$13,900

general specifications

vehicle options

Year:

  1978

rpo code description
1YZ87 Corvette Sport Coupe
A31 Power Windows
C49 Rear Window Defogger
C60 Air Conditioning
CC1 Removable Glass Roof Panels
D35 Sport Mirrors
J50 Power Brakes
K30 Cruise Control
L48 350ci Engine
MX1 Turbo Hydramatic Automatic Transmission
N37 Tilt-Telescopic Steering Column
N41 Power Steering
U69 AM-FM Radio
QRZ White Letter Tires
YJ8 Aluminum Wheels

 
exterior color code
13 Silver
interior color code
122 Oyster Leather

Make:   Chevrolet
Model:   Corvette Sport Coupe
Transmission:   Automatic (#'s Match)
Mileage:   59,935 (Actual)
Engine:   350 ci V8 (#'s Match)
VIN:   1Z87L8S427166
about the dealership
Seven Hills Motorcars is Cincinnati's premier Corvette specialist and a licensed and registered auto dealer by the State of Ohio.  With many years of focused experience we specialize in 1957 to 1982 Corvettes and other GM classics.  There is no other dealership that can better meet your needs if you would like to buy, sell, or just find out more information about your Corvette, Cadillac, Camaro, or Trans Am.  Founded in 2005, this is a very focused operation.  We do it because we enjoy it.  We are a collectors and enthusiasts; therefore we look for cars that excite us.  I do not purchase at dealer auctions; each car is hand picked because it is special or rare and because we like it. 
contact information
Seven Hills Motorcars, Inc.
9213 Blue Ash Rd
Cincinnati, OH 45242
sales@sevenhillsmotorcars.com

Contact a representative directly:
Matt: 513.708.1468 







vehicle description

 

 

Seven Hills Motorcars is proud to offer this beautiful completely numbers matching 1978 Corvette in excellent condition with only 59,935 actual miles. This Corvette looks fantastic, runs great, and is an excellent driver. It is totally solid with great lines and absolutely no rust issues. The brilliant Silver (13) exterior over Oyster Leather (122) interior is one of the most attractive and striking color combinations available for 1978. It is also the original color scheme as indicated by the trim tag pictured below. The low mileage is verified by not only by the condition of the car, but also the clear Ohio title, pictured below, showing the mileage as "Actual." Please peruse all of the photos, video, list of numbers, and other information below to get a true sense of clean, correct, and original this Corvette really is.

This Corvette is completely "Numbers Matching" and almost every part we checked on the car is correct. The last six digits of the VIN are stamped on the engine pad, which is pictured below, indicating that this is the original engine that was installed in the car at the factory in St. Louis. The transmission is also original with the last six digits of the VIN stamped on the main case and pictured below. All of the paint and trim codes are also correct for this Corvette.

As a side note, this Corvette is not a dealer auction vehicle.  We hand pick each car after careful inspection.  Our Corvettes come from owners who expect their car to go to someone that will give the vehicle the same care and attention as they did.  We invite and encourage you to examine the car in person or have the car inspected.  Please take the time to scrutinize each picture.  We photograph each vehicle to the greatest extent so you can feel confident about your purchase.  If you have a question about the Corvette, just give us a call.

 

model description

 


Chevrolet marked Corvette's 25th Anniversary in 1978 with the most extensive redesign of the car since the introduction of the C3 body style in 1968. The new Corvette introduced a large fastback style rear window that drastically increased luggage space in the rear compartment behind the seats. The interior of the 1978 was also significantly redesigned. The speedometer and tachometer were redesigned in a more square and vertical mode. A glove box was added on the passenger side to replace the pocket. The door panels were also completely new and included screw on arm rests to replace the molded style that been the standard since 1965. 1978 Corvettes featured special 25th Anniversary emblems specific to that year.

