1967 Pontiac Engine Identification Codes

Year

Code

C.I.D.

Carb

Trans

HP@RPM

Torque@RPM

Bore/ Stroke

Comp. Ratio

1967
WA
400
2bbl
MT
265 @ ?
?
?
8.6:1
HDC
WB
400
2bbl
MT
265 @ ?
?
?
8.6:1
ex em
WD
400
4bbl
MT
333 @ 5000
445 @ 3000
4.121 x 3.75
10.5:1
WE
400
4bbl
MT
333 @ 5000
445 @ 3000
4.121 x 3.75
10.5:1
AC
WF
400
2bbl
AT
?
?
?
?:1
2+2
WG
428
QJet
MT
360 @ 4600
472 @ 3200
4.121 @ 4.0
10.5:1
WS
428
QJet
MT
?
?
4.121 x 4.0
?:1
ex em
WL
428
4bbl
AT
?
?
4.121 x 4.0
?:1
ex em
WM
400
2bbl
MT
?
?
?
?:1
ex em
WN
400
2bbl
MT
?
?
?
?:1
XA
400
2bbl
MT
?
?
?
?:1
XB
400
2bbl
AT
260 @ ?
?
?
7.9:1
XC
400
4bbl
AT
293 @ ?
?
?
7.9:1
2+2 ex em
XD
428
4bbl
AT
?
?
4.121 x 4.0
?:1
XH
400
4bbl
AT
350 @ 5000
440 @ 3200
4.121 @ 3.75
10.5:1
AC
XJ
400
4bbl
AT
350 @ 5000
440 @ 3200
4.121 @ 3.75
10.5:1
2+2 ex em
XK
428
QJet
MT
376 @ 5100
462 @ 3400
4.121 x 4.0
10.75:1
ex em
XY
400
4bbl
MT
350 @ 5000
440 @ 3200
4.121 x 3.75
10.5:1
XZ
400
4bbl
MT
350 @ 5000
440 @ 3200
4.121 x 3.75
10.5:1
YA
400
2bbl
AT
265 @ ?
?
?
8.6:1
ex em
YB
400
2bbl
AT
265 @ ?
?
?
8.6:1
YC
400
2bbl
AT
290 @ 4600
428 @ 2500
4.121 x 3.75
10.5:1
AC
YD
400
2bbl
AT
290 @ 4600
428 @ 2500
4.121 x 3.75
10.5:1
HDC
YE
400
4bbl
AT
325 @ 4800
445 @ 2900
4.121 x 3.75
10.5:1
HDC AC
YF
400
4bbl
AT
325 @ 4800
445 @ 2900
4.121 x 3.75
10.5:1
YH
428
QJet
AT
360 @ 4600
472 @ 3200
4.121 x 4.0
10.5:1
2+2
YK
428
QJet
AT
376 @ 5100
462 @ 3400
4.121 x 4.0
10.75:1
ex em
YL
400
4bbl
AT
?
?
?
?:1
ex em
YU
400
2bbl
AT
?
?
?
?:1
AC
YV
400
2bbl
AT
?
?
?
?:1
HDC ex em
YW
400
4bbl
AT
?
?
?
?:1
ee AC HDC
YX
400
4bbl
AT
?
?
?
?:1
2+2 ex em
YY
428
QJet
MT
360 @ 4600
472 @ 3200
4.121 x 4.0
10.5:1
WJ
428
QJet
MT
376 @ 5100
462 @ 3400
4.121 x 4.0
10.75:1
Y2
428
QJet
MT
360 @ 4600
472 @ 3200
4.121 x 4.0
10.5:1
Y3
428
QJet
MT
376 @ 5100
462 @ 3400
4.121 x 4.0
10.75:1
1
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