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Need Help with Holley Date Codes & List #'s , Please #940234
02/28/11 10:35 PM
02/28/11 10:35 PM
Joined: Feb 2011
Posts: 25
Washington state, USA
vandude Offline OP
member
vandude  Offline OP
member

Joined: Feb 2011
Posts: 25
Washington state, USA
Last summer I picked-up a box of 8 Holley carbs at an estate sale ($30) 6 of which were in various stages of disassembly, with 4 extra fuel bowls, but 3 missing throttle blades.

5 are single pump 4-bbls, and I'm sure the 3 2-bbls are mopar six-pack carbs. The lady running the sale said her dad was a Dodge/Plymouth muscle car fanatic and thought maybe they were muscle car carbs that had just worn-out.

2 of the carbs were universal models, a 1850-3 600cfm , and a 3310-2 750cfm that's now on my van (pictured below). I just can't find any of the other list numbers in any sources.




Does anyone know of a better index than the one on Holley's site?

Also, does anybody know how to decipher the date codes?
The date & list codes are shown below.

4-bbl carbs:
date 1389
list-1850-3

date 1375
list-3310-2

date 3149
list-4366

date 3125
list-4367

date 3348
list-7009-1

2-bbl carbs:
date 3009
list-4375

date 3249
list-4382 (middle carb)

date 3249
list-4383

ANY help is very much APPRECIATED !!

Re: Need Help with Holley Date Codes & List #'s , Please [Re: vandude] #940235
03/01/11 01:57 AM
03/01/11 01:57 AM
Joined: Jan 2003
Posts: 42,714
Spokane Washington
ScottSmith_Harms Offline
Mr Wizzard
ScottSmith_Harms  Offline
Mr Wizzard

Joined: Jan 2003
Posts: 42,714
Spokane Washington
Quote:

2-bbl carbs:
date 3009
list-4375

date 3249
list-4382 (middle carb)

date 3249
list-4383





1970 440+6 Manual transmission - matched set

Quote:

date 3149
list-4366

date 3125
list-4367





4366 is a replacement carb for a 1970 440+4 Auto transmission big car (PDCY Body)
4367 is a 1970 383 Manual trans with or without A/C

Quote:

4-bbl carbs:
date 1389
list-1850-3

date 1375
list-3310-2

date 3348
list-7009-1




1850-3 is an aftermarket Holley vac secondary 600 cfm carb used on many mild street engines.
3310-2 is an aftermarket Holley vac secondary 780 cfm carb ued on moderate street strip performance engines.
7009-1 is a replacement 1973 Mopar application Holley 4 Barrel

*Date codes: First 3 digits are the day of the year, last digit is the year.

Re: Need Help with Holley Date Codes & List #'s , Please [Re: ScottSmith_Harms] #940236
03/01/11 07:02 AM
03/01/11 07:02 AM
Joined: Feb 2011
Posts: 25
Washington state, USA
vandude Offline OP
member
vandude  Offline OP
member

Joined: Feb 2011
Posts: 25
Washington state, USA
Wow! Thanks for the super-fast response, and for sharing your experteise Dude!

Not sure what I'll do with the carbs, but figured if I could get one good carb out of all the parts (which I did), it was worth the $30 price.







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