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Carter 4327s Edited SECONDARY venturi cluster question #1802708
04/13/15 09:45 PM
04/13/15 09:45 PM
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p d'ro Offline OP
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Should this have some plumbing coming out the bottom like newer Edelbrocks or should it be this way? It came off this way. Thanks pete
oops. Cant add pics from my cell? Will upload soon. Basically no piping coming out from bottom holes.

Last edited by p d'ro; 04/13/15 11:02 PM.
Re: Carter 4327s primary venturi cluster question [Re: p d'ro] #1802751
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has to have an emulsion tube and an idle jet tube.

Re: Carter 4327s primary venturi cluster question [Re: p d'ro] #1802787
04/13/15 10:42 PM
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So this is not good I assume. Maybe one tube out of large hole called acceleration tube? Neither had one??

4327s.jpg
Last edited by p d'ro; 04/13/15 11:03 PM.
Re: Carter 4327s primary venturi cluster question [Re: p d'ro] #1802871
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i don't see a secondary discharge nozzle,...? or a secondary well tube,...?

Re: Carter 4327s primary venturi cluster question [Re: p d'ro] #1802919
04/14/15 12:08 AM
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This is my first old afb so I didnt realize any issue when i took it apart. Everything was crusted but I dont know if someone previously modified it. If it is wrong i dont think there is a source for replacements. Bummer.

Re: Carter 4327s primary venturi cluster question [Re: p d'ro] #1803149
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see if you can find a "parts" edelbrock 1405 and use the secondary clusters out of it.

Re: Carter 4327s primary venturi cluster question [Re: lewtot184] #1803168
04/14/15 12:54 PM
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Originally Posted By lewtot184
see if you can find a "parts" edelbrock 1405 and use the secondary clusters out of it.

Wow, thanks for the tip. I did not know they were interchangeable. I have a 750 performer on my car now. I wonder if that would work?

Re: Carter 4327s primary venturi cluster question [Re: p d'ro] #1803249
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the clusters are the brains. the carb body's on the majority of those afb's are the same. chrysler had a couple of versions that were a little different. what you have is of the more conventional style. anyhow, the 750 clusters should screw in and work. they're basically the same carb. the 750's are jetted quit a bit richer than a stock carb but that's easy to deal with. the only hitch would be the air bleed sizes but i don't think thats a major problem.

Re: Carter 4327s primary venturi cluster question [Re: p d'ro] #1803279
04/14/15 02:52 PM
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Thanks. I will give it a shot. Don't really have another choice. I have an A/F meter so I will know if it isn't right. Just put an ad in engines want ad section for junk Eddy!

Re: Carter 4327s primary venturi cluster question [Re: p d'ro] #1803811
04/15/15 12:07 AM
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I was told by the seller of my rebuild kit that some AFB secondary venturis did not have down tubes. Has anyone else seen this?

Re: Carter 4327s primary venturi cluster question [Re: p d'ro] #1803903
04/15/15 01:36 AM
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I'd have to look at my stash of carbs, but AFBs came in two styles. Those with a weighted air valve in the secondary and those without. In my experience RB motors had carbs without the air valve. The secondary clusters were completely different on the two styles.

Re: Carter 4327s primary venturi cluster question [Re: p d'ro] #1803984
04/15/15 06:49 AM
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Originally Posted By p d'ro
I was told by the seller of my rebuild kit that some AFB secondary venturis did not have down tubes. Has anyone else seen this?


Very possible, I'd try the carb first before swapping parts about. Carter made several hundred different AFB's for OEM applications over time.




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Re: Carter 4327s primary venturi cluster question [Re: p d'ro] #1804045
04/15/15 10:56 AM
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Originally Posted By p d'ro
I was told by the seller of my rebuild kit that some AFB secondary venturis did not have down tubes. Has anyone else seen this?
i don't know how they could draw fuel out of the well without a tube. pm 62maxwagon for some details. he has parts and refurbishes carbs. he'll probably know.

Re: Carter 4327s primary venturi cluster question [Re: lewtot184] #1804083
04/15/15 12:28 PM
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Originally Posted By lewtot184
i don't know how they could draw fuel out of the well without a tube. .


Tube is mostly for emulsion since it has holes in the sides, the vacuum from the booster venturi would have no problem sucking the fuel up from the well.




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Re: Carter 4327s primary venturi cluster question [Re: gdonovan] #1804095
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Originally Posted By gdonovan
Originally Posted By lewtot184
i don't know how they could draw fuel out of the well without a tube. .


Tube is mostly for emulsion since it has holes in the sides, the vacuum from the booster venturi would have no problem sucking the fuel up from the well.
how does the carb siphon fuel if nothings in the fuel supply? can you sip a coke thru a straw without the straw in the coke? maybe i'm missing something here and somebodys going to have to draw me a picture?

Re: Carter 4327s primary venturi cluster question [Re: p d'ro] #1804100
04/15/15 12:47 PM
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The tube is the hole in the casting. The brass tubes you think are siphoning fuel are not there for that purpose. They are there to mix air with the fuel (emulsion). To use your Coke analogy it's like sipping Coke with a hole in your straw.


They say there are no such thing as a stupid question.
They say there is always the exception that proves the rule.
Don't be the exception.
Re: Carter 4327s primary venturi cluster question [Re: p d'ro] #1804130
04/15/15 01:23 PM
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Gotcha, so do you think this carb came stock without them? Obviously there is no way I will get the original Carter diagram of the 4327s..

If anyone has a junk 1967 Carter 4326 or 4327 AFB sitting around that they would split and check for me, I will find a monk that will grant you total consciousness on your deathbed...

Re: Carter 4327s primary venturi cluster question [Re: p d'ro] #1804139
04/15/15 01:37 PM
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I forget, it has been almost 30 years since I fooled with an old AFB, I run the E brock version these days. Someone with the FSM for your year/model might be able to look at the carb section and answer.


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They say there is always the exception that proves the rule.
Don't be the exception.
Re: Carter 4327s primary venturi cluster question [Re: p d'ro] #1804176
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Originally Posted By p d'ro
Originally Posted By lewtot184
see if you can find a "parts" edelbrock 1405 and use the secondary clusters out of it.

Wow, thanks for the tip. I did not know they were interchangeable. I have a 750 performer on my car now. I wonder if that would work?


I wouldn't , you'll be potentially transferring the reason that particular carb is a POS to the replacement carb.

Re: Carter 4327s primary venturi cluster question [Re: JohnRR] #1804368
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Originally Posted By JohnRR
Originally Posted By p d'ro
Originally Posted By lewtot184
see if you can find a "parts" edelbrock 1405 and use the secondary clusters out of it.

Wow, thanks for the tip. I did not know they were interchangeable. I have a 750 performer on my car now. I wonder if that would work?


I wouldn't , you'll be potentially transferring the reason that particular carb is a POS to the replacement carb.
????

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