1970 Pontiac Engine Identification Codes
|
Year
|
Code
|
C.I.D.
|
Carb
|
Trans
|
HP@RPM
|
Torque@RPM
|
Bore/ Stroke
|
Comp. Ratio
|
| 1970
| W7
| 350
| 2bbl
| MT
| 255 @ 4600
| 355 @ 2800
| 3.88 x 3.75
| 8.8:1
|
|
| X7
| 350
| 2bbl
| AT
| 255 @ 4600
| 355 @ 2800
| 3.88 x 3.75
| 8.8:1
|
|
| WE
| 400
| 2bbl
| MT
| 290 @ 4600
| 428 @ 2500
| 4.121 x 3.75
| 10:1
|
| GP
| WX
| 400
| 4bbl
| MT
| 350 @ 5000
| 445 @ 3000
| 4.121 x 3.75
| 10.25:1
|
| GP
| XH
| 400
| 4bbl
| AT
| 350 @ 5000
| 445 @ 3000
| 4.121 x 3.75
| 10.25:1
|
|
| XZ
| 400
| 4bbl
| AT
| 350 @ 5000
| 445 @ 3000
| 4.121 x 3.75
| 10:1
|
| GP
| YB
| 400
| 2bbl
| AT
| 265 @ 4600
| 397 @ 2400
| 4.121 x 3.75
| 8.8:1
|
|
| YD
| 400
| 2bbl
| AT
| 290 @ 4600
| 428 @ 2500
| 4.121 x 3.75
| 10:1
|
| GP
| WG
| 455
| 4bbl
| MT
| 370 @ ?
| ?
| 4.15 x 4.21
| 10.25:1
|
| GP
| XF
| 455
| 4bbl
| AT
| 370 @ ?
| ?
| 4.15 x 4.21
| 10.25:1
|
|
| YH
| 455
| 4bbl
| AT
| 370 @ ?
| ?
| 4.15 x 4.21
| 10:1
|
