Alright Gordon found this online might be of use according to this info the Australian is looking for a J on the vin :::
Anatomy of a Porsche 944 Chassis Number
[font=arial,helvetica][size=+2](VIN number)[/size]
The chassis number (or world manufacturers code) is embossed in the engine compartment firewall and is also found on the A-pillar in front of the driver. This 17 character system was used starting in 1981. Each character (or grouping) is explained using this example, taken from
a 1988 Porsche 944 Turbo S.
[font=arial,helvetica][size=-1]Vehicle/Chassis Identification Number[/size]
[font=arial,helvetica][size=+3]WPOAA295XJN26[/size]2728291248[/size]
[font=arial,helvetica]WPO
[font=arial,helvetica][size=-1]Designates a Porsche in the world manufacturer code (aka VIN, Vehicle Identification Number)[/size]
[font=arial,helvetica]AA2
[font=arial,helvetica][size=-1]US vehicle specification code (VDS code). Rest of world denoted as ZZZ (blanks)[/size]
[font=arial,helvetica][size=-1]Char. 1: body type (A = coupe)[/size]
[font=arial,helvetica][size=-1]Char. 2: engine type (A=2 liter US)[/size]
[font=arial,helvetica][size=-1]Char. 3: occupant safety system (0=belts only, 1 = dr. airbag, 2 = dr&pass. airbag)[/size]
[font=arial,helvetica]95
[font=arial,helvetica][size=-1]First 2 digits of vehicle type designation:[/size]
[font=arial,helvetica][size=-1](see below for 3rd digit)[/size]
[font=arial,helvetica][size=-1]For example:[/size]
[font=arial,helvetica][size=-1]92 = 924[/size]
[font=arial,helvetica][size=-1]94 = 944[/size]
[font=arial,helvetica][size=-1]95 = 951 (944 Turbo)[/size]
[font=arial,helvetica]X
[font=arial,helvetica][size=-1]Test code or filling character[/size]
[font=arial,helvetica]J
[font=arial,helvetica][size=-1]Model year code[/size]
[font=arial,helvetica][size=-1]B = 1981, C = 1982, ......J = 1988 ....etc....[/size]
[font=arial,helvetica]N
[font=arial,helvetica][size=-1]Production location (N = Neckarsulm, S = Stuttgart)[/size]
[font=arial,helvetica]117[/size]118
[font=arial,helvetica][size=-1]3rd digit from vehicle type designation (see above for 1st two digits)[/size]
[font=arial,helvetica]125126
Body/engine code (or incorporated into serial number?)
[font=arial,helvetica]1248
[font=arial,helvetica][size=-1]Serial number[/size]
Information obtained from
- "Original Porsche 924/944/968" by Peter Morgan
- "Parts & Technical Reference Catalog, Water-Cooled Models [thru 1988]", PNA 000 147 A, © PCNA 1999
- "944 Turbo S Technical Service Information", WKD 495 021, © Dr-Ing. h.c.F. Porsche.
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