Philbin is terrific to deal with. I am going to do the check idle timing as Marshall suggested and confirm it varies, then call Mark about sending it back for a check . Best, Mike Moore 300H
On Oct 25, 2015, at 11:23 AM, Gary Nelson <gnelson@xxxxxxxxxxxx> wrote: I highly recommend any old distributor with unknown history, MUST be
rebuilt and setup on a dist. machine. I highly recommend the Philbin Group in
Portland OR, 1-800-869-7301, talk to Mark. If I remember correctly, The charge
for basic rebuild was $75. Also, they can rebuild or replace vacuum
advance. I installed and recommend electronic ignition.
Note: with electronic ignition you must pay special attention to the
voltage out put at the resistor. To high and you will fry the electronic
component. I may mention Philbin is fast and courteous. I am sure there
are many qualified to do rebuilds. Any of them are UPS away.
Happy Sunday,
Gary Nelson
AKA, The Parts Doc
Sent: Saturday, October 24, 2015 10:10 AM
Subject: Re: [Chrysler300] Chrysler 300H idle
speed Michael,
A "hunting" condition at any idle speed can be caused by a defect in the
centrifugal spark advance mechanism in the distributor, usually a weak
(stretched) or broken spring. Don't overlook that as a possibility
after checking more obvious things that are easier to get to.
---------Marshall Goodknight
---------- Original Message ---------- From: "Michael Moore mmoore8425@xxxxxxx [Chrysler300]" <Chrysler300-noreply@xxxxxxxxxxxxxxx> To: Ron Waters <ronbo97@xxxxxxxxxxx> Cc: chrysler300@xxxxxxxxxxxxxxx Subject: Re: [Chrysler300] Chrysler 300H idle speed Date: Sat, 24 Oct 2015 10:04:51 -0700 Yes, it idles especially rough the lower it goes. It also seems to “hunt”
between 500 and 600.
I discovered a couple of vacuum leaks yesterday and thought I had fixed
them by removing the base gaskets from the carburetors, cleaning them, and
forming a very small (cross section-like a pencil lid) of form-a -gasket
on all 8 surface and reassembled them. It’s hard to believe I still have
a vacuum leak but certainly possible. There was also an old smog kit tap into
the intake manifold I resealed.
Thanks, MIke Moore 300H
On Oct 24, 2015, at 9:41 AM, 'Ron Waters' ronbo97@xxxxxxxxxxx [Chrysler300] <Chrysler300-noreply@xxxxxxxxxxxxxxx>
wrote:

Not sure what you mean by 'marginal'. Does
the car run rough and act like it's gonna stall ? If so, I would attach a vacuum
gauge to the intake and see what's going on. Problem is either a vacuum leak, or
something is out of whack in your carbs. It's not Ethanol gas.
Ron
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