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| − | '''GM Build Codes'''
| + | *AG7 6-Way Power Seat |
| − | | + | *AK1 Custom Deluxe Seat Belts |
| − | These GM build sheet numbers decode as follows:
| + | *AL5 Deluxe Rear Center Seat Belt, '67 |
| − | | + | *AN7 Strato-Bucket Seats, swing out |
| − | *AG7 6 way Power Seat | + | *Al3 Power Door Locks |
| − | *AK1 Custom Deluxe Seat Belts | + | *Al6 Power Tailgate Release |
| − | *AL5 Deluxe Rear Center Seat Belt '67. | + | *AO1 Soft Ray Tinted Glass, all windows |
| − | *AN7 Strato-Bucket Seats, Swing out! | + | *AO2 Tinted Glass, windshield only |
| − | *Al3 Power Door Locks | + | *AQ2 Electric Seat Back Lock Release, '71 |
| − | *Al6 Power Tailgate Release | + | *AQ5 Electric Seat Back Lock Release, '70 |
| − | *AO1 Soft Ray Tinted Glass, all windows. | + | *AS1 Shoulder Harness, '67+ |
| − | *AO2 Tinted Glass, windshield only. | + | *AS4 Deluxe Rear Seat Shoulder Harness, '68+ |
| − | *AQ2 Electric Seat Back Lock Release, '71 | + | *AS5 Standar Rear Seat Shoulder Harness, '68+ |
| − | *AQ5 Electric Seat Back Lock Release, '70 | + | *AT8 Reclining Passenger Seat |
| − | *AS1 Shoulder Harness, '67+ | + | *AU1 Electric Door Locks, '70+ |
| − | *AS4 Deluxe Rear Seat Shoulder Harness, '68+ | + | *AU3 Power Door Locks |
| − | *AS5 Standar Rear Seat Shoulder Harness, '68+ | + | *AV3 3 Point Seat Belts (from 1972 build sheet) |
| − | *AT8 Reclining Passenger Seat | + | *A20 Custom Seat Belts, '64 |
| − | *AU1 Electric Door Locks, '70+ | + | *A20 Swing Out Rear Windows, Laguna |
| − | *AU3 Power Door Locks | + | *A31 Power Windows |
| − | *AV3 3 Point Seat Belts (from 1972 Build sheet) | + | *A33 Power Tailgate Window |
| − | *A20 Custom seat belts, '64 | + | *A39 Custom Deluxe Front and Rear Seat Belts, '66+ |
| − | *A20 Swing Out rear windows, Laguna | + | *A37 Seat Belt Equipment, '64 only |
| − | *A31 Power Windows | + | *A41 Power Front Seat, 4-way |
| − | *A33 Power Tailgate Window | + | *A42 Power Seat, 6-way |
| − | *A39 Custom Deluxe front and rear Seat Belts, 66+ | + | *A41 Power Bucket Seat, 4-way |
| − | *A37 Seat Belt Equipment, '64 only. | + | *A46 Power Drivers Bucket Seat, '66+ |
| − | *A41 Power Front Seat, 4-way | + | *A47 Custom Deluxe Seat Belts |
| − | *A42 Power Seat, 6 way | + | *A49 Custom Deluxe Seat Belts, w/retractors |
| − | *A41 Power Bucket Seat, 4 way. | + | *A51 Front Bucket Seats, Astro |
| − | *A46 Power Drivers Bucket Seat, 66+ | + | *A52 Front Bench Seat |
| − | *A47 Custom Deluxe Seat Belts. | + | *A62 Seat Belt Delete |
| − | *A49 Custom Deluxe Seat Belts, w/retractors | + | *A64 Custom Deluxe Rear Seat Belts, '65 |
| − | *A51 Front Bucket Seats, Astro | + | *A65 Split Front Seat with Arm Rest |
| − | *A52 Front Bench Seat | + | *A66 Split Second Seat |
| − | *A62 Seat Belt Delete | + | *A68 Standard Rear Center Seat Belt, '67 |
| − | *A64 Custom Deluxe Rear Seat Belts, '65. | + | *A81 Head Rest, Bucket Seats |
| − | *A65 Split Front Seat w/arm Rest | + | *A82 Head Rest, Bench Seat |
| − | *A66 Split Second Seat | + | *A85 Deluxe Shoulder Harness, '66 1/2+ |
| − | *A68 Standard Rear Center Seat Belt. '67. | + | *A90 Electric Trunk Opener |
| − | *A81 Head Rest, Bucket Seats | + | |
| − | *A82 Head Rest, Bench Seat | + | |
| − | *A85 Deluxe Shoulder Harness, '66 1/2 + | + | |
| − | *A90 Electric Trunk Opener | + | |
| | *A93 Vacuum Door Locks, '69 | | *A93 Vacuum Door Locks, '69 |
| | | | |
| | | | |
| − | *BO1 Police Body Equipment, '64-65. | + | *BO1 Police Body Equipment, '64-'65 |
| − | *BO2 Taxi!! '64-65. | + | *BO2 Taxi, '64-'65 |
| − | *BW2 Deluxe Body Side Molding | + | *BW2 Deluxe Body Side Molding |
| − | *BX4 Body Side Molding | + | *BX4 Body Side Molding |
| − | *BX8 Full Body moldings | + | *BX8 Full Body Moldings |
| − | *BW1 Delete tailgate ornamentation. | + | *BW1 Delete Tailgate Ornamentation |
| − | *B2H Interim Equipment Change | + | *B2H Interim Equipment Change |
| − | *B2M No power steering. | + | *B2M No Power Steering |
| − | *B22 Door trim pad emblem " SS " | + | *B22 Door Trim Pad Emblem "SS" |
| − | *B37 Colored floor mats | + | *B37 Colored Floor Mats |
| − | *B44 Removable Load floor carpet | + | *B44 Removable Load Floor Carpet |
| − | *B55 Deluxe Front Seat Cushion, '67+ | + | *B55 Deluxe Front Seat Cushion, '67+ |
| − | *B70 Padded Dash '64-65. | + | *B70 Padded Dash '64-'65 |
| − | *B75 lining lug compartment, '69 | + | *B75 Lining Lug Compartment, '69 |
| − | *B80 Roof Drip molding | + | *B80 Roof Drip Molding |
| − | *B81 Delete tailgate molding. This would delete the horizontal trim strips on the tailgate of a '70-'72 El Camino or GMC Sprint. | + | *B81 Delete Tailgate Molding, this would delete the horizontal trim strips on the tailgate of a '70-'72 El Camino or GMC Sprint |
| − | *B84 Body Side Molding | + | *B84 Body Side Molding |
| − | *B85 Beltline Reveal Molding | + | *B85 Beltline Reveal Molding |
| − | *B90 Door Window frame moldings | + | *B90 Door Window Frame Moldings |
| − | *B93 Door edge guards | + | *B93 Door Edge Guards |
| − | *B94 "GMC" tailgate emblem ('71-'72 GMC Sprint only). | + | *B94 "GMC" Tailgate Emblem, '71-'72 GMC Sprint only |
| − | *B95 Rear end panel moulding, '69 | + | *B95 Rear End Panel Molding, '69 |
| − | *B96 Wheel well moldings | + | *B96 Wheel Well Moldings |
| − | *CA1 Power Roof
| + | |
| − | *CB1 Vinyl Roof, Touring
| + | |
| − | *CB7 Vinyl Roof cover.
