27.004 Corvettes were built in 1972. 20.496 Coupe and 6.508 Convertibles.
The Vehicle Identification Numbers, VIN were 1Z37K2S500001 through 1Z37K2S527004
For convertibles, third digit is a 6
Fifth digit varies as follows: K=350 CID / L=350 CID - 255 HP / W=454 CID - 270 HP

Cubic Inch 350 350 454
HP @ RPM 200 @ 4400 255 @ 5600 270 @ 4000
Torque  RPM 300 @ 2800 280 @ 4000 390 @ 3200
Comp. Ratio 8.5:1 9.0:1 8.5:1
Bore & Stroke 4.00 x 3.48 4.00 x 3.48 4.251 x 4.000
Carburator 4 BBL 4 BBL 4 BBL
In Manifold Cast Iron Cast Iron Cast Iron
Valve Lifters Hydraulic Hydraulic Hydraulic
Exhaust Cast Iron Cast Iron Cast Iron
Oil Capacity 4 QT 4 QT 5 QT
Spark Plugs R44T R44T R44T

3970010 350 CID - 200 HP & 255 HP
3970014 350 CID - 200 HP & 255 HP ( Late Production )
3999289 454 CID - 270 HP

3973487 350 CID - 200 HP & 255 HP
3970014 350 CID - 200 HP & 255 HP ( Late Production )
3998993 350 CID - 200 HP
3999241 454 CID - 270 HP

350 Cubic Inch Engine CODE
200 HP with 4-Speed CKW
200 HP with 4-Speed and NOX control CDH
200 HP with Turbo Hydra-Matic CKX
200 HP with Turbo Hydra-Matic and NOX control CDJ
255 HP with 4-Speed CKY
255 HP with 4-Speed and AIR CRT
255 HP with Turbo Hydra-Matic CKZ
255 HP with Turbo Hydra-Matic and AIR CRS
454 Cubic Inch Engine CODE
270 HP with 4-Speed CPH
270 HP with Turbo Hydra-Matic CPJ
270 HP CSR, C

Ratio and Type CODE
2.73 Positraction AV
3.08 Positraction AW
3.36 Positraction AX, LR
3.55 Positraction AA
3.70 Positraction AB
4.11 Positraction AC

Color CODE
Sunflower Yellow 912
Pewter Silver 924
Bryar Blue 945
Elkhart Green 946
Classic White 972
Mille Miglia Red 973
Targa Blue 979
Ontario Orange 987
Steel Cities Gray 988
War Bonnet Yellow 989

Tommy Ledberg