It would be really helpful to know which of the above comments are relative to those who use gasoline with some ethanol in it and which use only straight gasoline. In this State, I have no choice. I obtained some Marvel Mystery oil to give it a try but it would be much more helpful to know whether it is just effective in regular gasoline or gasoline with ethanol in it or both. Thanks to all who have responded.Steve Albu--On Mon, May 29, 2023 at 9:11 AM Michael Alexander <malexander299@xxxxxxxxx> wrote:Yes, terrific name, and cool retro container as well! And it works!--Sent from my iPhoneOn May 29, 2023, at 8:36 AM, Anthony Doughty <62red300h@xxxxxxxxx> wrote:Here’s another vote for Marvel Mystery Oil as I’ve used the 1 oz to 5 gal ratio in cars driven and toured regularly ranging from the brass era to the early 60’s like my 300H, with no valve wear or carb gumming issues ever. Plus, it’s just such a great name!
Sent from Mail for Windows
From: Michael Alexander
Sent: Friday, May 26, 2023 8:43 PM
To: Bob Jasinski
Cc: chrysler-300-club-international@xxxxxxxxxxxxxxxx
Subject: Re: {Chrysler 300} Accelerator Pumps
No Marinas in the area with Rec 90 for outboards? We called it Amoco “white” gas in the olden days.
I run Rec 90 in my 250 Suzuki on a Boston Whaler as well as in both 300’s.
It can be delivered to yachts; and we fo own land yachts!
About $4-5 a gallon in S. Florida, California probably $3000/ gal. Good luck.
We all use this, no? Except in Canada where they have real gasoline.
Sent from my iPhone
On May 25, 2023, at 5:22 PM, 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
On Thu, May 25, 2023 at 2:23 PM John Grady <jkg@xxxxxxxxxxxxxxxxx> wrote:
mine are on a 405 H clone , the squirters came off ok . Not sure what to say ?
i don’t remember specifics , but we did not pull carbs , at least in my mind . not sure of exact process that day a year ago.
I do remember though, vividly , how careful one must be —-with the carb still on , as i had read of a guy doing it , tried the pump action once he had it free and the check jumped out due to gas flow and fell into carb .
He did not notice and started engine , wrecked a cylinder .= wrecked engine .
maybe being a clone mine has later afb or edelbrock carbs ? is pulling air horn that big a deal ? yes , many screws ..maybe a real carb expert chimes in ..
Sent from my iPhone
On May 25, 2023, at 2:57 PM, Steve <saforwardlook@xxxxxxxxx> wrote:
John, the airhorn of these carburetors isn't quite hogged out enough to gain access to the 2 screws to get the top of the discharge nozzle off without taking the airhorn off. Otherwise I would have done that. Both of my carburetors are the original ones to the F.
Steve
On Thu, May 25, 2023 at 11:53 AM John Grady <jkg@xxxxxxxxxxxxxxxxx> wrote:
i believe you can easily do this right in the car —carbs in , discharge squirter comes off ?
agree pia , ethanol causes white crud sticks the brass valve . some one should make a delrin or ? one
Sent from my iPhone
On May 25, 2023, at 2:49 PM, saforwardlook <saforwardlook@xxxxxxxxx> wrote:
What do folks in the Club do to Keep Accelerator Pump discharge check valves from sticking shut from today's garbage fuel.? After taking my 300F to the California meet in September of last year, in just 3 months the nozzles in both carburetors stuck shut and now I want to drive the car again and it looks like I need to take both carburetors off and apart to free them up again. I don't recall having this happen so quickly in the past but even draining the tank and putting in fresh fuel before the meet, this still happened more quickly than before. Maybe here in California there is even more ethanol going into our gas but this is really getting old.
I can go to airports and get non polluted fuel but that is both inconvenient and expensive. In this state, there are no regular non ethanol fuel stations.
Does anyone have a better way to unstick the discharge valves?
Thanks
Steve Albu
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