Re: Missing cylinders

[Jim Altemose <jaltemoose@xxxxxxxxx>]

Thanks Nick and all.  Vacuum is cool; learning a lot.

Made some progress.  This is regarding my 383 4 barrel Carter AFB
missing cylinders.  First thing I did was replace the plugs with
Autolite 85 plugs.  Big difference; car's running well right away; I
don't think I'm missing any now.  But they're all the same fouled "wet
fouling with small deposits".

I was using Champion RJ12YC plugs.  These were recommended in the
manual for the 383 2 barrel which is what I originally had.  But a
couple of years ago I replaced the 2 barrel with a 4 barrel Carter
AFB.  The manual for a 383 4 Barrel says J-9Y.  Maybe this is why
they're fouled?  Since I went to the 4 barrel should I be using a
different plug and would that make a difference?  The ones I just put
in are Autolite 85; is that OK?

Vacuum from the PVC valve reads what looks like a pretty steady 18
with about a 1 pound constant fluctuation either way; very rapid
flapping.

Tomorrow I'm planning to dig into the timing and idle mixture
adjustments.  One strange thing though.  I checked the distributor and
rotor.  Rotor is a little bit more burned on one edge of the contact,
and if I look at the distributor contacts. a couple of cylinders are
more clearly burned dead center.  Then as you move around, the
cylinder connections become more burned to the right, then they drift
back again toward center.  In other words, the 'burn marks' aren't
dead center on each contact inside the distributor; it drifts off and
then back again over the eight.  This seems strange to me.  If the
timing were off, wouldn't each cylinder 'burn mark' be the off by the
same amount?

The distributor doesn't have points; when I got the car 4 or 5 years
back it had already been replaced.  I'm not sure if it's Mopar or
Pertronix or what.  Below are a couple of photos.

https://picasaweb.google.com/115013310552314897903/November262011

My plan is to adjust the timing and then idle mixture and keep on eye
on the vacuum.  I'm not an expert at tuning but always looking to
learn.  Any comments, advice or tips are much appreciated.

 As always, thank.

- Jim
Jim Altemose, Long Island, NY
'63 Polara 500 (Max Wedge)
'63 Polara 500 (383)
'65 Belvedere I (Street Wedge)
'71 Bronco

On Wed, Nov 23, 2011 at 12:53 PM,  <furyus63@xxxxxxxxxxx> wrote:
> Jim,
>
>
>
> If you decide to go the vacuum gauge route, here is another good chart for
> trouble shooting, two pages with 17 readings.
>
>
>
> Nick Tiberio
>
> FuryUs63
>
>
>
>
>
>
>
>
>
>
>
> ________________________________
>
> From: "Richard Kinsley" <leroar.kinsley058@xxxxxxxxx>
> To: 1962to1965mopars@xxxxxxxxxxxxxxxx
> Sent: Tuesday, November 22, 2011 11:33:11 PM
> Subject: Re: Missing cylinders
>
> Hook a vac gauge up to it too and see what the needle does. It can be a very
> helpful tool.
>
> Rich Kinsley '64 Dodge Polara 4dr 318poly w/goodies
> =======================================================================
>
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Please address private mail -- mail of interest to only one person -- directly to that person. That is, send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic.  Thanks!

1962 to 1965 Mopar Clubhouse Discussion Guidelines:
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