1969 Pontiac Firebird Engine Identification Codes

Year

Code

C.I.D.

Carb

Trans

HP@RPM

Torque@RPM

Bore/ Stroke

Comp. Ratio

1969
ZC ZK
250
1bbl
MT
175 @ 4800
240 @ 2600
3.88 x 3.53
9.0:1
ZF ZH
250
1bbl
AT
175 @ 4800
240 @ 2600
3.88 x 3.53
9.0:1
ZH ZD
250
4bbl
MT
230 @ ?
?
3.88 x 3.53
10.5:1
ZL ZE
250
4bbl
AT
215 @ 5200
255 @ 3800
3.88 x 3.53
10.5:1
WM WC
350
2bbl
MT
265 @ 4600
355 @ 2800
3.88 x 3.75
9.2:1
XB YE XL YJ
350
2bbl
AT
265 @ 4600
355 @ 2800
3.88 x 3.75
9.2:1
H.O.
WN
350
4bbl
MT
325 @ ?
?
3.88 x 3.75
10.5:1
H.O.
XC
350
4bbl
AT
325 @ ?
?
3.88 x 3.75
10.5:1
WZ
400
4bbl
MT
330 @ ?
?
4.12 x 3.75
10.75:1
YT
400
4bbl
AT
330 @ ?
?
4.12 x 3.75
10.75:1
H.O.
WQ
400
4bbl
MT
335 @ 5000
430 @ 3400
4.12 x 3.75
10.75:1
H.O.
YW
400
4bbl
AT
335 @ 5000
430 @ 3400
4.12 x 3.75
10.75:1
RA IV
WH
400
4bbl
MT
345 @ ?
?
4.12 x 3.75
10.75:1
RA IV
XN
400
4bbl
AT
345 @ ?
?
4.12 x 3.75
10.75:1
1
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