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(Pic) Quadrajet Date code?

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Old Feb 26, 2007 | 11:07 AM
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Default (Pic) Quadrajet Date code?

Quadrajet 7029207 2836.

Based on this website (http://www.carburetion.com/quadnumber.htm) I am guessing that the date code for this carb (see pic of an ebay carb below) is the 283rd day of 1976?

The Quadrajet carb on my 69 L-46 is 7029207 2115. So, was it manufactured on the 211th day of 1975? Meaning it was purchased over the counter after its production date of 1975 and put on my car?

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Old Feb 26, 2007 | 03:35 PM
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They made them in the 80's as well, and into the 90's. Not sure when in the 90's it ended.

So to answer your Q. yes you are correct with the date de-coding, but include the 80's 90's references I made
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Old Feb 26, 2007 | 07:30 PM
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Originally Posted by dennis
They made them in the 80's as well, and into the 90's. Not sure when in the 90's it ended.

So to answer your Q. yes you are correct with the date de-coding, but include the 80's 90's references I made
Oh wow, I didnt know that. Thanks for the info. So is there anyway to tell what decade it was made in?
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Old Feb 28, 2007 | 04:20 PM
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Sometime in the 70's they put a '1' in front... so i would think these are from the 60's...
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Old Mar 16, 2007 | 10:43 PM
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They way I read that carb number according to the website is as follows: 7029207

702-60's
9-9 therefore 1969
2-4bbl
0-Chevrolet
7-odd number manual trans

2836 283rd day of 6???
The last part makes no sense I don't see a plant code "DG" preceeding it.
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Old Mar 17, 2007 | 04:53 PM
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This carb number was sold as a service carb for sale over the counter. That's why the date codes and the part number don't seem to agree.
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Old Mar 19, 2007 | 09:22 AM
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Originally Posted by mvftw
Sometime in the 70's they put a '1' in front... so i would think these are from the 60's...
I think I read somewhere that the "1" in front of the regular number indicates a Q-jet made by Carter under license to Rochester.

Don't quote me on that.

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Old Mar 24, 2007 | 12:41 AM
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date codes are awful huh?

Last edited by wildman378; Aug 4, 2007 at 12:23 PM.
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Old Mar 28, 2007 | 05:48 PM
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OK, I have a 1972 with a 454 and manual trans. My Quadrajet is a 7042217 which is all ok so far. Under this number there is no date code as per the carb website. Mine says:

7042217
M1 o FF

What does the second part mean?
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Old Mar 28, 2007 | 11:10 PM
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How about this 7028209 FG carb for a '68 390 hp 427 manual? Look a little funny? The seller claims he had to wait for Paragon to get it for him, so he is sure it is real, but it looks like a restamp to me. Compare to the second picture from the NCRS TDB that the guy posting it claims is real.

eBay Item number: 280096982143


http://www.ncrs.org/forum/tech.cgi/frames/read/278638
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Old Apr 19, 2007 | 08:11 AM
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Originally Posted by Easy Mike
I think I read somewhere that the "1" in front of the regular number indicates a Q-jet made by Carter under license to Rochester.

Don't quote me on that.

Carter manufactured Rochester carbs used an alphanumeric date code system (i.e. D2 for April, 1972). Rochester manufactured Rochester carbs used the julian date code system (i.e. 2112 for 211th day of 1972).
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Old Apr 24, 2007 | 01:24 AM
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Originally Posted by easyasone2three
OK, I have a 1972 with a 454 and manual trans. My Quadrajet is a 7042217 which is all ok so far. Under this number there is no date code as per the carb website. Mine says:

7042217
M1 o FF

What does the second part mean?
You have a Quadrajet made by Carter. On about 1969 and later they used "M1" as month/year date code in your case December 1971.
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