You should be able to decode your vin and data tag with this: gl.
MA70 = Chassis Code with 7M bottom end
North American VIN codes:
JT2MA70 = MA70 Non-Turbo Trim Level (7M-GE Engine)
JT2MA71 = MA70 Turbo Trim Level (7M-GTE Engine)
JT2MA7xJ = Targa
JT2MA7xN = Targa
JT2MA7xL = Hardtop
JT2MA7xM = Hardtop
JT2MA7xxxG = 1986 Model
JT2MA7xxxH = 1987 Model
JT2MA7xxxJ = 1988 Model
JT2MA7xxxK = 1989 Model
JT2MA7xxxL = 1990 Model
JT2MA7xxxM = 1991 Model
JT2MA7xxxN = 1992 Model
North American Model Codes (On Data Tag):
MA70L-BJMVZA (Example Only)
MA70 = Chassis Code
L = Left Hand Drive
B = Supra Family
J = Targa Roof / L = Hardtop Roof
M = Manual Tranny / P = Auto Tranny
V = GT Grade
Z = 7M-GTE Engine / F = 7M-GE Engine
K = Canada Destination / A = United States Destination
North American Differential Codes:
G284 = 4.30:1 4-pinion 8.0" N/A Diff (no-LSD, USA Only)
G285 = 4.30:1 4-pinion 8.0" N/A Diff (with-LSD)
G315 = 3.91:1 4-pinion 8.0" pre-89 Turbo Diff (with-LSD)
G305 = 3.73:1 4-pinion 8.0" 89+ Turbo Diff (with-LSD)
Transmission Codes:
W58 = Non-Turbo Manual Transmission
R154 = Turbo Manual Transmission
A340E = Automatic Transmission
General Toyota Colour Code Rules:
0xx = Whites
1xx = Silvers/Greys
2xx = Blacks
3xx = Reds
4xx = Browns
5xx = Yellows
6xx = Greens
7xx = Teals
8xx = Blues
9xx = Purples/Others