D^2,
4966S is a C4-AVS carb used on all '71 440 engines; not just Imperial. In my
experience, all AVS's were square-bore. The Thermoquads came in '72 with
spreadbore.
Hope that helps.
Mark Evans
1963 Imperial Crown Convertible
http://www.imperialclub.org/~maevans/MyImperial/index.html
1968 Dodge Polara 500 Convertible
http://www.imperialclub.org/~maevans/MyPolara/index.html
----- Original Message -----
From: <dardal@xxxxxxxxxxxxxxx>
To: <mailing-list@xxxxxxxxxxxxxxxx>
Sent: Saturday, September 04, 2004 5:43 PM
Subject: IML: AVS part number?
> Does anybody know if the AVS 4966S is the spreadbore or the squarebore
version?
> Is this what the 70-71 Imperials had, or is it the high performance
version with
> the large size primaries?
>
> Thanks
>
> D^2
>
>
>
>
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