1978 Corvette Pricing, Factory Options, & Colors

1978 Corvette Factory Options

CODE	DESCRIPTION	QUANTITY	PRICE
1YZ87	Base Corvette Sport Coupe	40,274	$9,351.00
1YZ87 / 78	Limited Edition Corvette Pace Car	6,502	$13,653.21
A31	Power Windows	36,931	$130.00
AU3	Power Door Locks	12,187	$120.00
B2Z	Silver Anniversary Paint	15,283	$399.00
CC1	Removable Glass Roof Panels	972	$349.00
C49	Rear Window Defogger	30,912	$95.00
C60	Air Conditioning	37,638	$605.00
D35	Sport Mirrors	38,405	$40.00
FE7	Gymkhana Suspension	12,590	$41.00
G95	Optional Rear Axle Ratios	382	$15.00
K30	Cruise Control	31,608	$99.00
L82	350ci, 220hp Engine	12,739	$525.00
M21	4-Speed Manual Trans, Close Ratio	3,385	$0.00
MX1	Automatic Transmission	38,614	$0.00
NA6	High-Altitude Emission Equipment	260	$33.00
N37	Tilt-Telescopic Steering Column	37,858	$175.00
QBS	White Letter SBR Tires, P255 / 60R15	18,269	$216.32
QGR	White Letter SBR Tires, P225 / 70R15	26,203	$51.00
UA1	Heavy Duty Battery	28,243	$18.00
UM2	AM-FM Radio, stereo with 8-track tape	20,899	$419.00
UP6	AM-FM Radio, stereo with CB	7,138	$638.00
U58	AM-FM Radio, stereo	10,189	$286.00
U69	AM-FM Radio	2,057	$199.00
U75	Power Antenna	23,069	$49.00
U81	Dual Rear Speakers	12,340	$49.00
YF5	California Emission Certification	3,405	$75.00
YJ8	Aluminum Wheels (4)	28,008	$340.00
ZN1	Trailer Package	972	$89.00
ZX2	Convenience Group	37,222	$84.00

Base Corvette Sport Coupe (1YZ87)

• The base price of the 1978 Chevrolet Corvette Coupe without any optional equipment.
• A 350 cubic inch, 185 horsepower engine, 4-speed wide ratio manual transmission, leather interior trim, and T-tops were included in the base price.

Limited Edition Corvette Pace Car (1YZ87 / 78)

• The base price of the 1978 Limited Edition Corvette Pace Car without any additional optional equipment.
• A 350 cubic inch, 185 horsepower engine, 4-speed wide ratio manual transmission, power windows, power door locks, removable glass roof panels, rear window defogger, air conditioning, sport mirrors, tilt-telescopic steering column, white letter SBR tires
• P255/60R15, heavy duty battery, AM-FM radio/stereo with 8-track tape, power antenna, dual rear speakers, aluminum wheels (red accent), convenience group and special seats were included in the base price.
• A total of 6,502 Corvette Pace Car replicas were built.

Power Windows (A31)

• Factory installed power driver and passenger windows.

Power Door Locks (AU3)

• Factory installed power door locks.

Silver Anniversary Paint (B2Z)

• A special Silver Anniversary paint option.
• It includes a two-tone silver and gray paint treatment which accentuates body contours.

Removable Glass Roof Panels (CC1)

• Tinted glass lift-out roof panels.

Rear Window Defogger (C49)

• An optional rear window forced air defogger.

Air Conditioning (C60)

• Factory installed four-season air-conditioning.
• System includes evaporator, blower, condenser, receiver-dehydrator, refrigerant (freon) tank, air intake assembly and duct assembly for both systems. Includes an integrated heater.

Sport Mirrors (D35)

• Outside mirror assembly that included a mechanical linkage to control movement from inside the cockpit.

Gymkhana Suspension (FE7)

• An optional, heavier-duty suspension system for higher levels of performance.
• The Gymkhana rear leaf springs contained 9 leafs, though the top leaf is very small. GM identifies the rear leaf springs as an 8-leaf spring.
• Included a stiffer front sway bar and stiffer springs.
• There were no restrictions on ordering this option – it could be ordered with any engine/transmission combination.

Optional Rear Axle Ratios (G95)

• A selection of optional rear axle ratios.
• In 1978, these included: 3.08 (Code OA), 3.36 (Code OK), 3.36 (Code OM), 3.55 (Code OH), and 3.70 (Code OJ

Speed Control (K30)

• An early version of (what is commonly known today as) cruise control.
• The speed control option required an automatic transmission.

350ci, 220hp Engine (L82)

• Optional higher-output, small block V-8 engine.