 

numbers

 


Please note when checking the numbers that not only do the correct stampings and casting numbers appear on the parts, but all of the dates are also chronologically correct. This means that all of the parts were made and assembled in the correct order. For example, all of the dates for the individual engine components and the engine casting date should obviously precede the assembly date of the engine because the parts had to be produced before they could be assembled. All of the parts I checked follow this rule and are dated correctly.

 
item number description*
VIN 1Z87L8S427166 The first digit, "1," indicated the Chevrolet division of GM.  The "Z" is the series, Corvette.  The "37" is the body style, 2-door sport coupe.  The fifth digit is the engine, "L," correct for an L48 car.  The sixth digit, "8," indicates the model year, 1978.  The "S" is the plant where the car was produced, St. Louis.  The last five digits are a sequence number so this is the 27,166th Corvette made for 1978.
Body Build Date I17 "I" corresponds to May, and the "17" is the seventeenth day of the month meaning this Corvette's body build date is May 17, 1978.
Engine Code V0504 "V" means the engine was build in the Flint, MI plant.  The "05" is the fifth month of year and the "04" is the fourth day of the month meaning the engine was assembled on May 4, 1978.  This is correct as it precedes the build date of the car.
Suffix Code CUT This means the motor was intended for an L48 Corvette with an automatic transmission, which is correct for this car.
Engine VIN Stamping 427166 The last 6 digits of the car's VIN, 427166, are stamped on the engine pad and pictured below meaning this engine is original to this car.
Engine Block Casting Number 3970010 The engine block has the correct 3970010 casting number a 1977 Corvette.
Engine Block Casting Date D 25 8 "D" is April, "25" is the twenty-fifth day of the month, and the "8" is the last digit of the calendar year so the engine block was cast on April 25, 1978.  Which is correct as it predates the assembly date of the engine.
Distributor 1103353 The distributor is original and correct with a 1103353 stamping.
Distributor Date Code 8D20 The "8" is the last digit of the calendar year, the "D" denotes April, and the "20" is the twentieth day of the month meaning the distributor was made on April 20, 1978.  This is correct as it predates the assembly date of the engine.
Intake Manifold Casting Number 346249 The intake manifold is correct for a 1978 Corvette with an L48 engine.
Intake Manifold Casting Date E 1 8 "E" is May, "1" is the first day of the month, and "8" is the last digit of the calendar year so the intake manifold was cast on May 1, 1978.  Which is correct as it predates the assembly date of the engine.
Carburetor Main Body 17058206 The original carburetor has the correct stamping for a 350ci L48 Corvette with an automatic transmission and a/c. The fourth digit, "5," means the carb was built in the 1976 - 1979 production run. The fifth digit, "8," means it was built for the 1978 model year. The six digit, "2," indicates that it is a 4BBL carb. The seventh digit, "0," means is was built for the Chevrolet division of GM. The last digit, "4," means it was intended for use in an automatic car such as this.
Carburetor Date Code 1298 The first three digits, "129," are the 129th day of the year and the last digit, "8," is the last digit of the calendar year so this carburetor was made on May 8, 1978.
Transmission Casting Number 8640300 The transmission has a 8640300 casting number, which is correct for a TH350 transmission in a 1978 Corvette.
Transmission Casting Date 4-78 24 The "4" is the fourth month of the year, the "78" is 1978, and the "24" is the twenty-fourth day of the month meaning the transmission case was cast on April 24, 1978.
Transmission VIN Stamp 427166 The last 6 digits of the car's VIN, 427166, are stamped on the main case of the transmission and pictured below meaning this transmission is original to this car.
Windshield JJ The first "J" is May and the second "J" is 1978 so this window is original, made in May of 1978. This is correct as it predates the build date of the car.
Passenger  Window GJ The "G" is April and the "J" is 1978 so this window is original, made in April of 1978. This is correct as it predates the build date of the car.
Rear Window LJ The "L" is March and the "J" is 1978 so this window is original, made in March of 1978. This is correct as it predates the build date of the car.

 *Most information obtained from Alan A. Colvin's Corvette by the Numbers and Mike Antonick's Corvette Black Book.  

 

condition

 
 

Exterior

The Silver exterior is in fantastic driver condition. As one can see in the photos, the paint has a dazzling gloss, deep shine, and smooth finish. Both doors open and shut nicely. The YJ8 aluminum wheels are in excellent condition with a brilliant finish and no curb rash. The previous owners said he recently replaced the tires and they have about 90% tread left. There are no major imperfections that have been intentionally excluded from the photos. There are some stone chips that have been touched up and other very small blemishes that were too faint to be picked up by the camera, but nothing that is really noticeable from about five or ten feet away. There are NO RUST ISSUES with this car and as one can see in the many photos of the underside it is very clean underneath. The frame is totally solid with no rust around the "key hole" area in front of the rear tire and there are no signs of corrosion around the windshield or "birdcage" area, which are the two most notorious areas for rust on a Corvette of this era.

