1. 1966 VIN Plate is located on the left front door hinge pillar. It is between the upper and lower hinge.
EXAMPLE VIN NUMBER: 242076G100001
VIN NUMBER BREAKDOWN:
2=Division(Pontiac)
42=Series Number(GTO)
07=Body Style(2-dr Sedan-Post)
6=Year(1966)
G=Assembly Plant(G=Framingham,MA)
100001=Production Numbers
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2. 1966 Data Plate or Body Tag is located on the left hand front of the firewall, in the engine compartment.
EXAMPLE DATA PLATE:
GENERAL MOTORS CORP.
09D
STYLE 66-24217
PON 1234 BODY
TRIM 223
V V PAINT
0-0-00-00
BODY BY FISHER
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DATA PLATE BREAKDOWN:
09D=Time Built Code(September,4th week)
STYLE=Model Year(66)-Division(2=Pontiac)-Series(42=GTO)-Body Style(17=Hardtop,2-dr)
PON=Assembly Plant(P=Pontiac,MI)
BODY=Body Number(1234)
TRIM=Trim Code(223=Black Interior)
PAINT=V V(Lower & Upper Body Colors,V=Mission Beige)
0-0-00-00=Accessories Code
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Body Style Number
- 07=2-dr Sedan(post)
- 17=2-dr Hardtop
- 67=2-dr Convertible
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Series Number
- 33=Tempest
- 35=Tempest Custom
- 37=Tempest Le Mans
- 42=GTO
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Assembly Plants
1966 VIN Codes
- B=Baltimore,MD
- G=Framingham,MA
- K=Kansas City,MO
- P=Pontiac,MI
- Z=Fremont,CA
1966 Data Plate Codes
- BAL=Baltimore,MD
- BF=Fremont,CA
- FRA=Framingham,MA
- KAN=Kansas City,MO
- PON=Pontiac,MI
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Trim Codes
- 219=Dark Blue
- 220=Dark Turquoise
- 221=Fawn
- 222=Medium Red
- 223=Black
- 224=Parchment
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Accessory Codes
- If there are accessory codes on the data plate, these codes primarily identified equipment or options installed. Some codes only identify option and not specific equipment.
- The accessory codes are made up of a number (except 1) and followed by one or more letters. The number in front of the code identifies which group the accessory belongs to.
- 5 groups make up the codes for example:
- (1st Group) W = tinted glass/windshield, etc.
- (2nd Group) L = 4-speed floor shift, etc.
- (3rd Group) B = rear window defogger, etc.
- (4th Group) F = remote mirror, etc.
- (5th Group) Y = custom seat belts (1966-1967), etc.
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Paint Codes/Body Color
- A=Starlight Black-w/pinstripe colors
- B=Blue Charcoal
- C=Cameo Ivory-w/pinstripe colors
- D=Fontaine Blue Metallic
- E=Nightwatch Blue
- H=Palmetto Green Metallic
- K=Reef Turquoise Metallic
- L=Marina Turquoise Metallic
- N=Burgundy
- P=Barrier Blue
- R=Montero Red-w/pinstripe colors
- T=Martinique Bronze Metallic
- V=Mission Beige
- W=Platinum
- Y=Candlelite Cream
Vinyl Top
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Engine Identification: Identify the engine installed by the two letter engine code stamped
on the front of the block, on the surface below the right cylinder head.
| 1966 GTO Engine Letter Code | Cubic Inch Displacement | Horsepower | Transmission |
| WS |
389 |
360 |
Man |
| WT |
389 |
335 |
Man |
| WV |
389 |
360 |
Man |
| WW |
389 |
335 |
Man |
| XE |
389 |
335 |
Auto |
| XS |
389 |
360 |
Man |
| YR |
389 |
360 |
Auto |
| YS |
389 |
335 |
Auto |
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GTO VIN 64
