1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

1.gen 83,84 or 85? Please help.

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Old 06-11-02, 09:34 AM
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Question 1.gen 83,84 or 85? Please help.

I have this VIN:

-J MZ FB 13 1 2 0 O 665959-

J - it is Japan
MZ - it is Mazda
FB - it is serie of 1. gen
13 - body style code
1 - idetification code
2 - ???
0 - ???
O - Hiroshima
665959 - S.N.

How year I have??????

Thanks
Old 06-11-02, 09:48 AM
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Driven a turbo FB lately?

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Dunno about there but here it goes like this:

JM1=Mazda Passenger Car

FB=Rx-7 1st generation series

33=Coupe

1=1146cc 12A
2=1308cc 13B

*=Check didgit

B=1981
C=1982
D=1983
E=1984
F=1985

0 = Hiroshima Plant

######= Serial Number
Old 06-11-02, 10:14 AM
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I can has a Hemi? Yes...

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In the United States, we incorporated a 17 digit VIN Number sequence in 1980. The 10th digit is the year.

A=80
B=81
C=82
D=83
E=84
F=85

and so on.


FOUND THIS:Understanding VIN

A car’s vehicle identification number (VIN) is the identifying code for your SPECIFIC automobile. It is your car's fingerprint.

It sets their vehicles apart from the millions of vehicles out there. Recently the VIN is reflected by 17 digit characters. It displays a car’s uniqueness and manufacturer and provides a method to trace your car from the factory to the junk yard. Your VIN can be used to track recalls, registrations, warranty claims, thefts and insurance coverage. If you want to know the history of your car visit our car vehicle identification number (VIN) service - CarFax.

Common locations of the vehicle identification number (VIN) vary but the following are places to look:

Firewall of the vehicle
Left hand inner wheel arch
Steering column
Radiator Support Bracket
Dash by windshield
Drivers door or post on passenger side
Guarantee & Maintenance Book *Vehicle documents
Machined Pad on front of engine
Component parts as listed above -eg- engine, frame, etc.
Later model years - most common area's of VIN:

Left instrumentation/dash plate by window
Drivers door or post
Firewall

Detail Of The Vehicle Identification Numbers
Each character or digit has a particular purpose.

They are as follows:

1 G 1 J F 2 7 W 8 G J 1 7 8 2 2 7
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17


Country Manufactured
Manufacturer
Vehicle Type
Vehicle Features
Accuracy Check Digit
Model Year
Production Plant
Sequential Number
The first character vehicle identification number (VIN) serial number identifies the country from which the vehicle was manufactured.


First vehicle identification number digit: U.S.A.(1 or 4), Canada (2), Mexico (3), Japan (J), Korea (K), England (S), Germany (W), Italy (Z)


Second vehicle identification number digit specifies the manufacturer. Audi (A), BMW (B), Buick (4), Cadillac (6), Chevrolet (1), Chrysler (C), Dodge (B), Ford (F), GM Canada (7), General Motors (G), Honda (H), Jaguar (A), Lincoln (L), Mercedes Benz (D), Mercury (M), Nissan (N), Oldsmobile (3), Pontiac (2 or 5), Plymouth (P), Saturn (8), Toyota (T), Volvo (V).


Third vehicle identification number digit indicates the vehicle type or manufacturing division.


Fourth through eighth vehicle identification number digit reveals the vehicle features such as body style, engine type, model, series, etc.


The ninth vehicle identification number digit is a VIN accuracy check digit, verifying the previous VIN numbers. This is how the check digit works


STEP 1
Assign to each number in the VIN its actual mathematical value and assign to each letter the value specified for it in the following chart:
ASSIGNED VALUES:
A=1 G=7 P=7 X=7
B=2 H=8 R=9 Y=8
C=3 J=1 S=2 Z=9
D=4 K=2 T=3
E=5 M=3 U=4
F=6 N=4 V=5


STEP 2
Multiply the assigned value for each character in the VIN by the position weight factor specified in the following chart:
VIN POSITION AND WEIGHT FACTOR:
1st = 8 10th = 9
2nd = 7 11th = 8
3rd = 6 12th = 7
4th = 5 13th = 6
5th = 4 14th = 5
6th = 3 15th = 4
7th = 2 16th = 3
8th = 10 17th = 2
9th = check digit


STEP 3
Add the products from steps 1 and 2 and divide the total by 11.

STEP 4
The numerical remainder is the check digit which would appear in the 9th position in the VIN. If the remainder is 10, then the letter "X" is used for the check digit.


Tenth vehicle identification number digit tells the model year. 1988 (J), 1989 (K), 1990 (L), 1991 (M), 1992 (N), 1993 (P), 1994 (R), 1995 (S), 1996 (T), 199 7(V), 1998 (W), 1999 (X), 2000 (Y)------2001(1), 2002 (2), 2003 (3)


Eleventh vehicle identification number digit reveals the assembly plant for the vehicle.


The twelfth to seventeenth vehicle identification number digits indicate the sequence of the vehicle for production as it rolled of the manufacturers assembly line.


Vehicle Identification Number - VIN Numbers
Copyright © 1999-2002
Old 06-11-02, 01:26 PM
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Rotary Freak

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This might be an easy way to tell - 84/85 have a three spoke steering wheel, where as the 83 had either a two or four spoke wheel. The 83 has the tach in the center, and the 84/85 have it off to the left of the speedometer. To determine between an 84 or 85, use the suggestions above to "decode" the VIN.
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