I have to say that here in the stop and go driving of San Francisco, plus the hills, a dashpot is a must on anything I drive.
What happens all the time is it is my turn at a four way stop. I hit the throttle and start to go, and someone decides they were next. I then have to lift off the throttle quick.
This action causes an abrupt stop in the airflow and the car will stall. A dashpot drops the throttle blades down slow that last little but and allows the airflow to stabilize.
On my 1947 Desoto Custom Suburban, it was a particular issue. The electric dashpot on the Carter BB car had no adjustability to it. I found a few years latter Carter BB with an adjustable, with a screw, dashpot and dialed in the sweat spot. That has worked great for 20 years.
I urge everyone to make sure your dashpot(s) are working correctly as it enhances drivability a lot. If one is not available, then make one with some other dashpot or call Terrell Machine in Texas and see if they car rebuild your old one.
James
From:
'Tony Rinaldi' via Chrysler 300 Club International <chrysler-300-club-international@xxxxxxxxxxxxxxxx>
Sent: Monday, February 17, 2025 09:26
To: Carl Bilter <cbilter@xxxxxxxxx>; John Grady <jkg@xxxxxxxxxxxxxxxxx>
Cc: Club International Chrysler <chrysler-300-club-international@xxxxxxxxxxxxxxxx>
Subject: Re: Re[2]: {Chrysler 300} 1960-61 Crossram Dash Pot Replacements Heads Up
It is an anti-stall valve that slowly closes the last small portion when you let off the gas
On Monday, February 17, 2025, 12:24 PM, Carl Bilter <cbilter@xxxxxxxxx> wrote:
My question is how critical is this component in normal engine operation? If so many are damaged either from age or "user error" in adjustment, which I think is true, then there must be plenty of crossram cars running around with a non-functional dashpot. It was eliminated on the J and Ram K, and they run fine without it.
Carl B. .
------ Original Message ------
From "John Grady" <jkg@xxxxxxxxxxxxxxxxx>
To "Tony Rinaldi" <awrdoc@xxxxxxxxx>
Cc "Club International Chrysler" <chrysler-300-club-international@xxxxxxxxxxxxxxxx>
Date 2/17/2025 10:56:34 AM
Subject Re: {Chrysler 300} 1960-61 Crossram Dash Pot Replacements Heads Up
i beluve this part , not the bracket is on 440 six pack sticks in late 60’s and is reproduced , they were stalling on decell when you push in clutch . One can adapt it?
We should note these are broken by 300 owners all the time ! if you attempt to adjust it with one wrench your tear the diaphragm inside instantly . You must use two wrenches and be sure not to let the stem going into the can turn . If it does it is junk , it cannot resist turning torque , tears s hoke in center of diaphragm
jg
On Feb 17, 2025, at 9:53 AM, 'Tony Rinaldi' via Chrysler 300 Club International <chrysler-300-club-international@xxxxxxxxxxxxxxxx> wrote:
5 were bought of the 6. Last one left at low price
On Sunday, February 16, 2025, 2:52 PM, 'Tony Rinaldi' via Chrysler 300 Club International <chrysler-300-club-international@xxxxxxxxxxxxxxxx> wrote:
Hi To All,
This item is not available. I remember coming across a Pontiac Dash Pot that I recommended to friends who were able to successfully modify to fit and replace their non functional vacuum operated dash pots.
I am showing you the original part that had both sides of the vacuum can being metal. D5-34R
Then these newer replacements that have one side plastic.
One vendor has 6 at a reasonable price. The other has one that is double the price.
If you need a replacement or want to do a belt and suspenders in case yours fails, you may want to consider these alternatives.
Tony Rinaldi
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