| + | |
| − | *CD2 Windshield Washer Level Control, '70+
| + | |
| − | *CD3 Electro-tip Wipers, '70+
| + | |
| − | *CE1 Headlight Washers
| + | |
| − | *CO5 Convertible Top, Manual.
| + | |
| − | *CO6 Convertible Top, Power
| + | |
| − | *CO8 Vinyl Roof, full
| + | |
| − | *CO9 Padded Vinyl roof
| + | |
| − | *C14 Two Speed Wipers, '64.
| + | |
| − | *C24 Special Windshield Wipers
| + | |
| − | *C48 Heater Delete
| + | |
| − | *C49 Electro Clear defogger
| + | |
| − | *C50 Rear window defogger
| + | |
| − | *C51 rear window air deflector
| + | |
| − | *C56 = I/P side vent /70 Upper Level Vent / Astro Ventilation
| + | |
| − | *C60 Air Conditioning, 4 seasons.
| + | |
| − | *C65 Air Conditioning, Deluxe version.
| + | |
| | | | |
| | | | |
| − | *D24 Litter container | + | *CA1 Power Roof |
| − | *D33 Remote Control mirror | + | *CB1 Vinyl Roof, Touring |
| − | *D34 Vanity visor mirror | + | *CB7 Vinyl Roof Cover |
| − | *D35 Sports mirrors | + | *CD2 Windshield Washer Level Control, '70+ |
| − | *D55 Console
| + | *CD3 Electro-tip Wipers, '70+ |
| − | *D64 Illuminated Visor Mirror
| + | *CE1 Headlight Washers |
| − | *D68 Twin Remote Sport Mirrors
| + | *CO5 Convertible Top, Manual |
| − | *D80 Spoilers
| + | *CO6 Convertible Top, Power |
| − | *D88 Sport Stripe, '70+
| + | *CO8 Vinyl Roof, full |
| − | *D91 Conquista package | + | *CO9 Padded Vinyl Roof |
| − | *D96 Wide Paint Stripes, * '67+ refer's to body side accent stripe
| + | *C14 Two Speed Wipers, '64 |
| − | *D99 Two Tone Paint Moldings | + | *C24 Special Windshield Wipers |
| − | *FE8 Radial Tuned Suspension | + | *C48 Heater Delete |
| − | *F40 Sport suspension | + | *C49 Electro Clear Defogger |
| − | *F41 Sport Front and Rear Suspension, '69+ | + | *C50 Rear Window Defogger |
| − | *GS1 2.73 Ratio Axle (from 1972 Build Sheet) | + | *C51 Rear Window Air Deflector |
| − | *GY2 *3.31 ratio axle ('71-'72 Chevelle / El Camino / GMC Sprint). | + | *C56 I/P Side Vent /70 Upper Level Vent / Astro Ventilation |
| − | *G11 2.56 Rear Axle | + | *C60 Air Conditioning, 4 seasons |
| − | *G66 Air Shocks, rear. | + | *C65 Air Conditioning, deluxe version |
| − | *G67 Controller for Air Shocks. | + | |
| − | *G75 3.70 rear | + | |
| − | *G76 3.36 rear axle ratio
| + | |
| − | *G80 Positraction rear
| + | |
| − | *G82 4.56 Rear axle
| + | |
| − | *G84 4.10 Rear axle | + | |
| − | *G92 Performance rear 3.08 | + | |
| − | *G94 3.31 rear | + | |
| − | *G95 Economy rear 2.73
| + | |
| − | *G96 3.55 rear
| + | |
| − | *G97 2.73 Rear ratio
| + | |
| − | *GW5 273 Ratio Axle
| + | |
| − | *HO1 3.07 rear
| + | |
| − | *HO5 3.73 rear axle ratio
| + | |
| − | *J50 Power brakes
| + | |
| − | *J52 Front Disc Brakes, '67+
| + | |
| − | *J65 Metallic Brake linings | + | |
| − | *JL2 Front Disc Brakes, '70+
| + | |
| − | *JL8 ('69 only) 4-wheel disc brakes
| + | |
| | | | |
| | | | |
| − | *KD5 Heavy Duty PCV System | + | *D24 Litter Container |
| − | *KO2 Clutch Fan | + | *D33 Remote Control Mirror |
| − | *KO5 Engine Block Heater
| + | *D34 Vanity Visor Mirror |
| − | *K19 AIR , smog pump, '66+
| + | *D35 Sports Mirrors |
| − | *K24 Closed Engine Ventilation, PCV.
| + | *D55 Console |
| − | *K30 Cruise Control
| + | *D64 Illuminated Visor Mirror |
| − | *K66 Transistor Ignition. | + | *D68 Twin Remote Sport Mirrors |
| − | *K72 Emission Control Delete | + | *D80 Spoilers |
| − | *K75 Emission Control Delete | + | *D88 Sport Stripe, '70+ |
| − | *K76 61 amp alternator | + | *D91 Conquista Package |
| − | *K77 55 amp alternator | + | *D96 Wide Paint Stripes, '67+ refers to body side accent stripe |
| − | *K79 42 amp | + | *D99 Two Tone Paint Moldings |
| − | *K81 62 amp | + | |
| − | *K85 63 amp
| + | |
| − | *L14* Refers to: = 307 CID STD V8 (from 72 Chevelle)
| + | |
| − | *L22 Six Cylinder 250
| + | |
| − | *L26 230-140hp
| + | |
| − | *L30 327-275 Hp
| + | |
| − | *L34 396-350 Hp
| + | |
| − | *L35 396-325 Hp
| + | |
| − | *L48 350-300hp, '69+
| + | |
| − | *L61 230 cid
| + | |
| − | *L65 350-250hp, '69+
| + | |
| − | *L72 427-425hp Yenko, '69
| + | |
| − | *L73 327-250hp, '68
| + | |
| − | *L74 327 300hp
| + | |
| − | *L77 4 barrel carb, 283-220 hp
| + | |
| − | *L78 396-375 Hp
| + | |
| − | *L79 327-350 Hp
| + | |
| − | *L89 396-375hp, Aluminum Heads
| + | |
| − | *LF6 400-255hp 2 bbl, '70 (Monte Carlo)
| + | |
| − | *LM1 350-255hp, '69
| + | |
| − | *LS3 400-330hp, '70+
| + | |
| − | *LS4 454-235hp | + | |
| − | *LS3 402-300hp in'71...240hp in '72 | + | |
| − | *LS5 454-365hp in '71...270hp in '72 - LS5 (also 360 HP in '70).