The car looks just as good in person as it does in the photos.

Window Date Codes

Please note that almost of the glass on this Corvette, even the windshield, is date coded and original as each piece predates the car's body build date of May 17, 1978 (I17). Original glass is a good indication that this car has had no major accident history and never sustained significant damage.

 

Interior

The Oyster leather interior of the Corvette is in great original condition. The seats look in person just as they do in the photos with a small amount of expected wear for the age. Please note that these appear to be the original seats and skins, not some cheap aftermarket covers or replacements. The carpet is also in excellent condition with no rips or holes. This included the rear carpet, which is often neglected. The console and dash are in good condition with no fading, cracks, or sun damage. The original door panels are in nice shape overall. The door pulls are solid and intact. This car has not been smoked in and there no aroma of cigarettes whatsoever. The jack and jack handle are still present with the car and stowed correctly behind the passenger seat, pictured below showing the original stickers on the compartment lid. The original spare is also still with the car. Corvette interiors from this era are not known to wear well and the nice condition of this interior is a huge testament to the meticulous care this car has received throughout its life and another great verification of the low mileage.

The interior looks just as good in person as it does in the photos.


Mechanical

This Corvette is in great mechanical condition and it is ready to be enjoyed. The car starts right away every time, runs well, and idles well. It drives terrifically and it is smooth on the road and at highway speeds. In the video below one can observe the car accelerating on the highway up to about 70mph, braking to stoplight, going through some curves, and shifting through all the gears. Please note that there are no strange noises or vibrations and the car performs quite well overall. There is no blue smoke when starting or driving the car. The brakes are responsive and do not pull to one side or the other. The transmission shifts smoothly throughout the power band. This Corvette has plenty of power and is quite fast. Also, the engine compartment is beautifully clean, detailed, and correct as one can see in the photos, even the original ignition shielding and catalytic converter are still in place.

The wipers work as do all the exterior lights, interior lights, turn signals, indicators, and rear defogger. The entire vacuum system for the headlights works. Also, the headlights go up correctly with either the headlight switch on the dash or vacuum override switch. Their complete operation from both switches can be observed in the video. All of the gauges work with the obvious exception of the clock. The blower for the heater and a/c on all speeds but high. The a/c on this Corvette worked fine when we received it, but does not blow cold now so it probably needs some Freon added. One can observe the a/c compressor clicking on and engaging properly in the video below. The horn does not work and there is very slight sound of an exhaust leak on the right side. Not enough can be said as to how much of a pleasure it is to drive this car, especially with T-tops out on a beautiful day.

The car runs and drives as well as it looks.


Overall Condition

 

Overall, this 1978 Corvette is in great driver condition. Numbers matching is extremely important in Corvette pricing, especially with a low mileage car like this. The originality, the rare and desirable color combination, and the great extent to which the numbers match make this car especially important and hard to duplicate. This Corvette always gets a ton of attention driving down the road. It is apparent that the vehicle has been well taken care of by its previous owners. There is a key for the ignition and no key for the doors. We can provide a door key for the new owner for an additional $100. The prices of C3 Corvettes have increased drastically over the past several years. They are secure and wise investments for a collector. One could easily enjoy this vehicle for several years and sell it for more than the purchase price with minimal effort.

 

Thank you for looking and please do not hesitate to email or call with any questions.

 

vehicle video

 


For a ten minute video of the car including running, starting, walk around, function check, and test drive on the road and highway please visit:
https://youtu.be/SEIYTaVNzag .
 

vehicle pictures

Click here to view all full size photos




Seven Hills Motorcars, Inc. - 1978 Corvette
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 Please be sure to check our other auctions on eBay

 

worldwide shipping

  The vast majority of cars sold by Seven Hills Motorcars are shipped across the country or even across the world to their new owners.  Therefore, we are very familiar with the shipping process and glad to help our customers with it.  We are more than happy to assist in having your car transported to anywhere in world.  For our domestic customers in the United States we can handle the entire process in-house without the need or added expense for a shipping broker.  Please feel free to contact us for a shipping quote.

 

 



 

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