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Quadrajet ID


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#1 _martyn1960_

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Posted 12 January 2012 - 05:39 PM

Can anyone help me identify what my quadrajet was originally fitted to;
stamped on carby- 17059594 underneath 0679 COC

#2 _abtorana_

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Posted 13 January 2012 - 11:07 AM

Try using this


not sure where i found this ,thought it came from this site somewhere


cheers



Rochester Number decoding Example: # 7028213 DG 1938


7028213


Prefix code. "70" will appear on all late '60's Rochester Carburettors. 76 and later will start with "170" 2 - Decade produced. 702- 1960's 703 - 1960's with A.I.R. 704 - 1970-1975 1705 - 1976-1979 1708 - 1980's


7028213


Year produced. 8 = 1968 If the number was 7045219 then 5 = 1975


7028213


Model 0 - Monojet (1 bbl) Federal standards 1 - Two jet (2 bbl) Federal standards 2 - Quadrajet (4 bbl) Federal standards 3 - Monojet (1 bbl) California standards 4 - Two jet (2 bbl) California standards 5 - Quadrajet (4 bbl) California standards 6 - VariJet (2 bbl) Fed


7028213


- Division. 0, 1, and 2 all indicate Chevrolet. 4 - Buick 5 - Olds 6,7 – Pontiac


8 – General Motors Holden [not until HT]


7028213


- Transmission Even numbers - Automatic Transmission Odd numbers - Manual Transmission


DG


Production Plant Code.


1938


Date Code 193 = 193 rd Day of the year


1938


8 = Year



#3 yel327

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Posted 13 January 2012 - 12:01 PM

It isn't a number I am familair with, very close to blue V8 number though, but not.

#4 _martyn1960_

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Posted 14 January 2012 - 07:16 AM

I was thinking blue but not sure if it is 4.2 or 5 litre

#5 yel327

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Posted 14 January 2012 - 10:41 AM

Blues appear to be 17059595 CXK and 17059596 CXL but it is possible it is off an auto blue 4.2.

#6 _martyn1960_

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Posted 15 January 2012 - 05:04 PM

Yeah I'm thinking 4.2 too; pity just stripped it, cleaned and re-kitted the carb too. Need 5 litre QUAD so I will ofload this one I guess

#7 yel327

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Posted 16 January 2012 - 05:49 AM

Carbs are basically the same between 4.2 and 5.0 except for (from memory) the primary metering rods, you shouldn't have any dramas getting 5.0L rods. Get the code off the rods and give it to me and i'll look up what you have. The difference between auto and manual is the manual only has a ported vaccuum port for vacuum advance, auto carb has a full vacuum port so you can use an auto carb on a manual car but not vice versa, so you are OK as the carb you have is an auto carb.

#8 _martyn1960_

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Posted 16 January 2012 - 07:43 PM

Cheers yel327 I will have a look at the metering rod code numbers and let you know.




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