| + | |
| − | *LS6 454-450hp, '70
| + | |
| − | *LT4 400-180hp
| + | |
| − | *L65 350-145 2 barrel
| + | |
| − | *L90 Six cylinder
| + | |
| − | *MO1 Heavy Duty Clutch
| + | |
| − | *MC1 Heavy Duty 3 spd Transmission
| + | |
| − | *M10 Overdrive
| + | |
| − | *M11 Floor Shift Transmission, '71+
| + | |
| − | *M13 Heavy Duty Transmission | + | |
| − | *M20 4 spd standard transmission.
| + | |
| − | *M21 4 spd close ratio
| + | |
| − | *M22 4 spd, Heavy Duty
| + | |
| − | *M35 Powerglide automatic, 2 speed.
| + | |
| − | *M38 Turbo 350 automatic
| + | |
| − | *M40 Turbo 400 automatic
| + | |
| − | *M55 Transmission Cooler
| + | |
| | | | |
| | | | |
| − | *NA9 Evaporative Emission Controls | + | *FE8 Radial Tuned Suspension |
| − | *NB2 Refers to:: EXH EMISSION (from 72) | + | *F40 Sport Suspension |
| − | *NC8 Chambered Exhaust System | + | *F41 Sport Front and Rear Suspension, '69+ |
| − | *NK1 Cushioned Steering Wheel
| + | |
| − | *NK2 Custom Steering Wheel, '71+
| + | |
| − | *NK4 Sport Steering Wheel, '71+
| + | |
| − | *N10 Dual Exhaust
| + | |
| − | *N30 Deluxe Steering Wheel, '67+
| + | |
| − | *N31 Custom Steering wheel
| + | |
| − | *N33 Tilt steering
| + | |
| − | *N34 Wood grained steering wheel
| + | |
| − | *N40 Power Steering
| + | |
| − | *N41 Power steering
| + | |
| − | *N65 Space saving spare
| + | |
| − | *N95 Wire Wheel covers
| + | |
| − | *N96 Simulated Magn. Hubcaps
| + | |
| | | | |
| | | | |
| − | *P19 Spare tire lock | + | *GS1 2.73 Ratio Axle (from 1972 build sheet) |
| − | *P58 7.14.4 Whitewalls
| + | *GY2 3.31 Ratio Axle, '71-'72 Chevelle / El Camino / GMC Sprint |
| − | *P61 7.75-14 W/W | + | *G11 2.56 Rear Axle |
| − | *P62 7.75-14.4 W/W
| + | *G66 Air Shocks, rear |
| − | *P67 6.95-14 w/w | + | *G67 Controller for Air Shocks |
| − | *P77 8.25-14 w/w | + | *G75 3.70 Rear Axle |
| − | *P90 G70-15 White Stripe
| + | *G76 3.36 Rear Axle |
| − | *P91 G70-15 Red Stripe
| + | *G80 Positraction Rear |
| − | *PA2 Simulated Wire Wheels, 2nd style, '68+
| + | *G82 4.56 Rear Axle |
| − | *PA3 Deluxe Wheel covers | + | *G84 4.10 Rear Axle |
| − | *PE1 Turbine 1 wheels | + | *G92 Performance Rear 3.08 |
| − | *PE2 Turbine 2 wheels | + | *G93 2.73 Rear Axle ('73 Olds build) |
| − | *PK2 G78-14 w/w | + | *G94 3.31 Rear Axle |
| − | *PK4 G70-14 Red Stripe | + | *G95 Economy Rear 2.73 |
| − | *PL3 E78-14 White Stripe
| + | *G96 3.55 Rear |
| − | *PL4 F70-14 F70-14 White Stripe
| + | *G97 2.73 Rear Axle |
| − | *PL5 F70-14 White Letters
| + | *GW5 273 Rear Axle |
| − | *PM6 G78-14 White Stripe
| + | |
| − | *PM7 F60-15 White letters, SS models. (also Sprint SP models).
| + | |
| − | *PN5 7.75-14 8 ply tires | + | |
| − | *PO1 Wheel Trim Cover | + | |
| − | *PO2 Simulated Wire Wheels, 14"
| + | |
| − | *PO6 Wheel Trim Rings
| + | |
| − | *PQ7 8.25-14 w/w tires
| + | |
| − | *PR3 8.25-14 8 ply w/w | + | |
| − | *PU8 G78-15 White Stripe
| + | |
| − | *PL2 E78X14 B/WALL
| + | |
| − | *PW7 F70-14 White Stripe
| + | |
| − | *PW8 F70-14 Red Stripe Tires
| + | |
| − | *PX5 F78X14 Black Wall Belted (70)
| + | |
| − | *PX6 F78-14 w/w | + | |
| − | *PX8 G70-14 w/w | + | |
| − | *PX9 G70-14 Dual White Stripes
| + | |
| − | *PY4 F70-14 w/w
| + | |
| − | *PY5 F70-14 Red Stripe
| + | |
| − | *PY7 G70-14 Red Stripe
| + | |
| − | *QDR GR78-15 radial whitewalls
| + | |
| − | *QEH E78-14 bias White Stripe
| + | |
| − | *QEL HR78-15 Radial white stripe
| + | |
| − | *QGF G70-14 Bias White stripe
| + | |
| − | *QGK G78-14
| + | |
| − | *QGL G78-14 bias white stripe
| + | |
| − | *QHE H78-14 Bias
| + | |
| − | *QHF H78-14 Bias white stripe
| + | |
| − | *QQZ HR70-15 radial whitewall
| + | |
| − | *QRM GR70-15 radial whitewall
| + | |
| − | *QRN GR70-15 Radials
| + | |
| − | *QRV HR70-15 Radials
| + | |
| − | *QRZ GR70-15 Radial White Letter
| + | |
| − | *TO7 7.75-14 W/W tires | + | |
| − | *T15 7.75-15 8 Ply tires | + | |
| − | *T58 Rear wheel skirts, wow. (Monte Carlo) | + | |
| − | *T60 Heavy Duty Battery
| + | |
| | | | |
| | | | |
| − | *UA1 Heavy Duty Battery | + | *HO1 3.07 Rear Axle |
| − | *UM1 AM radio with tape, '70+
| + | *HO5 3.73 Rear Axle |
| − | *UM2 AM/FM with tape
| + | |
| − | *UO3 Low note horn, D.
| + | |
| − | *UO5 Dual horns | + | |
| − | *UF1= Mirror Lamp (available in '70-'72).
