Re: [Chrysler300] Electric Fuel Pump

["Michael Reed" <mrreed@xxxxxxxxx>]

Marshall's points are well taken. Today's gasolines are made for closed fuel systems. Used in our open-to-the-atmosphere carburetor engines, the gasoline evaporates from the carburetor bowls rather quickly. It is gone in not much over a week on my "F". Not wanting to put the wear and tear on the starter than is required to refill the carburetor bowls for starting, and not yet having installed an auxiliary electric fuel pump (lazy me...), I follow this simple, and relatively quick, process.

I bought a picnic-type squeeze ketchup (catsup for you blue noses... lol) dispenser at the $1 store. I fill it with gasoline from the lawn mower supply. I remove the air filters from the "F". The squeeze bottle tip fits nicely into the bowl vents on top of the carburetor. A squeeze in each vent of each carb, replace the air filters, and the engine fires immediately.

Mike Reed in Lake Odessa, Michigan
  ----- Original Message ----- 
  From: mgoodknight@xxxxxxxx 
  To: r41hp@xxxxxxxxx 
  Cc: chrysler300@xxxxxxxxxxxxxxx 
  Sent: Saturday, June 26, 2010 8:14 AM
  Subject: RE: [Chrysler300] Electric Fuel Pump


  "Vented-bowl" carburetors will lose fuel when in storage.  Carburetor rebuilding will not prevent that normal evaporation loss.  Gravity fed systems remain filled, but suffer even more from gum formation as the lighter components of the fuel escape.
  I personally have a preference for refilling the carburetor bowls by some means other than running the starter motor and depleting the battery's charge.  It is of debatable value to build the oil pressure by cranking the engine with the starter.   If you had a "pre-lube" pump that would pressurize the system without turning the crankshaft, then it would be beneficial to use such a device.  Cranking speeds will not lubricate pistons, cam lobes, and other components that require splashing of oil.  I want the most immediate start possible and then I operate the engine at a slightly elevated idle speed for a few seconds before putting it to work or running it faster.
  Everyone is entitled to an opinion.  I've tried to justify mine.
  Marshall Goodkngiht---------- Original Message ----------
  From: Andy Mikonis <r41hp@xxxxxxxxx>
  To: chrysler300@xxxxxxxxxxxxxxx
  Subject: RE: [Chrysler300] Electric Fuel Pump
  Date: Sat, 26 Jun 2010 00:31:38 -0700 (PDT)

    
  I may not have been born until 1968, but from my observations millions of 1950s/1960s and older cars drove billions of miles without an extra/added electric fuel pump. My feeling is your time/money would be better spent freshening the carbs every few years and making the chokes work properly.
  Â 
  Also, here's a question: if you have to crank your car extra times after storage, doesn't that actually build up some oil pressure before it fires? Maybe it's a good thing?

  --- On Fri, 6/25/10, Richard Barber <c300@xxxxxxx> wrote:

  From: Richard Barber <c300@xxxxxxx>
  Subject: RE: [Chrysler300] Electric Fuel Pump
  To: "'Rich Barber'" <c300@xxxxxxx>, "'Mark Lindahl'" <mplindahl@xxxxxxxxxxxxx>, chrysler300@xxxxxxxxxxxxxxx
  Date: Friday, June 25, 2010, 11:05 PM

  Â 

  Thanks to several of you who responded that mechanical fuel pump failure

  often results from a ruptured diaphragm in the fuel pump body and that there

  is gasoline on one side of the diaphragm and the engine's crankcase on the

  other. Energizing a rear-mounted electric fuel pump may then flood the

  crankcase with low-viscosity/0 weight non-lubricating and highly flammable

  gasoline. Subsequent high speed disassembly should then be anticipated. 

  I'll fabricate a jumper to bypass the fuel pump, invest in a handful of

  tubing fitting wrenches and I'll be prepared for that eventuality. Probably

  easier just to carry a spare mechanical fuel pump.

  Thanks again for the advice not to trash my engine or torch my car. Great

  call.

  C-300'ly,

  Rich Barber

  Brentwood, CA

  1955 C-300 (Hoping to see some of you at the Capital City MoPars show

  tomorrow in Sacramento www.capitalcitymopars.com )

  From: Chrysler300@xxxxxxxxxxxxxxx [mailto:Chrysler300@xxxxxxxxxxxxxxx] On

  Behalf Of Rich Barber

  Sent: Friday, June 25, 2010 9:31 AM

  To: 'Mark Lindahl'; chrysler300@xxxxxxxxxxxxxxx

  Subject: RE: [Chrysler300] Electric Fuel Pump

  I installed an electric fuel pump near the gas tank and wired it so that it

  would only run when a button switch hidden under the dash is pushed, the

  ignition key is in the crank position and the gear selector is in drive so

  the engine will not crank. I only use it when the car fails to start

  immediately. I can hear the electric pump running and when the pitch

  changes, I know the carbs are full, the floats are closing the float valves

  and the car is ready to start with one pump of the accelerator pedal. I

  left the rebuilt mechanical pump in place and fuel flows through the

  electric pump when it is not running. I also added a pigtail that could be

  connected to a hot terminal for continuous running in case of a fuel pump

  failure.

  This has made all the difference in the world in having confidence the car

  will start easily during any condition and I do use it about 50% of the

  time.

  C-300'ly,

  Rich Barber

  1955 Chrysler 300

  _____ 

  From: Chrysler300@xxxxxxxxxxxxxxx <mailto:Chrysler300%40yahoogroups.com>

  [mailto:Chrysler300@xxxxxxxxxxxxxxx <mailto:Chrysler300%40yahoogroups.com> ]

  On

  Behalf Of Mark Lindahl

  Sent: Friday, June 25, 2010 5:39aa AM

  To: chrysler300@xxxxxxxxxxxxxxx <mailto:chrysler300%40yahoogroups.com> 

  Subject: [Chrysler300] Electric Fuel Pump

  Hello,

  I would appreciate any suggestions for a good electric fuel pump for a

  3256SA Carter AFB.

  After the fuel pump is installed, is it common for the push rod to be

  removed from the stock pump?

  I am still having to crank the engine a lot to get fuel to the carb on cold

  starts.

  I believe the best place to mount an electric fuel pump is near the rear

  axle?

  Any other suggestions?

  Thanks,

  Mark Lindahl

  '63 300 Conv.

  [Non-text portions of this message have been removed]

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