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1985 Chevrolet Corvette Brochure Scan
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1985 Corvette Specs

Body Specs

Wheelbase 96.2 inches
Overhand (Front) 40.5 inches
Overhang (Rear) 39.7 inches
Front Track 59.6 inches
Rear Track 60.4 inches
Length 176.5 inches
Ground Clearance
Differential to Ground
6.8 inches
Ground Clearance
Front Bumper to Ground
4.9 inches
Ground Clearance
Rear Bumper to Ground
13.0 inches
Minimum Ground Clearance 4.7 inches
(Measured at Catalytic Converter)
Overall Height 46.4 inches
Rocker Panel to Ground (Front) 6.9 inches
Rocker Panel to Ground (Rear) 6.9 inches
Cargo Capacity 100 lbs. / 17.9 cubic feet
Liftover Height: 35.7 Inches
Cargo Length at Floor: 33.0 inches
Cowl Height 35.4 inches
Windshield Slope Angle 64.0°
Effective Head Room 36.4 inches
Shoulder Room 54.0 inches
Hip Room 49.3 inches
Tire Size P225/50VR-16 (Eagle VR, Goodyear)
Wheel Size 16" x 8.5" (Front and Rear)
With Z51 Performance Handling Package
Front: 16" x 8.5"; Rear: 16" x 9.5"
Recommended Tire Inflation 35 PSI Front; 32 PSI Rear
Manual Four Speed Transmission 1st Gear 2.88:1
2nd Gear 1.91:1 (1.28:1 Overdrive)
3rd Gear 1.33:1 (0.89:1 Overdrive)
4th Gear 1.00:1 (0.67:1 Overdrive)
Reverse Gear 2.78:1
Turbo Hydra-Matic (Automatic) Transmission 1st Gear 3.06:1
2nd Gear 1.63:1
3rd Gear 1.00:1
4th Gear 0.70:1
Reverse Gear 2.29:1
Turbo Hydra-Matic (Automatic) Transmission
Lubricant
Dextron II
8.0 Pints
Maximum Uphill Speed
(Wide Open Throttle)
1 > 2: 41 MPH
2 > 3: 75 MPH
3 > 4: 110 MPH
Differential Lubricant Type
Manual Transmission
GL-5 (Dextron II for Overdrive)
SAE 80W, SAE 80W-90
Extreme Cold: SAE 80W
Axle Ratio 3.07:1 (Manual Transmission)
2.73:1 (Automatic Transmission)
3.31:1 (Optional)
Standard Fuel Tank Capacity 20 Gallons
Steering Ratio 15.5:1
13.0:1 (Performance Handling Package, RPO Z51)
Steering Wheel Diameter 14.5 inches
Wheel Turns 2.36
1.96 (Performance Handling Package, RPO Z51)
Turning Diameters
Outside Front
41.4 feet (Wall to Wall)
40.1 feet (Curb to Curb)


EPA Fuel Economy

Manual City: 15
Highway: 20
Combined: 17
Automatic City: 15
Highway: 21
Combined: 17


Weight

Model 1YY07 Sport Coupe Curb Mass with Four Speed Manual Transmission
Front: 1,640 lb.
Rear: 1,576 lb.
Total: 3,216 lb.
Shipping: 3,111 lb.
Curb Mass with 700-R4 Automatic Transmission
Front: 1,641 lb.
Rear: 1,583 lb.
Total: 3,224 lb.
Shipping: 3,121 lb.
Curb Weight: The calculated weight of a vehicle with standard equipment, only as designed with the additional load of oils, lube, coolants and fuel filled to capacity.
Shipping Weight: Same as base curb weight except 3 gallons of gasoline.

Weight Differentials
Removeble Plastic Roof Panel
(RPO CC3)
-4.0 lb.
(-0.9 lb. Front; -3.1 lb. Rear)
Power Door Lock System
(RPO AU3)
+1.8 lb.
(+0.9 lb. Front; +0.9 lb. Rear)
Power Seat, Six Way Driver Seat
(RPO AG9)
-12.3 lb.
(+3.5 lb. Front; -15.9 lb. Rear)
Electric Defogger System
Rear Window and Side Mirror
(RPO Z6A)
+1.3 lb.
(+0 lb. Front; +1.3 lb. Rear)
Performance Handling Package
(RPO Z51)
+19.4 lb.
(+13.2 lb. Front; +6.2 lb. Rear)
Automatic Speed Control
With Resume Speed
(RPO K34)
+2.7 lb.
(+2.3 lb. Front; +0.4 lb. Rear)
Radio AM / FM Stereo with Cassette
(RPO UM6)
Includes Power Rear Antenna plus Two Front and Rear Speakers
+3.5 lb.
(+2.6 lb. Front; +0.9 lb. Rear)
Universal CB Radio
(RPO UN8)
Includes Tri-Band Power Antenna
+4.4 lb.
(+2.0 lb. Front; +2.4 lb. Rear)
Delco-Bose
Premium Audio System
(RPO UU8)
+15.4 lb.
(+5.7 lb. Front; +9.7 lb. Rear)
Radio Delete (RPO UL5) -9.6 lb.
(-4.8 lb. Front; -4.8 lb. Rear)
Full Feature Sports Seats
(RPO AQ9)
+5.4 lb.
(+4.0 lb. Front; +1.4 lb. Rear)
Four Speed Manual Transmission
(RPO MM4)
-9.7 lb.
(-4.4 lb. Front; -5.3 lb. Rear)
Custom Two Tone Paint
(RPO D84)
+0.8 lb.
(+0.4 lb. Front; +0.4 lb. Rear)