| + | |
| − | *UF7 Econominder Gauge package
| + | |
| − | *U14 Instrumentation package
| + | |
| − | *U15 Speed Warning Indicator, '67+
| + | |
| − | *U16 Tachometer
| + | |
| − | *U17 Cluster INST (Oil coolent,AMM, Clock, Gas, Tach)
| + | |
| − | *U18 Export Speedometer
| + | |
| − | *U25 Trunk Light
| + | |
| − | *U26 Underhood Light
| + | |
| − | *U27 Glove box Light
| + | |
| − | *U28 Ash Tray Light
| + | |
| − | *U29 Instrument Panel Courtesy Lighting
| + | |
| − | *U35 Clock
| + | |
| − | *U46 Lamp Monitoring Equipment
| + | |
| − | *U57 8 Track Tape Player
| + | |
| − | *U58 AM/FM
| + | |
| − | *U60 Manual radio
| + | |
| − | *U63 Basic old AM radio
| + | |
| − | *U69 AM/FM radio with buttons.
| + | |
| − | *U73 Manual Rear Antenna
| + | |
| − | *U75 Power Rear Antenna
| + | |
| − | *U76 Antenna in windshield
| + | |
| − | *U79 Stereo Equipment
| + | |
| − | *U80 Rear Speaker
| + | |
| | | | |
| | | | |
| − | *VE5 Deluxe bumper strips | + | *J50 Power brakes |
| − | *VO1 Heavy Duty Radiator | + | *J52 Front Disc Brakes, '67+ |
| − | *VO2 Heavy Duty Radiator, '64
| + | *J65 Metallic Brake Linings |
| − | *V30 Bumper Guards. Full set. -Front only bumper guards on El Camino / GMC Sprint. (El Camino / GMC Sprint never came with rear bumper guards). | + | *JL2 Front Disc Brakes, '70+ |
| − | *V31 Front Bumper Guards, '64-70 | + | *JL8 4-Wheel Disc Brakes, '69 only |
| − | *V32 Rear Bumper Guards, '64-70 | + | |
| − | *V55 Roof Rack
| + | |
| − | *V74 Hazard Warning Equipment, '66.
| + | |
| − | *V75 Traction Dispenser set-up.
| + | |
| | | | |
| | + | *KD5 Heavy Duty PCV System |
| | + | *KO2 Clutch Fan |
| | + | *KO5 Engine Block Heater |
| | + | *K19 Air, Smog Pump, '66+ |
| | + | *K24 Closed Engine Ventilation, PCV |
| | + | *K30 Cruise Control |
| | + | *K66 Transistor Ignition |
| | + | *K72 Emission Control Delete |
| | + | *K75 Emission Control Delete |
| | + | *K76 61 Amp Alternator |
| | + | *K77 55 Amp Alternator |
| | + | *K79 42 Amp Alternator |
| | + | *K81 62 Amp Alternator |
| | + | *K85 63 Amp Alternator |
| | | | |
| − | *W84 Additional fuel for delivery
| |
| | | | |
| | | | |
| − | *X11 Style Trim for base car or SS | + | *L14 Refers to: 307 CID STD V8 (from '72 Chevelle) |
| − | *X22 Style Trim for SS with 396 | + | *L22 6-Cylinder 250 |
| − | *X33 Style Trim for Z/28 or RS with Z/28 option | + | *L26 230-140 Hp |
| − | *X44 Base Car | + | *L30 327-275 Hp |
| − | *X55 Base SS with 350 | + | *L34 396-350 Hp |
| − | *X66 Base SS with 396 | + | *L35 396-325 Hp |
| − | *X77 '69 Z-28 camaro Norwood OH cars only | + | *L48 350-300 Hp, '69+ |
| | + | *L61 230 cid |
| | + | *L65 350-250 Hp, '69+ |
| | + | *L72 427-425 Hp Yenko, '69 |
| | + | *L73 327-250 Hp, '68 |
| | + | *L74 327 300 Hp |
| | + | *L77 4 Barrel Carb, 283-220 Hp |
| | + | *L78 396-375 Hp |
| | + | *L79 327-350 Hp |
| | + | *L89 396-375 Hp Aluminum Heads |
| | + | *LB4 262 (4.3 liter) TBI v6, 145 fwhp |
| | + | *LF6 400-255 Hp, 2 bbl, '70 (Monte Carlo) |
| | + | *LM1 350-255 Hp, '69 |
| | + | *L03 305 (5.0 liter) TBI v8, 170 fwhp |
| | + | *L05 350 (5.7) TBI v8, 190-210 fwhp 1988-1996 |
| | + | *LS3 400-330 Hp, '70+ |
| | + | *LS4 454-235 Hp |
| | + | *LS3 402-300 Hp in '71, 240 Hp in '72 |
| | + | *LS5 454-365 Hp in '71, 270 Hp in '72 - LS5 (also 360 HP in '70). |
| | + | *LS6 454-450 Hp, '70 |
| | + | *LT-1 350- up to 350 (gross) fwhp early 1970s |
| | + | *LT1 350-260 fwhp B/D cars '94-'96; 275-285 fwhp Fcars '93-'97; 300 fwhp Ycar 1992-1996 |
| | + | *LT-4 400-180 Hp early/mid 1970s 400 sbc |
| | + | *LT4 350-340 fwhp optional on '96 Ycar, and limited '97 Fcar. Larger intake runner head, manifold |
| | + | *L65 350-145 2 Barrel |
| | + | *L-82 350 190 fwhp, last of carburated Ycar engines |
| | + | *L-83 350 200-205 fwhp, '82 & '84 Ycar, Crossfire injection (dual TBI fed enclosed tuned port runner) |
| | + | *L90 6-Cylinder |
| | + | *L98 350 (5.7 liter) v8, 230-250 fwhp 1985-1992, TPI (tuned port injection) intake manifold |
| | | | |
| | | | |
| − | *YB5 General Processing Option (beats me?) | + | *MO1 Heavy Duty Clutch |
| − | *YD1 Trailoring Axle | + | *MC1 Heavy Duty 3-speed Transmission |
| − | *YE7 *Special Performance "SP" package ('71-'72 GMC Sprint). . | + | *M10 Overdrive |
| − | *YF3 The Heavy Chevy Package | + | *M11 Floor Shift Transmission, '71+ |
| − | *YF5 Emission Tested | + | *M13 Heavy Duty Transmission |
| − | *YJ9 Exterior dress 'emup package | + | *M20 4-Speed Standard Transmission |
| | + | *M21 4-Speed Close Ratio |
| | + | *M22 4-Speed Heavy Duty |
| | + | *M31 Torque Converter 2-Speed (Used for 1964 Lemans - Believed to be for the 2 Speed Super Turbine / ST-300 Automatic Transmission) |
| | + | *M35 Powerglide Automatic 2-Speed |
| | + | *M38 Turbo 350 Automatic |
| | + | *M40 Turbo 400 Automatic |
| | + | *M55 Transmission Cooler |
| | | | |
| | | | |
| − | *Z10 has something to do with a special hardtop pace car | + | *NA9 Evaporative Emission Controls |
| − | *Z11 ('69 only) Indy pace car accents | + | *NB2 Refers to: EXH EMISSION (from '72) |
| − | *Z21 Style trim group | + | *NC8 Chambered Exhaust System |
| − | *Z22 Rally Sport | + | *NK1 Cushioned Steering Wheel |
| − | *Z23 Special interior package
| + | *NK2 Custom Steering Wheel, '71+ |
| − | *Z27 SS equipment
| + | *NK4 Sport Steering Wheel, '71+ |
| − | *Z28 Special performance package
| + | *N10 Dual Exhaust |
| − | *Z87 Custom Interior group | + | *N30 Deluxe Steering Wheel, '67+ |
| − | *ZO1 Comfort and Convenience Group, '64-65.
