website design software
engine numbers

This page has some basic Pontiac engine casting numbers

Below are Head casting numbers                                 Below are block numbers

 

 

1964
326/250 hp
326/280 hp
389/215, 230, 235 hp
389/267, 283, 303, 306 hp
389/325, 330, 348 hp
421/320 hp
421/350, 370 hp

1965
326/250 hp
326/285 hp
389/256 hp
389/290, 325, 333 hp
389/335, 338, 360 hp
421/338 hp
421/356, 376 hp
NOTE: All casting #s are on end port.

1966
230/165 hp
230/207 hp
326/250 hp
326/285 hp
389/256 hp
389/290, 325, 333 hp
389/335, 360 (GTO) hp
421/338, 350 hp
421/356, 376 hp

1967
230/165 hp
230/215 hp
326/250 hp
326/285 hp
400/255,
260, 265 hp
400/290 hp
400/325, 333 hp
400/350 hp
(Grand Prix)
400/325, 335, 360 hp
400/325, 360 hp,
Ram Air
428/360, 376 hp

1968
250/175 hp
250/215 hp
350/265 hp
350/320 hp
400/265 hp
400/290, 340 hp
400/350 hp
(Grand Prix)
400/330 hp
(Firebird)
400/335, 350, 360 hp
400/335, 360 hp
Ram Air
400/340, 366
hp Ram Air
428/375 hp
428/390 hp

1969
250/175 hp
250/215, 230 hp
350/265 hp
350/325 hp
400/265 hp
400/290 hp
400/340 hp
 


9773345, (845)
9773395
543796
9773345,(845)
9770716
9773345,(845)
9770716


62
22
75
76
77
76
77




9782005
9782229
094
095
091
092
093
092
093


9778692
9778693
140
141

142
143, 061
143, 061

670,9787671,187
670

670,97, 997
670, 9787671


9791194
9791195
17
18
14
15, 215

16, 216, 62

16, 216, 62
16, 62

31 (37)

R, 96, A
16, 216, 62
16, 216, 62



9795456
9795457
47
48
45
46
 

 

1969
400/330, 335,
350, 366 hp
400/345, 370 hp
Ram Air IV*
428/360 hp
428/370 hp
428/390 hp
400/375 hp (Ram Air V)
*NOTE: Cast # on end port.

1970
350/255 hp
400/265 hp
400/290 hp
400/330 hp
400/330 hp
400/330 hp
400/335,366 hp
(Ram Air III)
400/350 hp
(Grand Prix)
400/350 hp (GTO)
400/350 hp (GTO)
400/345,370 hp
Ram Air IV*
455/360 hp
(B-body)
455/360, 370 hp
*NOTE: Cast # is on
the end port.

1971
350/250 hp
400/265 hp
400/300 hp
455/280 hp
455/325 hp
455 H.O./335 hp*
*NOTE: Cast # is on
the end port.

1972
350/175 hp
400/200 hp
400/250 hp
455/200 hp
455/250 hp
455 H.O./300 hp

1973
350/150, 175 hp
400/170, 185 hp
400/200 hp
400/230 hp
455/215, 250hp
455-SD/290 hp
** NOTE: Screw-in studs.

1974
350/155, 170 hp
350/200 hp
400/175, 190 hp
400/200 hp
400/225 hp
400/225 hp
** NOTE: Screw-in studs.



16, 62, 48

722, 9796722
16(Sm.valve)
62
16, 62
44




11, 47
11, 47
16 Sm. valve
16 Sm. valve
12 (M/T)
13 (A/T)

12

13
12 (M/T)
13 (A/T)

614

15
(GTO, GP,
and B-body)



94
99
96
98
66
197




7H1
7J2
7K3
7L4
7M5
7F6


46, 4C
46, 4C
4X, 4C
4X**
4X**
16, 485216**



46, 4C
46** (GTO)
46, 4C
4X, 4C
4X**4C (A/T)
4X**4C (M/T)
 

 

1964 (326 c.i.d.) #9773153
1964 (389 c.i.d.) #9773155
1964 (421 c.i.d.) #9773157
1965 (326 c.i.d.) #9778840
1965 (389 c.i.d.) #9778789

1965 (421 c.i.d.) #9778791
1966 (326 c.i.d.) #9778840
1966 (389 c.i.d.) #9778789
1966 (421 c.i.d.) #9778791 early
1966 (421 c.i.d.) #9782611 late

 

1967 (326 c.i.d.) #9786339
1967 (400 c.i.d.) #9786133
1967 (428 c.i.d.) #9786135
1968 (350 c.i.d.) #9790079
1968 (400 c.i.d.) #9790071
1968 (400 RA) #9792506
1968 (428 c.i.d.) #9792968

1969 (350 c.i.d.) #9790079
1969 (400 c.i.d.) #9790071
1969(400 RA IV) #9792506
1969 (428 c.i.d.) #9792968
1969 (303 c.i.d.) #546313
1969 (400 RA V) #9792968
1969 (400 RA V) #545887
 

 

1970 (350 c.i.d.) #9799916
1970 (400 c.i.d.) #9799914
1970 (400 RA III) #9799914
1970 (400 RA IV) #979991(5)
1970 (400 RA V) #481708
1970 (455 c.i.d.) #9799140
1971 (350 c.i.d.) #481990
1971 (400 c.i.d.) #481988
1971 (455 H.O.) #483677
1971 (455 c.i.d./late H.O.) #485428
1972 (350 c.i.d.) #481990
1972 (366 c.i.d.) #(485)212
1972 (400 c.i.d.) #481988
1972 (455 c.i.d.) #485428
1973 (350 c.i.d.) #488986

1973 (400 c.i.d.) #481988
1973 (455 c.i.d.) #485428
1973 (455-SD) #(490)132
1974 (350 c.i.d.) #488986
1974 (400 c.i.d.) #481988
1974 (455 c.i.d.) #485428
1974 (455-SD) #(490)132
1975 (350 c.i.d.) #488986
1975 (400 c.i.d.) #488986 early
1975 (400 c.i.d.) #500557 late
1975 (455 c.i.d.) #500813
1976 (350 c.i.d.) #488986
1976 (400 c.i.d.) #500557
1976 (455 c.i.d.) #500813
 

 

 

[Home] [About Us] [Catalog] [News] [Our Car Lot] [Our ATV stable] [Cool Pontiac pics] [engine numbers] [Advise Form] [FOR SALE] [Tech Articles]