Engine Specs

Type: V8
Valve Location: In Head
Bore / Stroke: 4.00" / 3.48"
Displacement: 350 Cubic Inches
(5.7 Liters)
Compression Ratio: 9.0:1
Cylinder Head Material: Cast Alloy Iron
Cylinder Block Material: Cast Alloy Iron
Oil Pump Type: Gear
Cooling System Capacity 14.65 Quarts (Manual Transmission)
14.51 Quarts (Automatic Transmission)
Radiator Cap Relief Pressure 15 PSI
Battery 12 volt - 550 Cold Cranking Amps (CCA)
54 Amp-hours

Fuel System
Type Electronic Fuel Injection - Tuned Port Injection
Fuel Pump Electric, Dual Turbine - In Fuel Tank
System Pressure 11.0 PSI
Point of Injection Fuel Injectors at Inlet Ports
Flow Pulse

Horsepower
Standard Engine (350 cubic inch) 230 hp @ 4,000 RPM;
Torque: 330 lb-ft @ 3,200 RPM

Ignition System
Spark Plug R43TS
Make: AC
Spark Plug Thread M14 x 1.25
Spark Plug Gap .045 inch
Spark Plug Tightening Torque 7 - 15 lb. - ft.

Brakes
Type Disc with Sliding Head Caliper - low drag
Effective Area 27.0 Square Inches (Front)
18.3 Square Inches (Rear)
Gross Lining Area 27.0 Square Inches (Front)
18.3 Square Inches (Rear)
Swept Area 96.4 Square Inches (Front)
87.5 Square Inches (Rear)
Rotor Outer Working Diameter: 11.5 inches
Inner Working Diameter:
8.42 Inches (Front), 8.75 Inches (Rear)
Type and Material: Gray Cast Iron (Front)
Damped Iron (Rear)

1985 Corvette Options

RPO Description Production Price
Sports Seats, cloth 5,661 (14.25%) $625.00
AG9 Power Driver Seat 37,856 (95.29%) $215.00
AQ9 Sports Seats, leather n/a $1,025.00
AR9 Base Seats, leather n/a $400.00
AU3 Power Door Locks 38,294 (96.39%) $170.00
CC3 Removable Transparent Roof Panel 28,143 (70.84%) $595.00
D84 Two-Tone Paint 6,033 (15.19%) $428.00
FG3 Delco-Bilstein Shock Absorbers 9,333 (23.49%) $189.00
G92 Performance Axle Ratio 5,447 (13.71%) $22.00
K34 Cruise Control 38,369 (96.58%) $185.00
MM4 4-Speed Manual Transmission 9,576 (24.10%) $0.00
NN5 California Emission Requirements 6,583 (16.57%) $99.00
UL5 Radio Delete 172 (0.43%) $-256.00
UM6 AM-FM Stereo Cassette 2,958 (7.45%) $122.00
UN8 AM-FM Stereo, Citizens Band 16 (0.04%) $215.00
UU8 Stereo System, Delco-Bose 35,998 (90.61%) $895.00
V08 Heavy-Duty Cooling 17,539 (44.15%) $225.00
Z51 Performance Handling Package 14,802 (37.26%) $470.00
Z6A Rear Window + Side Mirror Defoggers 37,720 (94.94%) $160.00

Total Production: 39,729
Coupe: 39,729 (100.00%)

Notes: Base Corvette Coupe with 350 cu. in. 230 hp engine with automatic transmission: $24,403.00.

Colors

Code Exterior Quantity Interior Wheels
13 Silver Metallic 1,752 (4.41%) Graphite / Medium Gray Alloy
13 / Silver / Gray 2,170 (5.46%) Graphite / Medium Gray Alloy
18 Medium Gray Metallic 2,519 (6.34%) Graphite / Medium Gray Alloy
20 Light Blue Metallic 1,021 (2.57%) Medium Blue Alloy
20 / Light Blue / Medium Blue 1,470 (3.70%) Medium Blue Alloy
23 Medium Blue Metallic 2,041 (5.14%) Medium Blue Alloy
40 White 4,455 (11.21%) Carmine / Graphite / Saddle / Medium Blue / Medium Green Alloy
41 Black 7,603 (19.14%) Carmine / Graphite / Saddle / Medium Green Alloy
53 Gold Metallic 1,411 (3.55%) Saddle Alloy
63 Light Bronze Metallic 1,440 (3.62%) Bronze Alloy
63 / Light Bronze / Dark Bronz 2,393 (6.02%) Bronze Alloy
66 Dark Bronze Metallic 1,030 (2.59%) Bronze Alloy
81 Bright Red 10,424 (26.24%) Carmine / Graphite / Saddle / Medium Green Alloy


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