General Category > Quadrajet Carb Talk and Tips

later service replacement carb numbers

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unruhjonny:
I am subscribed on a thread over on PY in which the value of a SR '73 SD carb (#17053910) is discussed, and I was wondering what other SR carbs/numbers are out there, to which I got this reply;


--- Quote ---There were only a single SR part number per car..No manual tranny numbers were ever made in SR system. All SR carbs will have the auto number...
--- End quote ---

Then this morning I cam across this SR carb, and it looks to be a replacement for a '71 Pontiac (#17054907), albeit, it's missing the choke mechanism;

http://www.ebay.com/itm/191088657924?_trksid=p2055119.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT

now, I wrote that I theorized that these replacement carbs utilized the 1705 because fo the later fuel bowl, and them being for a 1970's application - which might be totally wrong;
But this '71 carb has me confused on two points;
1) the "year" indicated 1974
2) the last digit is an uneven number, which would have me think that it should be a manual transmission application, while the above quote suggests that only "auto" part numbers were issued...

Could someone please shed some light on this for me?

Could someone please share a list of these latter service replacement numbers, and their "correct" application?

I could have sworn my cousin used to have an NOS 17053911 - which I inderstood to be another SD application...
That puts the "known to me" SR carb numbers at:
17053910 = 1973 SD455
17054907 = 1971 ???
17053911* (could have been a 17054911) = 197? ???

Thanks in advance for offering to share insight. :D

Ethan1:
 Carb 17054907 and 17054911 were indeed SD455 Service Replacement carbs. There were probably others as well. Cliff would probably know more.

unruhjonny:

--- Quote from: Ethan1 on March 06, 2014, 12:41:27 PM --- Carb 17054907 and 17054911 were indeed SD455 Service Replacement carbs. There were probably others as well. Cliff would probably know more.

--- End quote ---

Maybe I'll wati to see if he chimes in here;
the 17054907 in question is a divorced choke, and has the 1971 throttle braket;
based on the combination of:

* 1971-1974 style carb top
1972 & prior 4MV divorced choke setup
1971 & prior baseplate
* I would have guessed that it should be a service replacement for a 1971 4MV carb - NOT a 1973/4 4MC

Ethan1:

--- Quote from: unruhjonny on March 06, 2014, 01:38:52 PM ---Maybe I'll wati to see if he chimes in here;
the 17054907 in question is a divorced choke, and has the 1971 throttle braket;
based on the combination of:

* 1971-1974 style carb top
1972 & prior 4MV divorced choke setup
1971 & prior baseplate
* I would have guessed that it should be a service replacement for a 1971 4MV carb - NOT a 1973/4 4MC

--- End quote ---

 FWIW, carb 17054907 is a Service Replacement for carb 7041262. Which is a '71 model year carb.

unruhjonny:
ok, that make ALOT more sense - thanks!

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