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Holley
Carburetor Numerical Listing (Requires Adobe Reader).
Data are taken from GM's Information Kit for each
applicable year.
Year |
Engine Specifics |
GM Model # |
Holley List
# |
1964 |
327 365 hp |
3849804 |
R2818A |
1965 |
327 365 hp
|
3849804
|
R2818A
|
|
396 425 hp |
3868823 |
R3124A |
1966 |
427 425/450 hp |
3886101 |
R3247A |
|
327
300/350 hp |
3884505 |
R3367A |
|
427 390 hp |
3882835 |
R3370A |
|
327 300/350 hp
w/A.I.R |
3890499 |
R3605A |
|
427 390 hp w/A.I.R. |
3892341 |
R3606A |
1967 |
427 430 hp (L88) |
n/a |
R3818A |
|
427
400/435 hp front/rear carburetor |
3902353 |
R3659A |
|
427 400/435
hp center carburetor, manual transmission |
3902355 |
R3660A |
|
327
300/350 hp |
3906631 |
R3810A |
|
327 300/350 hp w/A.I.R. |
n/a |
R3814A |
|
427 390
hp |
3906633 |
R3811A |
|
427 390 hp w/A.I.R. |
n/a |
R3815A |
|
427 400 hp center
carburetor, automatic transmission |
3902355 |
R3888A |
|
|
|
|
1968 |
427 400 hp, center
carburetor, manual transmission 427 400 hp,
front/rear carburetors, manual transmission
427 400 hp, center carburetor, automatic
transmission 427 400 hp, front/rear
carburetors, automatic transmission 427 435 hp, center carburetor
427 435 hp, front/rear carburetors |
3925517
3902353 3925516 3902353 3925517 3902353 |
List numbers not shown |
1969 |
427 400/435 hp,
front/rear carburetors 427 400/435 hp, center
carburetor, manual transmission 427 400 hp,
center carburetor, automatic transmission 427
390 hp, first design 427 430 hp, second
design |
3902353
3940929 3940930 3925519 3955205 |
R3659A
R4055-1A R4056-1A R4054A R4296A |
1970 |
350 370 hp, evaporative
emission control 350 370 hp |
3792123
3792121 |
R4489A
R4555A |
1971 |
350 330 hp 454 425 hp,
manual transmission 454 425 hp, automatic
transmission |
3989021
3986195 3986196 |
R4801A
R4802A R4803A |
1972 |
350 255 hp |
3999263 |
R6239A |
|
|
|
|
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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