1966 Pontiac GTO/Tempest Engine Identification Codes
|
Year
|
Code
|
C.I.D.
|
Carb
|
Trans
|
HP@RPM
|
Torque@RPM
|
Bore/ Stroke
|
Comp. Ratio
|
| 1966
| ZG
| 230
| 1bbl
| AT
| 165 @ 4700
| 216 @ 2600
| 3.88 x 3.25
| 9.0:1
|
|
| ZK
| 230
| 1bbl
| MT 3spd
| 165 @ 4700
| 216 @ 2600
| 3.88 x 3.25
| 9.0:1
|
|
| ZM
| 230
| 1bbl
| AT
| 165 @ 4700
| 216 @ 2600
| 3.88 x 3.25
| 9.0:1
|
|
| ZN
| 230
| 1bbl
| AT
| 165 @ 4700
| 216 @ 2600
| 3.88 x 3.25
| 9.0:1
|
|
| ZS
| 230
| 1bbl
| MT 3spd
| 165 @ 4700
| 216 @ 2600
| 3.88 x 3.25
| 9.0:1
|
|
| WP
| 326
| 2bbl
| MT 3spd
| 250 @ 4600
| 333 @ 2800
| 3.72 x 3.75
| 9.2:1
|
|
| WR
| 326
| 4bbl
| MT 3spd
| 285 @ 5000
| 359 @ 3200
| 3.72 x 3.75
| 10.5:1
|
| GTO
| WS
| 389
| 3-2bbl
| MT 3spd
| 360 @ 5200
| 424 @ 3600
| 4.06 x 3.75
| 10.75:1
|
| GTO
| WT
| 389
| 4bbl
| MT 3spd
| 335 @ 5000
| 431 @ 3200
| 4.06 x 3.75
| 10.75:1
|
| GTO
| WV
| 389
| 3-2bbl
| MT 3spd
| 360 @ 5200
| 424 @ 3600
| 4.06 x 3.75
| 10.75:1
|
| GTO
| WW
| 389
| 4bbl
| MT 3spd
| 335 @ 5000
| 431 @ 3200
| 4.06 x 3.75
| 10.75:1
|
|
| WX
| 326
| 2bbl
| MT 3spd
| 250 @ 4600
| 333 @ 2800
| 3.72 x 3.75
| 9.2:1
|
| GTO
| XE
| 389
| 4bbl
| AT
| 335 @ 5000
| 431 @ 3200
| 4.06 x 3.75
| 10.75:1
|
|
| XF
| 326
| 2bbl ex em
| AT
| 250 @ 4600
| 333 @ 2800
| 3.72 x 3.75
| 9.2:1
|
|
| XG
| 326
| 4bbl ex em
| AT
| 285 @ 5000
| 359 @ 3200
| 3.72 x 3.75
| 10.5:1
|
|
| YN
| 326
| 2bbl
| AT
| 250 @ 4600
| 333 @ 2800
| 3.72 x 3.75
| 9.2:1
|
|
| YP
| 326
| 4bbl
| AT
| 285 @ 5000
| 359 @ 3200
| 3.72 x 3.75
| 10.5:1
|
| GTO
| YR
| 389
| 3-2bbl
| AT
| 360 @ 5200
| 424 @ 3600
| 4.06 x 3.75
| 10.75:1
|
| GTO
| YS
| 389
| 4bbl
| AT
| 335 @ 5000
| 431 @ 3200
| 4.06 x 3.75
| 10.75:1
|
|
| ZD
| 230
| 4bbl
| MT 3spd
| 207 @ 5200
| 228 @ 3800
| 3.88 x 3.25
| 10.5:1
|
|
| ZE
| 230
| 4bbl
| AT
| 207 @ 5200
| 228 @ 3800
| 3.88 x 3.25
| 10.5:1
|
|
| ZF
| 230
| 1bbl
| MT 3spd
| 165 @ 4700
| 216 @ 2600
| 3.88 x 3.25
| 9.0:1
|
| op RA GTO
| XS
| 389
| 3-2bbl
| MT 3spd
| 360 @ 5200
| 424 @ 3600
| 4.06 x 3.75
| 10.75:1
|
