1969 Pontiac Engine Identification Codes

Year

Code

C.I.D.

Carb

Trans

HP@RPM

Torque@RPM

Bore/ Stroke

Comp. Ratio

1969
WA WD
400
2bbl
MT
290 @ 4600
428 @ 2500
4.121 x 3.75
10.5:1
YA YB
400
2bbl
AT
265 @ 4600
397 @ 2400
4.121 x 3.75
8.6:1
WB WE
400
2bbl
MT
290 @ 4600
428 @ 2500
4.121 x 3.75
10.5:1
YC YD
400
2bbl
AT
290 @ 4600
428 @ 2500
4.121 x 3.75
10.5:1
WG
428
4bbl
MT
360 @ 4600
472 @ 3200
4.121 x 4.0
10.5:1
YL YH
428
4bbl
AT
360 @ 4600
472 @ 3200
4.121 x 4.0
10.5:1
WJ
428
4bbl
MT
390 @ 5200
465 @ 3400
4.121 x 4.0
10.75:1
XK
428
4bbl
AT
360 @ 4600
472 @ 3200
4.121 x 4.0
10.5:1
XE XJ
428
4bbl
AT
360 @ 4600
472 @ 3200
4.121 x 4.0
10.5:1
YK
428
4bbl
AT
390 @ 5200
465 @ 3400
4.121 x 4.0
10.75:1
GP
WX
400
4bbl
MT
350 @ 5000
445 @ 3000
4.121 x 3.75
10.5:1
GP
XH
400
4bbl
AT
350 @ 5000
445 @ 3000
4.121 x 3.75
10.5:1
GP
WF
428
4bbl
MT
370 @ 4800
472 @ 3200
4.121 x 4.0
10.5:1
GP
XF
428
4bbl
AT
370 @ 4800
472 @ 3200
4.121 x 4.0
10.5:1
GP
WL
428
4bbl
MT
390 @ 5200
465 @ 3400
4.121 x 4.0
10.75:1
GP
XG
428
4bbl
AT
390 @ 5200
465 @ 3400
4.121 x 4.0
10.75:1
GP
YF
400
2bbl
AT
265 @ 4600
397 @ 2400
4.121 x 3.75
8.6:1
XZ
400
4bbl
AT
340 @ 4800
445 @ 2900
4.121 x 3.75
10.5:1
1
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