Another Carb Question

[67Survivor!]

Happy New Year!!
I'm looking for a carb (w/choke) for my stock '67 GTX. I just plan to cruise (and occasionally mash the pedal!). It's an automatic. I'm not a carb guy, so go easy on me, please!

 

[turbine68rt]

1906 avs2

 

[67Survivor!]

Is that a direct bolt on? No adapters for manifold or linkage?

 

[turbine68rt]

Yes, you'll need an Edelbrock #1481 throttle lever adapter.

 

[R/T Boy 67]

Unless you use an original mopar carb, you will need a throttle adapter. They are available for holley and edelbrock carbs. If you have the original air cleaner it will not fit on a newer carb as the hole in the base is too small. You would need the base from a 68 up air cleaner, or an after market one.

 

[67Survivor!]

Yes, you'll need an Edelbrock #1481 throttle lever adapter.

Thanks!

 

[Jerry Hall]

A Carter 4327S is the correct carburetor for your car.

 

[Geoff 2]

Agree, 1906 EDel. Exc choice, bolts on without spacers/adapters.

 

[BSB67]

A Carter 4327S is the correct carburetor for your car.

I really like the 4327 and 4326 carbs.

To the OP, if you have the original 4327 (unless it’s a Calf. Car) and it’s not working for you, find someone who can make it work. If you don’t have the original carb, they are a bit of a challenge to find complete and rebuildable. They do come up from time to time.

 

[67Survivor!]

I have the original carb.

 

[RJRENTON]

A Carter 4327S is the correct carburetor for your car.

Just rebuild it or send it to a a specialist like:

Woodruff Carburetor Specialties for all of your carburetor restoration needs. At Woodruff Carburetor Specialties we specialize in a variety of auto repair services, including carburetor restoration, carburetor rebuild, and carburetor performance services. Visit us at: Woodruff Carburetor Specialties. He's a site sponsor plus offers a discount.

Not exactly sure of the infatuation with Edelbrock (aka "Eddy") AVS2. The AVS2 is a basterazation or hermaphrodite of the origional Carter AVS. The AVS2 has "down leg secondary booster venturii assemblies" BELOW the air valve blade, different from the original design of straight downward pointing discharge nozzles (better air flow). The AVS2 offers additional venturi assemblies, that are reputed to have annular discharge features. The origional carb was Carter AFB design, of which Carter built millions of them....reliable, easy to tune, many parts are available, plus it's origional to your car. If this is important, get the otigional rebuit. If not, an origional Carter AVS could/should be considered.....and all accessories fit and function, with the exception of the air filter, which has a 5-1/4" dimension; the origional AFB carb has a 4-7/8" dimension. The choice is yours.....personally, I like the origional look. .....or you can join the EDELBROCK AVS2 faction....and shoe maker the installation. Others will definitely offer their opinions......just my opinion of course.....
BOB RENTON

 

[67Survivor!]

Thanks Bob! I'm weighing all of my options.

 

[Geoff 2]

The 'infatuation' with the Edel AVS2 design is because....they work!!!

The Edel modification to the original AVS design of [ Edel ] using venturiis in the secondaries......was a PLUS. That is because the Carter AVS had specifically placed holes along the length of the secondary discharge tubes, which varied in number, position & hole size. Left side was different to right side. These were specifically calibrated carbs for EACH engine they were used on. Change something such as cam or intake etc, & the calibration goes out the window. Adding sec venturiis gives the carb more tuning abilities as a universal design. A plus.

 

[66 Sat]

Just rebuild it or send it to a a specialist like:

Woodruff Carburetor Specialties for all of your carburetor restoration needs. At Woodruff Carburetor Specialties we specialize in a variety of auto repair services, including carburetor restoration, carburetor rebuild, and carburetor performance services. Visit us at: Woodruff Carburetor Specialties. He's a site sponsor plus offers a discount.

Not exactly sure of the infatuation with Edelbrock (aka "Eddy") AVS2. The AVS2 is a basterazation or hermaphrodite of the origional Carter AVS. The AVS2 has "down leg secondary booster venturii assemblies" BELOW the air valve blade, different from the original design of straight downward pointing discharge nozzles (better air flow). The AVS2 offers additional venturi assemblies, that are reputed to have annular discharge features. The origional carb was Carter AFB design, of which Carter built millions of them....reliable, easy to tune, many parts are available, plus it's origional to your car. If this is important, get the otigional rebuit. If not, an origional Carter AVS could/should be considered.....and all accessories fit and function, with the exception of the air filter, which has a 5-1/4" dimension; the origional AFB carb has a 4-7/8" dimension. The choice is yours.....personally, I like the origional look. .....or you can join the EDELBROCK AVS2 faction....and shoe maker the installation. Others will definitely offer their opinions......just my opinion of course.....
BOB RENTON

Bob, you really need to fix your spell checker. Origional/Otigional doesn't cut it for a man as precise as you.

