RE: {Chrysler 300} Accelerator Pumps

I have never had any experience with accelerator pump discharge blockage. Maybe since in Australia we can get gas without ethanol at any service station. (I only use ethanol gas in my new car as it is cheaper.) However, since they took lead out over thirty years ago, I have been using Flashlube in my old cars under the assumption that it protects the valve seats. Not sure if it works since I haven’t pulled a head off, but it hasn’t caused any harm and is cheap. Maybe it helps the carb as well?

https://www.flashlube.com/products/valve-saver-fluid

Might not be readily available in the USA but you probably have an equivalent.

Henry

From: chrysler-300-club-international@xxxxxxxxxxxxxxxx [mailto:chrysler-300-club-international@xxxxxxxxxxxxxxxx] On Behalf Of finsruskw@xxxxxxxxxxxxxxx
Sent: Friday, 26 May 2023 8:57 AM
To: 'Noel Hastalis'; 'Bob Jasinski'; chrysler-300-club-international@xxxxxxxxxxxxxxxx
Subject: RE: {Chrysler 300} Accelerator Pumps

Same here.

I use it in the F andf all m y Cub Cadet garden tractors w/Kohler engines.

From: chrysler-300-club-international@xxxxxxxxxxxxxxxx <chrysler-300-club-international@xxxxxxxxxxxxxxxx> On Behalf Of Noel Hastalis
Sent: Thursday, May 25, 2023 5:02 PM
To: Bob Jasinski <rpjasin@xxxxxxxxxxx>; chrysler-300-club-international@xxxxxxxxxxxxxxxx
Subject: RE: {Chrysler 300} Accelerator Pumps

Several years ago I met fellow 300 Club member, Don Verhoff, up at the Iola car extravaganza, who had his sweet black 300-G coupe on display. Don's business was building diesel engines and strongly recommended running a few ounces of Marvel Mystery Oil in my gas tank with every fill-up. Said he used it in all his engines.

I had been addng it until I ran out last year - need to go buy another gallon! On the phone with Joe Jordan a couple nights ago, he also recommends it.

Noel

On 05/25/2023 4:22 PM CDT Bob Jasinski <rpjasin@xxxxxxxxxxx> wrote:

This is a trick I learned a while back, I believe I read it on the H.A.M.B. site. Add a small amount of TCW-3 rated 2 stroke oil to the gas tank when filling up. The ratio is 1 oz/5 gallons of fuel. My engine runs great, doesn’t knock, and I have no carb problems when it sits for extended periods. Most 2 stoke oils are TCW-3 rated, so its easy to find, I buy mine at Walmart. Not sure what is in Marvel Mystery oil, but it could provide a similar benefit.
Bob J
From: chrysler-300-club-international@xxxxxxxxxxxxxxxx <chrysler-300-club-international@xxxxxxxxxxxxxxxx> On Behalf Of Dyke Ridgley
Sent: Thursday, May 25, 2023 12:44 PM
To: John Grady <jkg@xxxxxxxxxxxxxxxxx>
Cc: Steve <saforwardlook@xxxxxxxxx>; chrysler 300 club <chrysler-300-club-international@xxxxxxxxxxxxxxxx>
Subject: Re: {Chrysler 300} Accelerator Pumps
Just pull the carb tops. On the 300F it is about 10 minutes per carb. Be careful to not lose the two small linkage clips on each carb. Make sure you remove the metering rods before you take the carb tops off (and take your time inserting them after the tops are reinstalled). Then you can easily remove the "squirters" and unplug them. While they are off, work the pumps to make sure fuel is getting to the squirters. If you have not, while you are in there, make sure the floats are set correctly for height and drop. I totally inderstand the problems with California fuels, Arizona has it even worse. I have used Marvel Oil for years to add "lubricity" to today's very "dry" fuels. It definitely helps the valves seal in both mechanical and electric fuel pumps and may well help aliviate the sticking check balls in accerarator pump systems.
Dyke Ridgley
Ridgley Racing
5500 Walmsley Rd
Decatur, IL 62521
217-865-2300 p
217-865-2309 f

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