AVS back in production

["Wm. R. Ulman" <twolaneblacktop@xxxxxxxxx>]

The number on the tag of my carb Indicates it is a '68 model AVS, it has
only one adjustment screw that both my expert MOPAR mechanic, and a good
friend (who rebuilt it, and said I really needed new metering rods, but
we can't get any for it) cannot get it to work properly.  The car runs
much better with it rebuild, a new distributor, tune up, but still rich,
and sluggish.  Much worse than when I bought the car 2 1/2 years ago.
The place where the adjustment screws should be are factory plugged, and
I have been told there is nothing to be done about it, the cost would be
prohibitive.  So now, I have accepted that I need to spend more money I
don't have, and get a new carb.  Which one, AFB, or AVS.  I loved my AFB
on both my '63 Custom, and '60 Crown Conv., both long sold now.  Once
again, it turns out that the engine in my '66 is a '74 HP 440, built in
May of '72 (God knows why), a '67 manifold, and the whacky '68 AVS.
Which carb would be best, what CFM for daily driving, that gives the
most punch, and better than the 6 mpg I get now (8-10 on the open road,
woo, woo!)  Also, in the big picture, I want to rebuild this
decompressed, low hp, post 1970 engine to at least the proper spec's of
a '66 440 with the proper hp.  I know that at some point they switched
cranks, I don't know which would be in my engine, or which it should be
when it is rebuilt.  I hope this all makes sense, and any advise is
truly appreciated.

I guess I could try to buy a '66-'70 Chrysler with a 440 in it and
verify it is the original engine, rebuild it and swap it into my Crown
Convertible, than sell the Chrysler, but I hope I can rebuild mine to
it's true pre '71 glory hp days!

Thanks
Bill Ulman
'66 Crown Conv.
Seattle, WA


-----Original Message-----
From: mailing-list-owner@xxxxxxxxxxxxxxxx
[mailto:mailing-list-owner@xxxxxxxxxxxxxxxx] On Behalf Of Rob P
Sent: Thursday, March 06, 2003 9:26 AM
To: mailing-list@xxxxxxxxxxxxxxxx
Subject: RE: IML: AVS back in production


Apparently Bill's problem is that his AVS has no adjustments. It's
factor 
set or something. I've never heard of this and I thought they only did
that 
with the later emission control carbs. Mid 70s-early 80s. I would assume

when they rebuilt it they could have restore the adjustability. That's
why 
he wants a replacement.
Rob






>From: Elijah Scott <imperial1971@xxxxxxxxx>
>--- "Wm. R. Ulman" <twolaneblacktop@xxxxxxxxx> wrote:
> > So, give a choice which would people on this list
> > prefer?  I need to replace my AVS on my '66 Conv.
>
>I've had a good bit of experience with both the AFB
>and the AVS.  Unless there's a catastrophic problem
>with your AVS, a good choice would simply be to
>rebuild it.  The rebuild kit is available from NAPA
>for around $30.  I just did one a few weeks ago.
>
>The AFB is a little bit simpler, but there's no
>overwhelming advantage of one over the other (unless
>it's a matter of extreme performance tuning, which
>really isn't an issue for the average Imperial).
>
>Elijah


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