Intake Manifold Codes >
Intake codes have casting codes on them as well and with the date code you can determine what engine it came on.
They are located on usually on the number 1 intake runner by the thermostat.
Casting
Year
CID
HP
Carb
Type
Notes
521510
1955
287
173, 180
Rochester
1×2

521512
1955
287
200
Rochester
1×4

521570
1956
316
192, 205
Rochester
1×2

521571
1956
316
227
Rochester
1×4

523813
1957
347
227, 252
Rochester
1×2

523814
1957
347
244, 270
Rochester
1×4

528533
1957
347
290, 317
Rochester
3×2

528577
1958
370
240, 255
Rochester
1×2

528578
1958
370
255, 285, 315
Rochester
1×4

529571
1958
370
300, 330
Rochester
3×2

532119
1959
389
245, 280
Rochester
1×2

534318
1959
389
215
Rochester
1×2
425 E
532120
1959
389
260, 300, 330
Carter
1×4

532422
1959
389
315, 345
Rochester
3×2

536517
1960
389
215, 230, 283
Rochester
1×2

535482
1960
389
348
Carter
1×4
SD
536518
1960
389
235, 281, 303, 333
Carter
1×4

535552
1960
389
363
Rochester
3×2
SD
536194
1960
389
318, 348
Rochester
3×2

535889
1960-61
389
348, 368
Carter
1×4
SD
538200
1961
389
215, 230, 267, 283
Rochester
1×2

538201
1961
389
235, 276, 287, 303, 333
Carter
1×4

538202
1961
389
318, 348
Rochester
3×2

540510
1961
389
368
Rochester
3×2
SD
541474
1962
389
215, 230, 267, 283
Rochester
1×2

541475
1962
389
235, 276, 287, 303, 333
Carter
1×4

541690
1962
389
318, 348
Rochester
3×2

544128
1962
389
385
Carter
1×4
SD
544128
1962
421
353
Carter
1×4
SD
9770274
1963
326
280
Carter
1×4

9770274
1963
389
235, 276, 303
Carter
1×4

9770274
1963
421
320, 353
Carter
1×4

9770275
1963
389
313
Rochester
3×2

9770275
1963
421
370
Rochester
3×2

544128
1963
421
353, 390
Carter
1×4
SD
9772390
1963
421
363
Carter
1×4
SD
9770273
1963-64
326
250, 260
Rochester
1×2

9770273
1963-64
389
215, 230, 235, 267,283
Rochester
1×2

9770274
1964
389
235, 303, 306
Carter
1×4

9770274
1964
421
320
Carter
1×4

9775088
1964
389
330, 348
Rochester
3×2

9775088
1964
421
350, 370
Rochester
3×2

9778817
1965
326
250
Rochester
1×2

9778817
1965
389
256, 290
Rochester
1×2

9778816
1965
326
285
Carter
1×4

9778816
1965
389
276, 325, 333, 335
Carter
1×4

9778816
1965
421
338
Carter
1×4

9778818
1965
389
338, 360
Rochester
3×2

9778818
1965
421
356, 376
Rochester
3×2

9782894
1966
326
250
Rochester
1×2

9782894
1966
389
256, 290
Rochester
1×2

9784438
1966
389
256, 290
Rochester
1×2

9782896
1966
326
285
Carter
1×4

9782896
1966
389
325, 333, 335
Carter
1×4

9782896
1966
421
338, 350
Carter
1×4

9782898
1966
389
360
Rochester
3×2

9782898
1966
421
356, 376
Rochester
3×2

9784438
1966-67
326
250
Rochester
1×2

9784438
1967
400
255, 265, 290
Rochester
1×2

9782896
1967
326
285
Carter
1×4

9782896
1967
400
293, 325, 333, 350
Carter
1×4

9786282
1967
400
335, 360
Qjet
1×4
GTO
9786286
1967
400
325, 335, 360
Qjet
1×4
GTO
9786286
1967
421
360, 376
Qjet
1×4

9790418
1968
350
265
Rochester
1×2

9790418
1968
400
265, 290
Rochester
1×2

9790140
1968
350
320
Qjet
1×4

9790140
1968
400
335, 340, 350, 360, 366
Qjet
1×4

9790140
1968
428
375, 390
Qjet
1×4

9794233
1968-69
350
265
Rochester
1×2

9794233
1968-69
400
265, 290
Rochester
1×2

9794234
1968-69
350
320, 330
Qjet
1×4

9794234
1968-69
400
330, 335, 340, 350, 360, 366
Qjet
1×4

9794234
1968-69
428
360, 375, 370, 390
Qjet
1×4

1201
1969
303

Holley
1×4
short RA5
545288
1969
400

Holley
1×4
RA5
9796614
1969
303

Qjet
1×4
short RA4
9796614
1969
400
345, 370
Qjet
1×4
RA4
9799067
1970
350
255
Rochester
1×2

9799067
1970
400
265
Rochester
1×2

9799068
1970
400
330, 350
Qjet
1×4

545288
1970
400

Holley
1×4
RA5
9799084
1970
400
370
Qjet
1×4
RA4
481732
1971
350
250
Rochester
1×2

481732
1971
400
265
Rochester
1×2

481732
1971
455
280
Rochester
1×2

481733
1971
400
300
Qjet
1×4

481733
1971
455
325, 280
Qjet
1×4

483674
1971
455
335
Qjet
1×4
HO
485911
1972
350
160, 175
Rochester
1×2

485911
1972
400
175, 200
Rochester
1×2

485911
1972
455
185, 200
Rochester
1×2

485912
1972
400
250
Qjet
1×4

485912
1972
455
250
Qjet
1×4

488945
1972
455
300
Qjet
1×4
HO
492292
1973
350
150, 175
Rochester
1×2

492292
1973
400
170, 185
Rochester
1×2

491244
1973
400
230
Qjet
1×4

491244
1973
455
250
Qjet
1×4

494744
1973
400
230
Qjet
1×4

494744
1973
455
250
Qjet
1×4

494282
1973
400
230
Qjet
1×4

494282
1973
455
250
Qjet
1×4

494405
1973
455
290
Qjet
1×4
SD
494419
1973
455
290
Qjet
1×4
SD
485640
1973
455
290
Qjet
1×4
SD
495104
1974
350
155, 170
Rochester
1×2

495104
1974
400
190
Rochester
1×2

495106
1974
350
200
Qjet
1×4

495106
1974
400
200, 225
Qjet
1×4

495106
1974
455
250
Qjet
1×4

495107
1974
455
290
Qjet
1×4
SD
496142
1975
350
155
Rochester
1×2

496142
1975
400
170
Rochester
1×2

496140
1975
350
175
Qjet
1×4

496140
1975
400
185
Qjet
1×4

496140
1975
455
200
Qjet
1×4

525353
1976
400
170
Rochester
1×2

525355
1976
350
165
Qjet
1×4

525355
1976
400
185
Qjet
1×4

525355
1976
455
200
Qjet
1×4

525353
1976-77
350
160
Rochester
1×2

526213
1977
301
135
Rochester
1×2

525355
1977
350
170
Qjet
1×4

525355
1977
400
180, 200
Qjet
1×4

10000518
1978
301
150
Qjet
1×4

10003395
1978
400
180, 220
Qjet
1×4

10000518
1979
301
150
Qjet
1×4

10003395
1979
400
220
Qjet
1×4

10000516
1978-81
301
135
Rochester
1×2

Intake Manifold Casting Codes
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