| + | *N31 Custom Steering Wheel |
| − | *ZO2 Pushbutton Radio and extra speaker, '64. | + | *N33 Tilt Steering |
| − | *ZO4 Heavy Duty Chassis, '64-65.
| + | *N34 Wood-Grained Steering Wheel |
| − | *ZO8 Body Molding/Trim
| + | *N40 Power Steering |
| − | *ZJ7 Ralley Wheels
| + | *N41 Power Steering |
| − | *ZJ9 Auxiliary lighting group
| + | *N65 Space-Saving Spare |
| − | *ZJ6 Special Sport Sedan, '68+
| + | *N95 Wire Wheel Covers |
| − | *ZJ7 Steering Wheel Deluxe Trim | + | *N96 Simulated Mag Hubcaps |
| − | *ZJ9 Auxiliary Lighting Group | + | *N97 15" diameter heavy duty police package wheels |
| − | *ZK3 Deluxe Seat Belts, and Front Shoulder Harness, '68+
| + | |
| − | *ZK5 Concours Sedan, '68 | + | |
| − | *ZK6, 7 Concours Sport Coupe, '68 | + | |
| − | *ZK8 - Refers toTire Pressure Label, '70 | + | |
| − | *ZKQ - tire pressure sticker | + | |
| − | *ZL2 Special Hood, Cowl Induction, '70+ | + | |
| − | *ZL3 SS 396 CONVER-- | + | |
| − | *ZO9 Performance Rear Axle, '70+ | + | |
| − | *Z10 Pace car coupe | + | |
| − | *Z11 Indy pace car convertible | + | |
| − | *ZP2 *Trim & color override. This was for cars that had an exterior/interior color or trim combination that was not normally available. This code is listed on the build sheet for a '71 GMC Sprint that was "Classic Copper" with a "Dark Saddle" interior - a color combination not normally available.
| + | |
| − | *ZR3 Refers to: = Off road package 454(LS7 & LT2) 69*
| + | |
| − | *Z02 refers to: **SPEC PAINT** (from 72 tag)
| + | |
| − | *ZP5 *Appearance guard group.
| + | |
| − | *ZW4 *Std Trans 3spd (70)
| + | |
| − | *Z13 Comfort and Convenience Group, second style, '64-65.
| + | |
| − | *Z14* Refers to: = A/C BODY CONV (info from 72 Chevelle)
| + | |
| − | *Z15 SS equipment. (454 in '70)
| + | |
| − | *Z16 Special Sport Coupe - 65 Chevelle
| + | |
| − | *Z19 Convenience Group, '66.
| + | |
| − | *Z20 Monte Carlo SS 454
| + | |
| − | *Z25 Super Sport Option, '69+
| + | |
| − | *Z29 Vinyl Stripe
| + | |
| − | *Z49 Canadian Base Equipment
| + | |
| − | *Z57 Vinyl Coated Trim
| + | |
| − | *Z83 Road Hazard Package, '66.
| + | |
| − | *Z95 Regular Fuel Engine Equipment
| + | |
| − | *W=tinted windshield
| + | |
| − | *X=power windows
| + | |
| − | *L=folddown seat
| + | |
| − | *D=power top
| + | |
| − | *E=All glass tinted
| + | |
| − | *M=powerglide
| + | |
| − | *G=center console
| + | |
| − | *L=4 speed manual
| + | |
| − | *F=A/C
| + | |
| − | *B=3 speed manual on floor
| + | |
| − | *S=rear antenna
| + | |
| − | *U=8 track multiplex
| + | |
| − | *R=rear speaker
| + | |
| − | *S= Z-23 interior
| + | |
| − | *L= Z-22 (RS)
| + | |
| − | *K= Z-21 style trim
| + | |
| − | *B= rear window defroster
| + | |
| − | *D=clock and/or gages
| + | |
| − | *Engine codes
| + | |
| − | *SS350= P
| + | |
| − | *SS396/325hp= N
| + | |
| − | *SS396/375hp= K
| + | |
| | | | |
| | | | |
| − | ==Body==
| + | *P19 Spare Tire Lock |
| − | *VIN: The Vehicle Identification Number of your car. | + | *P58 7.14.4 Whitewalls |
| − | *From '53 to '60, it is in the driver's side door jamb. | + | *P61 7.75-14 W/W |
| − | *From '60 to '62, it is on the steering column in the engine compartment. | + | *P62 7.75-14.4 W/W |
| − | *From '63 to '67, it is under the glove box. | + | *P67 6.95-14 W/W |
| − | *From '68 to '03, it is in the driver's side windshield pillar. | + | *P77 8.25-14 W/W |
| | + | *P90 G70-15 White Stripe |
| | + | *P91 G70-15 Red Stripe |
| | + | *PA2 Simulated Wire Wheels, 2nd style, '68+ |
| | + | *PA3 Deluxe Wheel Covers |
| | + | *PE1 Turbine 1 Wheels |
| | + | *PE2 Turbine 2 Wheels |
| | + | *PK2 G78-14 W/W |
| | + | *PK4 G70-14 Red Stripe |
| | + | *PL3 E78-14 White Stripe |
| | + | *PL4 F70-14 F70-14 White Stripe |
| | + | *PL5 F70-14 White Letters |
| | + | *PM6 G78-14 White Stripe |
| | + | *PM7 F60-15 White Letters, SS models and Sprint SP models |
| | + | *PN5 7.75-14 8-Ply Tires |
| | + | *PO1 Wheel Trim Cover |
| | + | *PO2 Simulated Wire Wheels, 14" |
| | + | *PO3 stainless wheel covers |
| | + | *PO6 Wheel Trim Rings |
| | + | *PQ7 8.25-14 W/W Tires |
| | + | *PR3 8.25-14 8-Ply W/W |
| | + | *PU8 G78-15 White Stripe |
| | + | *PL2 E78X14 B/WALL |
| | + | *PW7 F70-14 White Stripe |
| | + | *PW8 F70-14 Red Stripe Tires |
| | + | *PX5 F78X14 Black Wall Belted (70) |
| | + | *PX6 F78-14 W/W |
| | + | *PX8 G70-14 W/W |
| | + | *PX9 G70-14 Dual White Stripes |
| | + | *PY4 F70-14 W/W |
| | + | *PY5 F70-14 Red Stripe |
| | + | *PY7 G70-14 Red Stripe |
| | + | *QDR GR78-15 Radial Whitewalls |
| | + | *QEH E78-14 Bias White Stripe |
| | + | *QEL HR78-15 Radial White Stripe |
| | + | *QGF G70-14 Bias White Stripe |
| | + | *QGL G78-14 Bias White Stripe |
| | + | *QHE H78-14 Bias |
| | + | *QHF H78-14 Bias White Stripe |
| | + | *QQZ HR70-15 Radial Whitewall |
| | + | *QRM GR70-15 Radial Whitewall |
| | + | *QRN GR70-15 Radials |
| | + | *QRV HR70-15 Radials |
| | + | *QRZ GR70-15 Radial White Letter |
| | + | *TO7 7.75-14 W/W Tires |
| | + | *T15 7.75-15 8-Ply Tires |
| | + | *T58 Rear Wheel Skirts, Monte Carlo |
| | + | *T60 Heavy Duty Battery |
| | | | |
| − | *Window Glass date codes: Each window has its own as part of the marking.
