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need a date code location for a 69 7029203 Carb

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Old Mar 22, 2007 | 08:46 AM
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Default need a date code location for a 69 7029203 Carb

so many numbers on this thing, not sure where the date code is. any pointers? thanks! Dave
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Old Mar 22, 2007 | 08:49 AM
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On the passenger side just in front of the choke diaphram. They run vertically.
Glenn
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Old Mar 22, 2007 | 01:13 PM
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hmm I dont see anything in that area.

are you talking about here?



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Old Mar 22, 2007 | 01:40 PM
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Originally Posted by Sacredgrooves
so many numbers on this thing, not sure where the date code is. any pointers? thanks! Dave

check this out ... not a very good picture, but may help --
http://cgi.ebay.com/ebaymotors/Quadr...spagenameZWDVW
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Old Mar 22, 2007 | 01:52 PM
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Originally Posted by Sacredgrooves
hmm I dont see anything in that area.

are you talking about here?



OOps-my bad! on the other side. check this link
http://www.recarbco.com/technical/rochester/qjet.html
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Old Mar 22, 2007 | 02:14 PM
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this is odd....mine has the 7029203 DY but does not have a set of numbers below that line.


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Old Mar 22, 2007 | 03:28 PM
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here's the breakdown

702=1960's
9=1969
2=Quadrajet
0=chevrolet
3 (odd#'s)=manual trans (even #'s=auto)
DY=Production plant code
There should be 4 more #'s after DY
Hope this helps
Glenn
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Old Mar 22, 2007 | 03:52 PM
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[QUOTE=Sacredgrooves;1559491667]this is odd....mine has the 7029203 DY but does not have a set of numbers below that line.

That is odd....
it should be 4 digits. the first 3 are julian date and the last one represents the year. for example: mine is 0935 which is 93 day of 1975 (roughly april 3rd) on a june build car.

steve
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Old Mar 22, 2007 | 04:13 PM
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[QUOTE=Sacredgrooves;1559491667]this is odd....mine has the 7029203 DY but does not have a set of numbers below that line.

check around the base ... 1968 and early '69 had the date stamped on the driver side edge toward the rear --- the stamping would be a horizontal stamp .... ???
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Old Mar 22, 2007 | 04:16 PM
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there is a horizontal 2787 at the base at the rear drivers side. what would that mean? thanks for the help everyone!
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Old Mar 22, 2007 | 04:21 PM
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Originally Posted by Sacredgrooves
there is a horizontal 2787 at the base at the rear drivers side. what would that mean? thanks for the help everyone!
278th day of 1967
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Old Mar 22, 2007 | 04:24 PM
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278=day of year built
7=year 1967 (I doubt 1977) because the other #'s show 1969
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Old Mar 22, 2007 | 04:28 PM
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ok, that number makes sense, but why would it be built in 67 when 7029203 is for a 69 carb? is that possible?
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Old Mar 22, 2007 | 04:43 PM
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Originally Posted by Sacredgrooves
ok, that number makes sense, but why would it be built in 67 when 7029203 is for a 69 carb? is that possible?
the numbers were hand stamped ... no, 1967 does not make sense. But it could be a factory stamping mistake ...?? 278th day is early October. maybe it was supposed to be 2788 and he ran out of 8's?? or it was supposed to be 2778 and he had a hangover ...?? Maybe the base was changed a long time ago ...??
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Old Mar 22, 2007 | 05:09 PM
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For reference here's a pic of my carb's number and date. This is the configuration you should expect to see on a production QJet. Note the date 0711 (seventy first day in 1971) along side the carb ID.
BTW, In the book "Corvette By The Numbers" it doesn't list a 7029203 for corvette production.

I believe Lars has a list of most if not all ID numbers and their application. You might want to pm him.


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Old Mar 22, 2007 | 05:25 PM
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7029203 was used in the base engine 69 corvette with 4spd. It was also used in a variety of other 69 smallblock chevys, ie chevelle, camaro, chevyII...

reference: http://www.blake.com/oemcarbs/chevy1.htm


However, I don't have a great memory for numbers, but that 7029203 might also be the number that was used in service replacement Qjets for many years, so that date code of yours could very well be 1977 (Definitely not 67!).
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Old Mar 22, 2007 | 05:37 PM
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It could be that your carb was sold over the counter as a service carb. I have a 7029207 carb that the previous owner of my car bought as a service replacement that has a date from the mid-70's. However, my service carb has the date stamped on the main body like gg82's picture and not on the base like yours and as most '68 and '69 original carbs were. Another possibility is that your carb was remanufactured and the base was switched with a base from an earlier carb.
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