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1971 Chevelle Engine Codes:
All engines are stamped with an engine ID code, consisting of assembly plant
code, production date and suffix code. V8 codes are stamped on a pad just forward
of the right side (passenger) cylinder head. 6 cylinder engines are stamped
on the passenger side of the block behind the distributor. The block casting
number on small block and big block Chevy V-8 engine's are located on the ledge
found at the rear of the block, most often on the driver's side. This ledge
forms the mating surface between the block and the transmission bell housing.
These particular codes designate the specific powerplant that was installed
in the vehicle at the factory. Note, this is a general reference.
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Code |
Power plant |
Equipment |
Six Cylinders |
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CBA |
250-110 HP |
Manual Transmission |
CBG |
250-110 HP |
Manual Transmission |
CBJ |
250-110 HP |
Powerglide Automatic |
CDL |
250-110 HP |
Powerglide Automatic |
CDM |
250-110 HP |
Manual Transmission |
CAA |
250-145 HP |
3 or 4 Speed Manual Transmission |
CAB |
250-145 HP |
Powerglide Automatic |
Eight Cylinders |
|
|
CAY |
307-130 HP |
Manual Transmission |
CAZ |
307-130 HP |
Powerglide Automatic |
CKG |
307-130 HP |
Manual Transmission |
CKH |
307-130 HP |
Powerglide Automatic |
CMA |
307-130 HP |
350 Turbohydramatic Automatic |
CTK |
307-130 HP |
350 Turbohydramatic Automatic |
CCA |
307-200 HP |
3 or c Transmission |
CCC |
307-200 HP |
Powerglide Automatic |
CSD |
350-110 HP |
Powerglide Automatic |
CKA |
350-165 HP |
Manual Transmission |
CMB |
350-165 HP |
350 Turbohydramatic Automatic |
CMH |
350-165 HP |
Manual Transmission |
CRD |
350-165 HP |
350 Turbohydramatic Automatic |
CRG |
350-165 HP |
Manual Transmission |
CTL |
350-165 HP |
350 Turbohydramatic Automatic |
CKD |
350-200 HP |
350 Turbohydramatic Automatic |
CKK |
350-200 HP |
Manual Transmission |
CGA |
350-245 HP |
Manual Transmission |
CGB |
350-245 HP |
Powerglide Automatic |
CGC |
350-245 HP |
350 Turbohydramatic Automatic |
CKS |
350-255 HP |
Manual Transmission |
CKT |
350-255 HP |
400 Turbohydramatic Automatic |
CGK or CJJ |
350-270 HP |
Manual Transmission |
CGL or CJD |
350-270 HP |
350 Turbohydramatic Automatic |
CJG |
350-270 HP |
Manual Transmission |
CAJ |
400-255 HP |
Manual Transmission Sm Block |
CLK |
400-255 HP |
350 Turbohydramatic Automatic Sm Block |
CLA |
402-300 HP |
Manual Transmission |
CLB |
402-300 HP |
400 Turbohydramatic Automatic |
CLL |
402-300 HP |
4 Speed Manual |
CLP |
402-300 HP |
400 Turbohydramatic Automatic |
CLR |
402-300 HP |
Manual Transmission |
CLS |
402-300 HP |
Manual Transmission |
CPA |
454-365 HP |
Manual Transmission |
CPD |
454-365 HP |
Manual Transmission |
CPG |
454-365 HP |
Manual Transmission |
CPP |
454-425 HP |
Manual Transmission |
CPR |
454-425 HP |
Turbohydramatic Automatic |
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