| |
| | | | |
| | + | *UA1 Heavy Duty Battery |
| | + | *UM1 AM Radio with Tape, '70+ |
| | + | *UM2 AM/FM with Tape |
| | + | *UO3 Low Note Horn, D |
| | + | *UO5 Dual Horns |
| | + | *UF1 Mirror Lamp, available in '70-'72 |
| | + | *UF7 Econominder Gauge Package |
| | + | *U11 Certified Speedometer instrument cluster, police and special service package |
| | + | *U14 Instrumentation Package |
| | + | *U15 Speed Warning Indicator, '67+ |
| | + | *U16 Tachometer |
| | + | *U17 Cluster Instruments, (oil coolant, ammeter, clock, fuel, tachometer) |
| | + | *U18 Export Speedometer |
| | + | *U25 Trunk Light |
| | + | *U26 Underhood Light |
| | + | *U27 Glove box Light |
| | + | *U28 Ash Tray Light |
| | + | *U29 Instrument Panel Courtesy Lighting |
| | + | *U35 Clock |
| | + | *U46 Lamp Monitoring Equipment |
| | + | *U57 8 Track Tape Player |
| | + | *U58 AM/FM |
| | + | *U60 Manual Radio |
| | + | *U63 Basic Old AM Radio |
| | + | *U69 AM/FM Radio with Buttons |
| | + | *U73 Manual Rear Antenna |
| | + | *U75 Power Rear Antenna |
| | + | *U76 Antenna in Windshield |
| | + | *U79 Stereo Equipment |
| | + | *U80 Rear Speaker |
| | | | |
| − | ==Engine==
| |
| − | *Casting Number: The part number cast into the block when made.
| |
| − | *Casting Date: The date of the casting of the block.
| |
| − | *Partial VIN: Stamped on the engine pad located in front of the right head. An engine identifier is also stamped here.
| |
| − | *Alternator/Generator
| |
| − | *Part Number Stamped on top with date and amperage rating.
| |
| − | *Date Code Stamped on top along with amperage rating and part number.
| |
| − | *Water Pump
| |
| − | *Casting Number
| |
| − | *Casting Date Code Cast on front of the pump.
| |
| − | *Radiator
| |
| − | *Part Number Stamped in aluminum, embossed in copper.
| |
| − | *Date Code Stamped in Aluminum.
| |
| − | *Distributor
| |
| − | *Part number Stamped in aluminum housings and embossed on a tag on iron units.
| |
| − | *Date Code Same as Part Number
| |
| − | *Carburetor
| |
| − | *Date Code Either on brass tag or stamped in air horn or body, depending on the carb.
| |
| − | *Part Number Either on brass tag or stamped into air horn or body, depending on the carb.
| |
| − | *Fuel Injection '57-'65
| |
| − | *Part Number Stamped on a metal tag on the left front of the plenum.
| |
| − | *Date Code
| |
| − | *Serial Number Stamped on side of Plenum for the first hundred or so in 1957 and then were stamped on the metal tag. The serial number does not have to correspond to the car's serial number.
| |
| − | *Heads
| |
| − | *Casting Number Usually cast on top under rocker arms.
| |
| − | *Date Code Usually cast on top under rocker arms.
| |
| | | | |
| | + | *VE5 Deluxe Bumper Strips |
| | + | *VO1 Heavy Duty Radiator |
| | + | *VO2 Heavy Duty Radiator, '64 |
| | + | *V30 Bumper Guards, full set (front only bumper guards on El Camino / GMC Sprint) |
| | + | *V31 Front Bumper Guards, '64-'70 |
| | + | *V32 Rear Bumper Guards, '64-'70 |
| | + | *V55 Roof Rack |
| | + | *V74 Hazard Warning Equipment, '66 |
| | + | *V75 Traction Dispenser Set-Up |
| | | | |
| − | ==Bellhousing==
| + | *WX3 merchandised trim package, '94-'96 Impala SS |
| − | *Casting Number: The part number cast into the right side near starter. | + | *W84 Additional Fuel for Delivery |
| − | ''Transmission''
| + | |
| − | *Casting Number Part Number cast into the case and tailshaft when made. | + | |
| − | *Date code Usually the casting date is in the body but this is the case date. The assembly date is stamped in as part of identifier code.
| + | |
| − | ''Partial VIN'' Stamped along top of mounting ear in some, along joint of main case, or on a raised pad in the main body (newer T-10).
| + | |
| | | | |
| | | | |
| − | ==Rearend==
| + | *X11 Style Trim for Base Car or SS |
| − | *Date code Cast in drivers side of housing for the case of '63-'79. In straight axle '53 to '62 Corvettes, the identifier is stamped on the front right side. In the IRS, the assembly date is stamped in identifier on the bottom flange. | + | *X22 Style Trim for SS with 396 |
| − | *Gear ratio Stamped in bottom flange as part of identifier as a letter code, such as AW.
