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Gs 455 Stage 1 Convertible One Of 232 on 2040-cars

Year:1970 Mileage:135000

Clovis, California, United States

Clovis, California, United States


This auction is for a 1970 Buick GS 455 STAGE 1 Convertible. In 1970 there were only 232 Stage 1 convertibles produced so this is a very very rare car.


I am listing this car for a good friend. It has been in his family since purchased new.


I will start with the history of this car, and then a detailed description.


This GS was purchased new by my friends Uncle(Willard) in Florida in 1970. He had a small sail boat so that is when the trailer hitch was installed.


In 1981 he gave the car to his daughter (Deanna)who lives in Oklahoma. The car was stored in a Barn and rarely used.


In 1985 the car was then given to my friends Dad(Robert) who lives in Las Vegas. He had a new Convertible top installed and had the interior redone as it is today(ugly but totally 90ís). He had the engine and transmission rebuilt in 1995.


In 1998 he gave the car to his son, my friend (Bob). Who lived in Wyoming at the time.


 In 2005 Bob moved to California and the car was driven and stored outside in the coastal town of Shell Beach.


The car has been driven less that 10K miles since motor and trans rebuild, and less than 3000 miles since 2003(most of that was the drive to California).



 Please read the following description:


Engine: When I was asked to help sell the car, I knew how rare and valuable this special car was and that having the original numbers matching STAGE 1 motor was going to be a big plus. After some research on where to find the Veh ID# to confirm the engine originality we looked and found nothing. No numbers, no code stampings.  We contacted Bobís dad who had the engine rebuilt in 1995 and he confirms he witnessed the engine work and it is the original block. Of course no one knows what went on in the first few years of this carís life. Perhaps the engine blew, perhaps the dealer installed a replacement block(since there are NO #ís present). Over the years the original Distributer was replaced and we do not have it, and the quadrajet Carb was replaced. There is a carb is a box that is suppose to be the original one(?) WE are being as honest as we can and if anyone knows of a way to prove or dis-prove that this is a Stage 1 engine (short of pulling a head) please let me know.


Transmission:   According to the research I have done this GS is still equipped with the Original STAGE 1 special Turbo 400 CODE BB (see pic)


 Rear End: As far as I can tell, it still has its original Posi rear end which should have 3.42 gears for cars with AC


Mechanics: This car starts, runs and stops great. Seems very quick for a car this heavy and will chip the tires when shifting to second gear. Exhaust system replaced in 2000. Does not run hot or leak anything. AC is there but not functioning. Gauges work(no tach) but here is a ground problem because gauges peg when dash light come on.


Body /Frame: Overall car is solid. Frame just has surface rust. Must have been in a fender bender in past because front bumper is slightly tweaked and headlight surrounds look like that have been replaced. There is some rust starting around rear wheel wells and very slight bubbling on the bottom of rear quarter panels. Bottom of front fenders solid. Trunk floor will need replacing. Car was repainted original color in 1979 and is in poor shape.

There are 4 small holed in the trunk lid for a rack that goes with the car(see pic). Car has been sitting outside in a coastal town and the sea air has done it damage.


Accessories:  Power top work fine. No radio in dash, but there are 2 radios that go with car. All lights work. Has front power disc brakes, power steering, tilt wheel.  




Wheels and tires:  Still has all 5 original 15Ē Rally wheels. However 2 were damaged in the past and the car has 2 replacements on it now purchased from a wrecking yard (see pic)Tires are fair.


Interior: My friends Dad had the interior re done in 1992 in the pattern you see in the pictures. (What can I say?)Carpet is original and poor in shape. Dash is not cracked but weathered. Interiors on convertible car lead  hard lives and this one shows it.


Glass: Windshield not cracked but has a chip. Good glass back window on top. Door and quarter glass operate fine but missing trim piece on one side.


Convertible Top: Top was replaced in 1992 and in good shape but need cleaning.



Conclusion: Some say because of only 232 being produced, the 1970 Buick GS455 STAGE 1 Convertible is one of the most desirable Buicks. This is a running driving project car that deserves to be restored. I know that without a matching Vin# (or any vin#)there leaves some question about authenticity. I will be happy to take any pictures that you may request  to help with your evaluation of this car


If you are seriously interested, please feel free to give me a phone call with any questions you may have. You can reach me at




I have the Car at my home in Clovis, California zip 93611 near Fresno


 I require a $500 nonrefundable deposit and balance must be paid within seven



Car is sold as is- where is , any and all shipping costs are the responsibility of the new owner.

On Aug-03-14 at 14:32:07 PDT, seller added the following information:

 UPDATED INFORMATION;  receiving lot of questions and here is what I have determined

checked transmission and the Vehicle ID number is present which means this is an documented Stage 1 car with its original trans

checked # on original carburetor and it is the original correct # and date code for car.

thank you Buick experts !


On Aug-03-14 at 18:04:19 PDT, seller added the following information:

 FYI   as to the missing Veh ID # and engine code on block.   It was suggested that when the engine was rebuilt, while the block was re-surfaced these numbers could have been removed.

This could be a real possibility, but we will never be able to know for sure.. Hope this helps

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