Line 5 Build Codes.

Build codes run from line 3, 4 and 5. Most of the numbers are the last few digits of the factory production part numbers.

TORSION BAR LT RT:

The last three digits of the part number for the Torsion Bars Left and Right.

LT

779 = 1857779 Left HD 41x.090 B-body
781 = 1857781 Left HD 41x.092 B-body 440/426

RT

778 = 1857778 Right HD 41x.090 B-body
780 = 1857780 Right HD 41x.092 B-body 440/426

REAR SPRINGS LT RT:

The last three digits of the part number for the Rear Springs Left and Right.

794 = 2539794 Left B-body 6 leafs
964 = 2539964 Right B-body 5 full + 2 ½ leafs

CLUTCH/BRAKE PEDAL:

The two digit code for the Clutch and Brake Pedal. For 1971 the first box is for the BRAKE PEDAL, the second box is for the CLUTCH PEDAL.

BRAKE

53 = 4-spd - manual brakes
54 = 4-spd - manual brakes Dress Up
57 = Automatic - manual brakes
63 = 4-spd - power brakes
67 = Automatic - power brakes
68 = Automatic - power brakes w/speed control

CLUTCH

00 = Automatic - no clutch standard pedal
01 = Automatic - no clutch pedal Dress Up
20 = 4-spd - standard clutch pedal
21 = 4-spd - pedal Dress Up

LABELS:

Two separate boxes. The first box is the last two digits of the part number for the Vehicle Lable VEC. The second box is the last two digits of the part number for the tire pressure decal lable TIRE.

VEC

32 = 3577732 340 CID 4bbl
72 = 3614872 383 CID 4bbl Manual Trans
73 = 3614873 383 CID 4bbl Auto Trans
75 = 3614875 440 CID 4bbl Manual Trans
76 = 3614876 440 CID 4bbl Auto Trans
77 = 3614877 440 CID 6bbl
78 = 3614878 426 CID 4bbl Manual Trans
79 = 3614879 426 CID 4bbl Auto Trans

TIRE

63 = 3402163 B-Body G70x14
36 = 3402336 B-Body F70x14

EXHAUST:

The last two digits of the factory assembly line part number for the Exhaust system.

LT

00 = UNKNOWN PART # Dual exhaust

RT

17 = UNKNOWN PART # Dual exhaust

TAIL PIPE:

The last two digits of the factory assembly line part number for the for the Tail Pipes.

LT

21 = UNKNOWN PART # Dual exhaust Chrome

RT

30 = UNKNOWN PART # Dual exhaust Chrome

CAR HEIGHT:

This code is for the car ride height.

BM5
BM3
BP5
BP3

MAS CYL:

The last two digits of the factory assembly line part number.

31 = B-body 440/426 CID drums front/rear
42 = B-body 440 CID w/power drum brakes
43 = B-body 426 CID 2x4bbl w/power drum brakes
45 = B-Body 440 CID w/power disc brakes
46 = B-body 426 CID 2x4bbl w/power disc brakes

FRONT BRAKE LT RT:

The last two digits of the factory assembly line part number.

LT

11 = B-body w/11" Drum
67 = B-body w/disc brakes

RT

10 = B-body w/11" Drum
66 = B-body w/disc brakes