| + | *X33 Style Trim for Z/28 or RS with Z/28 Option |
| | + | *X44 Base Car |
| | + | *X55 Base SS with 350 |
| | + | *X66 Base SS with 396 |
| | + | *X77 '69 Z-28 Camaro, (Norwood, Ohio cars only) |
| | | | |
| | | | |
| − | ==Casting Numbers==
| + | |
| − | *When a part is cast, the mold has a part number and a date code set so that it is part of the mold and the part is forever identified. Most older Corvette parts such as heads, blocks, and manifolds, usually have a 7 digit casting number beginning with 3 to identify the part. | + | *YD1 Trailoring Axle |
| − | | + | *YE7 Special Performance "SP" Package, '71-'72 GMC Sprint |
| − | *Engine Block: On most blocks, the casting number is located on the bellhousing flange behind the driver's side head. The casting number does not usually correspond to any engine part number as the engine part number is for the assembly, not the casting. | + | *YF3 The Heavy Chevy Package |
| − | | + | *YF5 Emission Tested |
| − | *Cylinder Heads: The casting number is usually in the area under the rocker arms. Years of baked oil may fill the numbers to make them hard to read. On some heads, partial numbers were found on the intake runners on the block side, such as the 461 and 462 heads.
| + | *YJ9 Exterior Dress-Up Package |
| − | | + | |
| − | *Intake Manifolds: Usually on the rear runner on top.
| + | |
| − | | + | |
| − | *Exhaust Manifolds: Usually on the outside of the manifold. Small block Ram Horn manifolds usually have this on your left as you view them. The big block manifolds are down the side.
| + | |
| − | | + | |
| − | *Transmission Casting: The numbers are on both the main body and the tailshaft housing, usually on the right side.
| + | |
| − | | + | |
| − | *Rear End: The casting number is located on the right side near the prop shaft.
| + | |
| − | | + | |
| − | *Water Pump: The casting number is on the front of the body.
| + | |
| − | | + | |
| − | *Date Codes and Where Are They?
| + | |
| − | | + | |
| − | *Almost every mechanical part made for a Corvette has a date code, either cast or stamped into it. These simply identify when the part was made. To the factory, this date probably made sure that they didn't leave any stock laying on the shelf too long, although if you have ever watched any factory production line run, it is doubtful if anyone ever reads the dates. The purpose of the date to Chevrolet was probably to ensure a means to track any defects should they arise. If a part dated March 3 and one dated March 21 were both defective, attention could be paid to those parts built between those dates for other possible defects. Today, these are used to determine if the part is correct for that Corvette, as an engine with a date code of D 16 5 (April 16, 1965) could not be correct for a '63 Corvette as the engine was made after the car was made. Parts too early are usually not correct either, as they would have been installed on an earlier vehicle, such as a B 23 3 (Feb. 23, 1963) in a '67 Corvette. NCRS provides a window of 6 months on date codes prior to the build date of the car. Obviously, a part on a car could not have been made AFTER the car was made._ But given how new items were constantly loaded on shelves, with existing items being shoved further back each time, a part could sit for many months before being assembled on a car. Usually, the parts were used within a few days or weeks but there are many documented original cars that have parts several months old. Be sure to notice that some parts have both a casting and a stamped date code. These can be several days apart. The stamped date code is when the part was assembled and should be the one considered.
| + | |
| − | | + | |
| − | *Engine Block: The date code on a SBC is typically on the bellhousing flange behind the distributor. On early big blocks, it was on the passenger side near the pan rail, but later (1970) moved up to the same location as the SBC. Usually the date is given as a letter, a number and then a number, such as B 23 3 which is for February 23, 1963. With any engine still having ignition shielding on, you have a very hard time to see the date. A good flashlight and a wire brush to clean any dirt are a must, even with the shielding removed. | + | |
| − | | + | |
| − | *Cylinder Heads: The date code is located on top under the rocker arms. You must remove the valve covers to see them. Often lead deposits in old engines have filled the numbers and letters so they are hard to read. Often the rockers are in the way. | + | |
| − | | + | |
| − | *Intake Manifold: The small block usually has the date on the driver's side rear runner. The date is typically below the casting part number. The firing order (18436572) is usually cast on the front runner so do not confuse it with the part number. Some big block intakes have the date cast under the intake so that you must have the intake off the engine to see it._ | + | |
| − | | + | |
| − | | + | |
| − | *Exhaust Manifolds: Usually on the outside of the manifold. Small block Ram Horn manifolds usually have this on your left as you view them. The big block manifolds are down the side.
| + | |
| − | | + | |
| − | *Transmission Casting: The numbers are on both the main body and the tailshaft housing, usually on the right side.
| + | |
| | | | |
| − | *Rear End: The casting number is located on the right side near the prop shaft.
| |
| | | | |
| − | *Water Pump: The casting number is on the front of the body. | + | *Z10 Special Hardtop Pace Car |
| | + | *Z11 Indy Pace Car Accents , '69 only |
| | + | *Z21 Style Trim Group |
| | + | *Z22 Rally Sport |
| | + | *Z23 Special Interior Package |
| | + | *Z27 SS Equipment |
| | + | *Z28 Special Performance Package |
| | + | *Z87 Custom Interior Group |
| | + | *ZO1 Comfort and Convenience Group, '64-'65 |
| | + | *ZO2 Pushbutton Radio and Extra Speaker, '64 |
| | + | *ZO4 Heavy Duty Chassis, '64-'65. |
| | + | *ZO8 Body Molding/Trim |
| | + | *ZJ7 Rally Wheels |
| | + | *ZJ9 Auxiliary Lighting Group |
| | + | *ZJ6 Special Sport Sedan, '68+ |
| | + | *ZJ7 Steering Wheel Deluxe Trim |
| | + | *ZJ9 Auxiliary Lighting Group |
| | + | *ZK3 Deluxe Seat Belts, and Front Shoulder Harness, '68+ |
| | + | *ZK5 Concours Sedan, '68 |
| | + | *ZK6, 7 Concours Sport Coupe, '68 |
| | + | *ZK8 Refers to Tire Pressure Label, '70 |
| | + | *ZKQ Tire Pressure Sticker |
| | + | *ZL2 Special Hood, Cowl Induction, '70+ |
| | + | *ZL3 SS 396 Convertible |
| | + | *ZO9 Performance Rear Axle, '70+ |
| | + | *Z10 Pace Car Coupe |
| | + | *Z11 Indy Pace Car Convertible |
| | + | *ZP2 Trim and Color Override (for cars that had an exterior/interior color or trim combination that was not normally available) |
| | + | *ZR3 Off Road Package 454 (LS7 & LT2), '69 |
| | + | *Z02 Spec Paint (from 72 tag) |
| | + | *ZP5 Appearance Guard Group |
| | + | *ZW4 Standard 3-Speed Transmission, '70 |
| | + | *Z13 Comfort and Convenience Group, second style, '64-'65. |
| | + | *Z14 A/C BODY CONV (info from 72 Chevelle) |
| | + | *Z15 SS Equipment, (454 in '70) |
| | + | *Z16 Special Sport Coupe, '65 Chevelle |
| | + | *Z19 Convenience Group, '66 |
| | + | *Z20 Monte Carlo SS 454 |
| | + | *Z25 Super Sport Option, '69+ |
| | + | *Z29 Vinyl Stripe |
| | + | *Z49 Canadian Base Equipment |
| | + | *Z57 Vinyl Coated Trim |
| | + | *Z83 Road Hazard Package, '66 |
| | + | *Z95 Regular Fuel Engine Equipment |
| | | | |
| − | *Date Codes and Where Are They?
