GTO Data and ID Guide: 1964-1974. Pete Sessler
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Название: GTO Data and ID Guide: 1964-1974
Автор: Pete Sessler
Издательство: Ingram
Жанр: Автомобили и ПДД
isbn: 9781613254578
isbn:
Even if all of the numbers match on a particular car you are looking at, especially on one built before 1972, it would be to your advantage if the car is documented. All the better if the previous owner can provide you with the original invoice or window sticker, any service records, or the Protect-O-Plate.
The colors and interior trim listed in each chapter are correct as far as they go. However, Pontiac did build cars in color and trim combinations not listed. As with all the information listed here, be open to the possibility that exceptions can and do occur. It means that you’ll have to work harder to determine authenticity.
The front of the GTO used the same Pontiac grille, but the grille was blacked out. The black-out treatment gave the GTO a handsome measure of class. (Photo Courtesy Karl Lacker)
The following production figures were taken from GM production reports.
1964 Vehicle Identification Number
The vehicle identification number (VIN) was riveted on an aluminum plate and attached to the driver-side front-door hinge post. There was also a date stamp on the VIN tag indicating the date of delivery to the original owner. For 1964, the example of 82 4P100001 decodes to:
The big Pontiac 389-ci engine was available on the GTO, pumping out 348 hp with a 3×2 Tri-Power intake setup. A chromed single-snorkel air cleaner was standard on the 325-hp engine. (Photo Courtesy Karl Lacker)
| 8 | Number of cylinders |
| 2 | Model series (2 for LeMans) |
| 4 | Last digit of model year (4 for 1964) |
| P | Assembly plant (P for Pontiac, M for Kansas City, F for Freemont, B for Baltimore) |
| 100001 | Consecutive sequence number |
Because the 1964 GTO was an option on the Pontiac LeMans Series, there was no specific number or code to indicate a GTO. When production reached 100,000 at a particular plant, the consecutive sequence number continued with 200001. The consecutive sequence number was different for a GTO built at another plant. Also, as the VIN does not have a code for the original engine, it makes counterfeiting a GTO easier. General Motors did not include a code for the engine in the VIN until 1972, whereas Ford did from 1950 on and Chrysler did from 1966 on.
The block code for the 1964 GTO consisted of a three-character (and sometimes four-character) code of numbers and letters. Beneath the block code is the unit number, which in this case is the same as the consecutive sequence number and is taken from the vehicle’s VIN. The block code is located on the passenger’s side of the engine block below the cylinder head/deck.
The date code is also important. It is cast in the distributor pad and consists of three or four characters as follows: The first is a letter representing the month (A for January, B for February, C for March, D for April, E for May, F for June, G for July, H for August, I for September, J for October, K for November, L for December, M for December 1966 [1967 model only]). The second or third is a digit representing the month. The last is a digit representing the year. N or D represents the work shift when the block was cast, Night or Day. (Beginning in 1969, an additional two numbers represent the year; for example, 69 for 1969.)
Engine Block Codes
Compression ratio is 10.75:1 on all engines.
Cylinder Head Casting Numbers
The cylinder head codes were cast into the center exhaust port area. For 1964, a portion of the head part number was also cast on the left- and right-end ports.
| Cylinder Head | Casting Number |
| 389 ci all | 9770716 |
Carburetors
The part number for the 1964 Carter AFB 4-barrel carburetor was found on a metal tag mounted on the carburetor air horn. For the Tri-Power carbs, the number was stamped on a plate and mounted on one of the carburetor mounting screws.
Distributors
The 1964 distributors had the part number stamped and mounted around the distributor shaft.
| Ignition | Part Number |
| Conventional | 1111054 |
| Transistor | 1111057 |
Intake Manifolds
On 4-barrel engines, the part number is stamped or cast into an intake runner. On Tri-Power manifolds, it can be found on the center and rear intake runners.
| Engine | Part Number |
| 4-barrel | 9770274 |
| 3×2-barrel | 9775088 |
Exhaust Manifolds
The part number for the exhaust manifold is generally, but not always, found on the outer face of the manifold.
| Location | Part Number |
| Driver’s side |
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