Re: [Chrysler300] 1962 383 Carter Carb

I've had the AVS on a couple cars and it's a great carb. The Thermoquad works well when you have a good one, but the phenolic center tends to warp. Carter had that problem when they were new and a local shop had the contract to grind the ones that failed inspection at the factory. They kept one guy busy or quite a while. I've had them on a few cars and I love them, but they aren't for everyone. There's a lot of bad used ones out there and they don't make new ones.. You would also need a spread bore (small primary/large secondary) manifold like on the 400 engines.

A new carb is a safer bet. The Edelbrock AVS or AFB is a good choice. I've had an Edelbrock AFB apart and it's pretty much the same carb as the old Carter except it says Webber on it. Webber builds them for Edelbrock.

Of course, if you want simple, there's always a vacuum secondary Holley.

On Thursday, May 7, 2020, 06:38:32 PM EDT, 'John Grady' jkg@xxxxxxxxxxxxxxxxx [Chrysler300] <chrysler300-noreply@xxxxxxxxxxxxxxx> wrote:

Agree totally with Ray…AFB runs ok, but always seems to be under 15 mpg. AVS was from emissions period, much tighter overall quality control , Edelbrock gave it a performance tune—smart –probably partially motivated by hassles with AFB. ; Thermoquad even better, but they are like Rochester I believe, two small and two huge bores.

Just off the pain of worn throttle shafts on old used carbs. A kit won’t fix that.

From: Chrysler300@xxxxxxxxxxxxxxx [mailto:Chrysler300@xxxxxxxxxxxxxxx] On Behalf Of Ray Jones 1970hurst@xxxxxxxxx [Chrysler300]
Sent: Thursday, May 07, 2020 4:30 PM
To: Matt Allyn
Cc: Chrysler 300 List; Ray Jones
Subject: Re: [Chrysler300] 1962 383 Carter Carb

Matt;

I've read in the past that the very best 4 bbl is the AVS style. This was on the 440 in the 70 Hurst cars.

Edlebrock is reissuing these and they are in the $400. range. Based on your engine and what cam and such, you select the cfm that you need, from 600 to too many.

I think in the long run you would be better off with a new carb, better suited to your needs. With what I've seen of the costs of rebuilding on old one, nicely done, costs are about the same.

Check it out and let me know your thoughts.

Ray

On Wed, May 6, 2020 at 10:40 PM Matt Allyn allynentertainment@xxxxxxxxx [Chrysler300] <Chrysler300-noreply@xxxxxxxxxxxxxxx> wrote:

I am need of a Carter AFB 4 Barrel for my 383 build.

I have a 1963 factory intake.

This is going to live on a 383 block under the hood of my 1962 300 Sport.

Anyone have one for sale?

Would be interested in the heat riser part that lie in the chock pot as well.

I may also need a stock air cleaner..

I have a lead on an already rebuilt Carter 3253S...but am awaiting more details.

Thanks!

Matt Allyn

--

Ray Jones. Y'all come on down an see us. Ya hear?

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Posted by: John Sager <cleanthegarageout@xxxxxxxxx>

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