 

[RJRENTON]

Bob, you really need to fix your spell checker. Origional/Otigional doesn't cut it for a man as precise as you.

Thank you for pointing this out ...a lot of these communiques are via the phone...AND ...the best spell check feature is the send button..then it's too.late....and in addition, "fat fingering" a key or two is also a real possibility...I'll try and do better....
BOB RENTON

 

[AR67GTX]

I ran an Edelbrock 800 AFB (model 1413) I think and thought I had it running pretty good after going through it and getting the jetting back close to stock. But the I found an original 4327S and had a full restoration done to it and put stock jetting in it. Not sure about full throttle power but the 4327 seems smoother and more responsive to throttle changes in everyday driving than the 800 cfm Edelbrock. I’ve read the 800 series carbs are not ideal for the street and tend to run rich so the 750 cfm models might perform a bit better on the street. But the Carters sure look good too, all restored.

 

[RJRENTON]

The 'infatuation' with the Edel AVS2 design is because....they work!!!

This is a matter of opinion. The Edelbrock AVS2 was created for one purpose.....to sell aftermarket products. With electronic fuel injection becoming more prominent, albeit a more complicated and expensive system, a niche was created. With a lower cost and a one on one installation, all shiny and chrome looking, thousands of guys said: "I've got to get this because it looks cool".....a classical example of marketing creating a "need".

The Edel modification to the original AVS design of [ Edel ] using venturiis in the secondaries......was a PLUS. That is because the Carter AVS had specifically placed holes along the length of the secondary discharge tubes, which varied in number, position & hole size. Left side was different to right side. These were specifically calibrated carbs for EACH engine they were used on. Change something such as cam or intake etc, & the calibration goes out the window. Adding sec venturiis gives the carb more tuning abilities as a universal design. A plus.

The 'infatuation' with the Edel AVS2 design is because....they work!!!
The Edel modification to the original AVS design of [ Edel ] using venturiis in the secondaries......was a PLUS. WHY?? ....BECAUSE THEY SAID SO?. That is because the Carter AVS had specifically placed holes along the length of the secondary discharge tubes, which varied in number, position & hole size. Left side was different to right side. WHY IS THIS WRONG?? These were specifically calibrated carbs for EACH engine they were used on. SO WHAT?? THE CARB WAS CALIBRATED TO MOPAR's RREQUIREMENT BY YEAR. Change something such as cam or intake etc, & the calibration goes out the window. CHANGING HARDWARE (manifold and or cam) WILL REQUIRE TUNING/RETUNING, REGARDLESS OF THE CARB USED. Adding sec venturiis gives the carb more tuning abilities as a universal design. A plus. NOT NECESSARILY....SHOW US US YOUR DOCUMENTATION THAT SUPPORTS THIS PREMISE.....NOT THE EDELBROCK STANDARD BOILER PLATE MARKETING LANGUAGE. ADDING COMPONENTS IN THE AIR STREAM (SECONDARY BOOSTER VENTURII PLUS THE AIR VALVE PLATE) CREATES AN ADDITION OBSTRUCTION TO THE OVERALL AIR FLOW AND MUST BE OVERCOME BY A HIGHER DIFFERENTIAL PRESSURE DROP TO ADD A FUEL INTRODUCTION POINT....
YOUR INFORMATION IS INCORRECT AND BASICALLY UNFOUNDED, BUT A PAGE FROM THE EDELBROCK ADVERTISING LITERATURE. IF YOU PREFER THE EDELBROCK AVS2....GREAT....I'LL CHOOSE THE ORIGIONAL AFB OR LATER, THE ORIGIONAL AVS CARB.
Just my opinion of course......
BOB RENTON

 

[turbine68rt]

From a personal standpoint, I use an avs2 for local shows and cruising in order to preserve the highly restored original 4429 used only for shows such as Carlisle. Best of both worlds. Believe me, I'm all for correctness.

 

[66fs]

If you have an original AFB for that HP 440, they are around 750 cfm. In my opinion, It would be hard to get a better carb. The 4327s was calibrated from the factory for your engine and transmission and when up to snuff are hard to beat. Original Carters had 3 step rods instead of 2 step universal rods, to ensure the right mixture at all rpm. Idle, cruise, and WOT.

 

[Geoff 2]

Bob,
Wrong again, as usual, post #17, with your BS: adding an obstruction to airflow such as a venturi will result in the air velocity increasing which will lower pressure drop to initiate fuel flow, NOT REQUIRE A HIGHER pressure drop.
My comments are based on experience & knowledge. Please tell us about Edelbrock's 'boiler plate marketing' because I have no idea what that is.....

Using your 'logic'.... the Edel AVS carbs that has sec venturiis [ we need to include the Holley 780 carb here that you like so much because it has venturiis ] has less versatility than a Carter AVS [ with specifically numbered & located holes in the sec discharge tubes per engine ] being used on an engine other than it was designed for...