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1973 Super Duty Engine codes, ZJ=310 HP manual trans, XD=310 HP automatic

1974 Super Duty Engine codes, W8=290 HP manual trans, Y8=290 HP automatic

1975 5th digit in VIN is engine code. D=250, E=350, M=350, S=455 & W=455 CID

1980 Interior color, Oyster RPO code is 12R, 12N and 12C

1980 Engine code for turbo 301 is YL, 210 HP, VIN code T

1979 Second VIN digit X indicates 10th Anniversary Trans Am

1972 400 CID Engine codes. WK=200 HP, YS=200 HP, YX=175 HP, ZS=200 HP,ZX=175 HP

1970 Rear Axle, Posi codes: COF=3.08, COL=3.36, COT=3.07, COV=3.31, COX=3.55, CO Z=3.73, CRY=2.73

1970 Ram Air Engines codes: WS=400, RA III 345HP,YZ=, 400 RA III 345HP, WW=400 3 70HP, XP=400 370HP

1977 RPO, rare options: UN8= 23 channel CB Radio, UR1= Vacuum Guage, NA6= High A lt performance package, K05= Engine block heater

1978 RPO hatch roof options. WY9= hatch roof, Y82= SE TA black w/ hatch roof, Y8 4= SE TA gold w/ hatch roof

1974 Firebird RPO Interesting options: 504= Ram Air hood, 804= KPH Speedo, 541= CA emissions, 424= Rear Console

1981 Some paint code data: Cameo Whi.te=11, Stardust Silver=16, Starlight Black=1 9, Vibrant Blue=20, Baniff Blue=21

1979 FB & TA Engine Codes: A=231, W=301, Y=301, G=305, L=350, Z=400, K=403, R=35 0

1978 RPO SE TA Codes: y82=Black SE w/ hatch roof. y84=Gold SE w/ hatch roof

1974 RPO Transmission codes: 36B=3 spd manual, 36E=4 spd manual, 36K=m38 turbo h ydro, 36L=m40 turbo hydro

1974 Rear Axle Codes: CA=2.73 posi, CL=3.42, CM=3.42 posi, GX=3.08, GY=3.08 posi , GZ=2.73

1975 FB & TA Engine VIN Codes: D=250, E=350, M=350, S=400, W=455

1970 Firebird formula, factory price when new $4305

1973 Firebird Esprit total production 17,249

1973 Firebird with six cylinder, total production 1370

1972 Trans Am production figures: (1286 total) 458 4-speeds, and 828 automatics

1971 Trans Am, factory price when new $4594.00, total production 2116

1971 Rear Axle Codes/Radio: CA=2.73 posi,CB=4.10 posi,CG=3.73 posi,CJ=3.42 posi, CK=3.42 non,GX=3.08 non,GY=3.08 posi,GZ=2.73 non

1970 Body tag style numbers: 22387 Firebird, 22487 Esprit hardtop, 22687 Formula , 22887 Trans Am

1970 Axle Posi codes: COF 3.08, COL 3.36, COT 3.07, COV 3.31, COX 3.55, COZ 3.73 , CRY 2.73

1971 Turbo hydromatic codes for the TH400: PQ, PR, PT, PW, PX, PY (stamped on ta g on trans)

1971 RPO Code for AM radio w/ windshield antenna U63, AM/FM w/ windshield antenn a U69, AM/FM stereo U58

1972 RPO codes for formula handling package Y99, 455 HO LS5, 455 L75.