| |
| | | | |
| − | *Almost every mechanical part made for a Chevrolet has a date code, either cast or stamped into it. These simply identify when the part was made. To the factory, this date probably made sure that they didn't leave any stock laying on the shelf too long, although if you have ever watched any factory production line run, it is doubtful if anyone ever reads the dates. The purpose of the date to Chevrolet was probably to ensure a means to track any defects should they arise. If a part dated March 3 and one dated March 21 were both defective, attention could be paid to those parts built between those dates for other possible defects. Today, these are used to determine if the part is correct for that Chevrolet , as an engine with a date code of D 16 5 (April 16, 1965) could not be correct for a '63 Chevrolet as the engine was made after the car was made. Parts too early are usually not correct either, as they would have been installed on an earlier vehicle, such as a B 23 3 (Feb. 23, 1963) in a '67 Corvette. NCRS provides a window of 6 months on date codes prior to the build date of the car. Obviously, a part on a car could not have been made AFTER the car was made._ But given how new items were constantly loaded on shelves, with existing items being shoved further back each time, a part could sit for many months before being assembled on a car. Usually, the parts were used within a few days or weeks but there are many documented original cars that have parts several months old. Be sure to notice that some parts have both a casting and a stamped date code. These can be several days apart. The stamped date code is when the part was assembled and should be the one considered.
| |
| | | | |
| − | *Engine Block: The date code on a SBC is typically on the bellhousing flange behind the distributor. On early big blocks, it was on the passenger side near the pan rail, but later (1970) moved up to the same location as the SBC. Usually the date is given as a letter, a number and then a number, such as B 23 3 which is for February 23, 1963. With any engine still having ignition shielding on, you have a very hard time to see the date. A good flashlight and a wire brush to clean any dirt are a must, even with the shielding removed.
| + | SEO (Special Equipment Option) codes -- number/letter/number |
| | | | |
| − | *Cylinder Heads: The date code is located on top under the rocker arms. You must remove the valve covers to see them. Often lead deposits in old engines have filled the numbers and letters so they are hard to read. Often the rockers are in the way. | + | *1A2 special service vehicle (wagon police package, reduced content) |
| | + | *1T1 (green) silicone rubber (engine) hoses |
| | + | *6J6 aux brake/turn lamps, rear package shelf |
| | + | *7X6 spotlamp, police, driver's side A pillar |
| | + | *7X7 spotlamp, police, driver and passenger side A pillars |
| | + | *9C1 police package (70s Chevelle, 1977-2007 Caprice/Impala) |
| | + | *9C3 special service vehicle (fwd police package, reduced content) |
| | + | *9C6 taxi |
| | | | |
| − | *Intake Manifold: The small block usually has the date on the driver's side rear runner. The date is typically below the casting part number. The firing order (18436572) is usually cast on the front runner so do not confuse it with the part number. Some big block intakes have the date cast under the intake so that you must have the intake off the engine to see it.
| |
| | | | |
| − | *Exhaust Manifolds: The casting numbers on the Ram horn manifolds are on the outside near the 1-3 or 6-8 cylinders. On the big block manifolds, it is found low near the outlet. The date codes on the Ram Horn manifolds are found on the opposite end. On the big block manifolds, the date code is found on the back side. | + | *W Tinted Windshield |
| | + | *X Power Windows |
| | + | *L Fold-Down Seat |
| | + | *D Power Top |
| | + | *E All Glass Tinted |
| | + | *M Powerglide |
| | + | *G Center Console |
| | + | *L 4-Speed Manual |
| | + | *F A/C |
| | + | *B 3-Speed Manual on Floor |
| | + | *S Rear Antenna |
| | + | *U 8-Track Multiplex |
| | + | *R Rear Speaker |
| | + | *S Z-23 Interior |
| | + | *L Z-22 (RS) |
| | + | *K Z-21 Style Trim |
| | + | *B Rear Window Defroster |
| | + | *D Clock and/or Gauges |
| | | | |
| − | *Transmission: The Borg Warner transmission has a date cast into the main body and tailshaft in the early T10s. Some later T10s ('70s) have it also. Usually it is found on the passenger side. The Muncie has a date cast on the tailshaft. Unfortunately, these casting dates are the ones that the castings were made, not the transmission. A stamped number usually contains an assembly date. Rear end housingThe housing for the 1963 to 1979 differential has a casting date on the drivers side. Again, this is the case date code. The assembly date is stamped in the bottom of the case on the lip where the cover mates. | + | *Platform codes |
| | + | *B car: Caprice/Impala/CustomCruiser/Roadmaster/Parisienne |
| | + | *F car: Camaro, Firebird |
| | + | *Y car: Corvette |
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| − | *Alternator: The date code is stamped into the housing. | + | Engine codes |
| | + | *P SS350 |
| | + | *N SS396/325 Hp |
| | + | *K SS396/375 Hp |
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| − | *Water Pump: The water pump has a date code cast into the body in the front but the pulley must be removed to see it usually.
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| − | *Carburetor: Most of the earlier carburetors were built by Carter and had an identifier tag attached to a cover bolt. This tag had the part number and date code. On Holley carbs, the List Number is stamped on the drivers side air horn in front along with either a 3 digit or 4 digit date code. The Rochester QuadraJet has a stamped number on the driver's side on a vertical pad | + | ==Also see:== |
| | + | *[http://www.crankshaftcoalition.com/wiki/GM_RPO_build_codes GM RPO build codes] |
| | + | *[http://www.crankshaftcoalition.com/wiki/More_GM_RPO_codes More GM RPO codes] |
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| − | *Build sheets are a small strip of paper, about 2 inches wide by 8 inches long or a square about 5 inches by 7 inches that is usually buried in the cotton stuffing of the rear seat, in the backrest of the front seat, or drivers bucket. If you are lucky enough to find this, (the mice usually have other plans for it) then photocopy it immediately and put it back, the last thing you want is to lose it after having it right under your butt for so long. If you make a copy and replace it you are ensuring that the next guy (hey, we all know you plan on keeping this one forever!) can enjoy the thrill of "finding" this original documentation. Build sheets usually confirm what the Cowl tag will tell you, but in more depth.
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| − | *Build sheets consist of the following information:
| + | [[Category:Identification and decoding]] |
| − | *The model number, starts with 1 followed by 4 or more numbers.eg 12467.
| + | [[Category:RPO GM build codes]] |
| − | *A pair of letters will designate the paint code.
| + | [[Category:GM]] |
| − | *A three number series will designate the interior.
| + | |
| − | *A series of one letter and two numbers indicates the factory installed_ options.
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