4-Speed Manual Transmission, Close Ratio (M21)

• A close ratio version of the M20 Muncie 4-speed manual transmission.
• The gear ratios for the RPO M21 Close Ratio 4-Speed Manual Transmission are: 1st Gear – 2.43:1, 2nd Gear – 1.61:1, 3rd Gear – 1.23:1, 4th Gear – 1.0:1 (Direct).
• M21 was a no-cost option but required the optional L82 engine.

Automatic Transmission (MX1)

• An optional, three-speed automatic transmission.
• The Automatic Transmission consisted of a 3-element hydraulic torque converter and compound planetary gear set. It was equipped with the following gear ratios: 1st Gear – 2.52:1, 2nd Gear – 1.52:1, and 3rd Gear – 1.00:1.

High Altitude Emission Equipment (NA6)

• Alternate emission equipment installed for vehicles operating at high altitudes.
• The high-altitude emission equipment was required for vehicle operation at +4,000 feet.

Tilt Telescopic Steering Column (N37)

• An optional, adjustable steering column and tilt-angle adjustable steering wheel.
• The Telescopic Steering Column changes the drivers distance from the steering wheel by literally telescoping the steering wheel closer to or further away from the vehicle operator.
• A new steering column positioned the steering wheel two inches closer to the instrument panel to provide more of an “arms out” driving position, and easier entry and exit.

White Letter Steel Belted Radial Tires, P255/60R15 (QBS)

• Standard size tires with special raised white lettering.

White Letter Steel Belted Radial Tires, P225/70R15 (QGR)

• Optional size tires with special raised white lettering.

Heavy Duty Battery (UA1)

• Optional, heavier-duty battery with increased cranking amps/capability.

AM-FM Radio, Stereo with 8-Track Tape (UM2)

• The standard/stock radio equipped with an 8-Track Tape Player.
• The radio received broadcast in FM 2-channel stereo, FM monaural, and AM monaural.
• Includes 8-track tape deck.

AM-FM Radio, Stereo with CB (UP6)

• The standard dealer installed stereo system equipped with a CB (citizen band) radio.
• The radio received broadcast in FM 2-channel stereo, FM monaural, and AM monaural.
• Full 40-channel Citizens Band radio.
• CB mike is stowed on the center console.

AM-FM Radio, Stereo (U58)

• A standard/stock dealer installed Corvette radio.
• The radio received broadcast in FM 2-channel stereo, FM monaural, and AM monaural.

AM-FM Radio (U69)

• A standard/stock dealer installed Corvette radio.
• The radio receives broadcast in FM monaural, and AM monaural.

Power Antenna (U75)

• A extendable/retractable antenna for the car stereo system.
• The antenna, which is located on the rear deck that retracts and extends when the radio or ignition is powered off and on respectively.
• The power antenna extends 31 inches.

Dual Rear Speakers (U81)

• Dual rear auxiliary speakers.

California Emission Certification (YF5)

• Provided higher emission restrictions to meet the California emission standards.

Aluminum Wheels (4) (YJ8)

• Included four aluminum wheels and a conventional steel spare.

Trailer Package (ZN1)

• Factory installed trailer package.
• The trailer package included the Gymkhana Suspension, a higher-amp alternator and a heavy-duty radiator.
• The hitch was the standard, factory installed hitch available in 1978
• The hitch could support approximately 100 pounds of tongue weight.

Convenience Group (ZX2)

• A group of convenience options available to consumers when purchasing a 1978 Corvette.
• The ZX2 Convenience Group included the dome light delay, headlight warning buzzer, underhood light, low fuel warning light, interior courtesy lights, and the passenger side visor mirror.

Notes

• New styling for the 1978 Corvette included a fastback roof line and a new wraparound rear glass which provided for greater visibility with 1,425 square inches of surface area compared with 293 square inches on the former model.
• Completely restyled interior with larger and more accessible rear storage area. The rear storage area included a retractable security cover.
• The wiper and washer control were moved from the steering column stalk to the instrument panel. Turn signal and headlight dimmer controls remained on the steering column.
• A new, one-piece, fully padded instrument panel with front-mounted cluster was introduced. It can be removed more easily for service. Printed circuit boards were used for improved reliability.
• The vehicle anti-theft alarm was extended to include activation when the roof panels are removed.
• Special “25th Anniversary” emblems and a special “25th Anniversary” two-tone paint option RPO B2Z.
• Featured an increased operating range with a 24-gallon fuel cell replacing the former 17 gallon unit. The new fuel cell featured a molded plastic inner liner in a steel container. Space for the larger cell was made available by the use and stowage of a new, lighter weight temporary spare tire.
• The three-speed automatic transmission used with the optional 5.7 litre engine was lighter weight and had a low inertia, high stall torque converter for increased performance.
• The rear axle ratio on cars equipped with both the high altitude (NA6) and California emissions (YF5) options was changed from 3.08 to 3.55:1 to give a better starting ratio during acceleration and better performance throughout the speed band.