Holley Carburetor Numerical Listing (Requires Adobe
Reader).
[ Camaro
] | [ Chevelle ] | [
Chevy II/Nova ] | [
Corvette ]
| Holley Three-Digit
Date Codes - Through 1972 |
|
1st Digit
|
2nd Digit
|
3rd Digit
|
| Stamp |
Year |
Stamp |
Month |
Stamp |
Week |
| 4 |
1964 |
1 |
January |
1 |
1st
week |
| 5 |
1965 |
2 |
February |
2 |
2nd
week |
| 6 |
1966 |
3 |
March |
3 |
3rd
week |
| 7 |
1967 |
4 |
April |
4 |
4th
week |
| 8 |
1968 |
5 |
May |
5 |
5th
week |
| 9 |
1969 |
6 |
June |
|
|
| 0 |
1970 |
7 |
July |
|
|
| 1 |
1971 |
8 |
August |
|
|
| 2 |
1972 |
9 |
September |
|
|
| |
|
0 |
October |
|
|
| |
|
A |
November |
|
|
| |
|
B |
December |
|
|
|
Holley Four-Digit Date Codes - 1973 and later
|
|
First Three Digits
|
Fourth Digit |
|
Julian Date Stamp |
Month |
Year |
| Regular
Year |
Leap
Year |
|
Stamp |
Year |
| 001-031 |
001-031 |
January |
3 |
1973 |
| 032-059 |
032-060 |
February |
4 |
1974 |
| 060-090 |
061-091 |
March |
5 |
1975 |
| 091-120 |
092-121 |
April |
6 |
1976 |
| 121-151 |
122-152 |
May |
7 |
1977 |
| 152-181 |
153-182 |
June |
8 |
1978 |
| 182-212 |
183-231 |
July |
9 |
1979 |
| 213-243 |
214-244 |
August |
0 |
1980-1990 |
| 244-273 |
245-275 |
September |
1 |
1981-1991 |
| 274-304 |
276-305 |
October |
2 |
1982-1992 |
| 305-334 |
306-335 |
November |
|
|
| 335-365 |
336-366 |
December |
|
|
|


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