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Weak stream on accelerator pump after rebuild on 48 DeSoto?


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Posted

One thing that concerns me on my carburetor rebuild is the accelerator pump.  I noticed when I was trying to start my engine that it would usually start if I squirted a shot of gas down the air horn.  But if I gave the carburetor three pushes of the accelerator pump, the engine would not start.  I looked down the throat and saw a squirt of gas when I pushed on the throttle, but was it strong enough?  Wagoneer said that the squirt has to be very strong to work.  I saw on a Keith's Garage video that he corrected a friend's accellerator pump just by pulling on the spring to make it a little stronger.  My carb. is rebuilt and I put a new spring in the accel. pump.  

Posted

I think a month ago I put all the things I did to correct puny squirts in a carb post.

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Posted

On my carb there are three spots the accelerator pump linkage can be placed into to adjust the length of the shot.   YOu might need to look and see if you have that sort of adjustment.  I have a Carter though

Posted
3 minutes ago, Sniper said:

On my carb there are three spots the accelerator pump linkage can be placed into to adjust the length of the shot.   YOu might need to look and see if you have that sort of adjustment.  I have a Carter though

same on my stromburg

Posted
14 hours ago, LeRoy said:

I think a month ago I put all the things I did to correct puny squirts in a carb post.

Unfortunately, finding an old post on here is very difficult.  I did a search and it only came up with mine.  

Posted

I used the Google search and it came up with tons of threads on MoPar carburetors, but nothing from 2023 or from LeRoy.  it came up with threads so old that Young Ed is probably Old Ed by now!  

Posted (edited)
6 hours ago, MarcDeSoto said:

I used the Google search and it came up with tons of threads on MoPar carburetors, but nothing from 2023 or from LeRoy.  it came up with threads so old that Young Ed is probably Old Ed by now!  

https://p15-d24.com/topic/59148-optima-battery-suddenly-too-weak-to-crank-on-48-desoto/?do=findComment&comment=636852

 

Now you have a link to some really questionable advice

Edited by LeRoy
Posted

Have you tried adding some Tamsulosin in your gas?

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  • Haha 2
Posted
1 hour ago, Dodgeb4ya said:

Have you tried adding some Tamsulosin in your gas?

I had the same thought, each and every time I glanced at the title.   Maybe 'cause I'm old.

Posted

Soft new accelerator leather cup? Nice bouncy full length return spring? Pump stroke shaft set to middle position? 2 check balls of different sizes in their proper seats? Correct throttle cable to bracket mounting  and pump linkage routing?  Carb clean? Ideally ultra-sonic cleaned. Float height correct. Nice full bowl of fuel?

  • Like 1
Posted

I asked O'Reilly's for some Tamsulosin, but they said they didn't have any.  Keith's questions 1. yes  2. new spring, but not so bouncy  3. yes  4. yes  5.  yes I think.  Throttle linkage is not connected to foot pedal yet.  6. yes with Carb cleaner and compressed air.  Not ultra-sonic.  7. yes  8.  I'll check that.  Thank you Keith and LeRoy.  

Posted
3 hours ago, kencombs said:

I had the same thought, each and every time I glanced at the title.   Maybe 'cause I'm old.

so is his car....I also had vision of some TV ads when I read this....many probably never saw the humor, the door was left wide open here...

Posted
15 hours ago, MarcDeSoto said:

I used the Google search and it came up with tons of threads on MoPar carburetors, but nothing from 2023 or from LeRoy.  it came up with threads so old that Young Ed is probably Old Ed by now!  

Older but still young

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