Soft Ray Tinted Glass, all windows 11,859 (42.78%) $15.80
A02 Soft Ray Tinted Glass, windshield 9,270 (33.44%) $10.55
A31 Power Windows 4,562 (16.46%) $57.95
A82 Headrests 1,033 (3.73%) $42.15
A85 Shoulder Belts 37 (0.13%) $26.35
C07 Auxiliary Hardtop (for convertible) 8,463 (30.53%) $231.75
C48 Heater and Defroster Deletion (credit) 54 (0.19%) n/a
C60 Air Conditioning 3,520 (12.70%) $412.90
F41 Special Front and Rear Suspension 2,705 (9.76%) $36.90
G81 Positraction Rear Axle, all ratios 24,056 (86.78%) $42.15
J50 Power Brakes 5,464 (19.71%) $42.15
J56 Special Heavy Duty Brakes 382 (1.38%) $342.30
K19 Air Injection Reactor 2,380 (8.59%) $44.75
K66 Transistor Ignition System 7,146 (25.78%) $73.75
L36 427 cu. in. 390hp Engine 5,116 (18.46%) $181.20
L72 427 cu. in. 425hp Engine 5,258 (18.97%) $312.85
L79 327 cu. in. 350hp Engine 7,591 (27.38%) $105.35
M20 4-Speed Manual Transmission 10,837 (39.09%) $184.35
M21 4-Speed Man Transmission, close ratio 13,903 (50.16%) $184.35
M22 4-Speed Man Transmission, close ratio, heavy duty 15 (0.05%) $237.00
M35 Powerglide Automatic Transmission 2,401 (8.66%) $194.85
N03 36 Gallon Fuel Tank (for coupe) 66 (0.24%) $198.05
N11 Off Road Exhaust System 2,795 (10.08%) $36.90
N14 Side Mount Exhaust System 3,617 (13.05%) $131.65
N32 Teakwood Steering Wheel 3,941 (14.22%) $47.40
N36 Telescopic Steering Column 3,670 (13.24%) $42.15
N40 Power Steering 5,611 (20.24%) $94.80
P48 Cast Aluminum Knock-Off Wheels (5) 1,194 (4.31%) $316.00
P92 Whitewall Tires, 7.75x15 (rayon cord) 17,969 (64.82%) $31.30
T01 Goldwall Tires, 7.75x15 (nylon cord) 5,557 (20.05%) $46.55
U69 AM-FM Radio 26,363 (95.10%) $199.10
V74 Traffic Hazard Lamp Switch 5,764 (20.79%) $11.60

Total Production: 27,720
Coupe: 9,958 (35.92%)
Convertible: 17,762 (64.08%)

Notes: Base Corvette Coupe with 327 cu. in. 300 hp engine and three speed manual transmission: $4,295.00.
Base Corvette Convertible with 327 cu. in. 300 hp engine and three speed manual transmission: $4,084.00.

Colors

Code Exterior Quantity Interior Soft Top Wheels
900 Tuxedo Black 1,190 (4.29%) Black / Red / Bright Blue / White-Blue / Saddle / Silver / Green / Blue Black / White / Beige Black
972 Ermine White 2,120 (7.65%) Black / Red / Bright Blue / White-Blue / Saddle / Silver / Green / Blue Black / White / Beige Black
974 Rally Red 3,366 (12.14%) Black / Red Black / White / Beige Black
976 Nassau Blue 6,100 (22.01%) Black / Bright Blue / White-Blue / Blue Black / White / Beige Black
978 Laguna Blue 2,054 (7.41%) Black / Bright Blue / Blue Black / White / Beige Black
980 Trophy Blue 1,463 (5.28%) Black / Bright Blue / Blue Black / White / Beige Black
982 Mosport Green 2,311 (8.34%) Black / Green Black / White / Beige Black
984 Sunfire Yellow 2,339 (8.44%) Black Black / White / Beige Black
986 Silver Pearl 2,967 (10.70%) Black / Silver Black / White / Beige Black
988 Milano Maroon 3,799 (13.70%) Black / Saddle Black / White / Beige Black

1966 Corvette