To learn more about decoding Protect-O-Plate tags place your mouse over a section for detailed information or refer to the chart below.

1969 Camaro Protect o Plate Example

Loc.
Description
Explanation
1
Vehicle Identification Number
This code represent the vehicles individual identification number. For complete information on the decoding of VIN tags please refer to the VIN tag decoding section.
2
Carburetor Source Code
This code indicates the manufacturer of the carburetor supplied at the factory for the vehicles engine.
B= Bay City
C= Carter
H= Holley
R= Rochester
3
Engine Production Number
This code indicates the manufacturing plant, month, day and type of engine the vehicle was equipped with form the factory. Please refer to the engine part ID section for complete engine decoding and suffix code information.
4
Rear Axle ID Number
This code indicates the vehicles axle type and ratio, month, day and plant of manufacture. Please refer tot eh axle decoding section for complete decoding information and available axle codes.
5
Vehicle Build Month
This code indicates the vehicle build month. This code will not always reflect the same code indicated on the vehicles firewall trim tag.
8= August, 1968
9= September, 1968
0= October, 1968
N= November, 1968
D= December, 1968
1= January, 1969
2= February, 1969
3= March, 1969
4= April, 1969
5= May, 1969
6= June, 1969
7= July, 1969
6
Transmission ID Number
This code indicates the type of transmission installed in the vehicle as well as the build year, month and day of the month it was assembled.
Examples:

For Manual Transmissions.
P8E23= P- Muncie 4-Speed, 8- 1968, E- May, 23- 23rd day of the month.

For Turbo Hydromatic Transmissions.

68C298= 68- 1968, C- 396cid 8cyl, 298- 276th day of the 1968 calendar year.

Transmission Source Code
3- Speed

S= Saginaw
D= Saginaw 3-Speed
M= Muncie
K= McKinnon Industries
4- Speed
K= McKinnon Industries
R= Saginaw
P= Muncie
Torque Drive
 A= Cleveland
Powerglide
C= Cleveland
T= Toledo
E= McKinnon Industries
TH350

B= Cleveland
Y= Toledo
X= Cleveland

Calendar Month
A= January
B= February
C= March
D= April
E= May
H= June
K= July
M= August
P= September
R= October
S= November
T= December
7
Power Steering Option
A code located in this position indicates that the vehicle was equipped with power steering.
1= RPO N40 Power Steering
8
Power Brake Option
A code located in this position indicates that the vehicle was equipped with power brakes.
1= RPO J50 Power Assisted Brakes.
9
Radio Code
3= Indicates the that the vehicle was equipped with a radio.
10
Disc Brake Option
3= RPO J52 Disc Brakes
11
Air Conditioning
1= RPO C60 Air Conditioning.
4= RPO C75 Comfortron.
12
Power Window Option
3= RPO A31 Power Electric Windows
13
Power Seat Option
Not available on the Camaro Model line and will be left black.
14
Chevrolet Trade Mark
15
Dealer Supplied Info
This area will in most cases have the name and address of the first purchasing owner of the vehicle and will be applied by the dealership when the vehicle is sold. In some cases it has been found that later dealers when reselling this vehicle s a used car will replace the name with the new owner but from what we have seen so far this is not a common practice.