Stalling problems....

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    Author Topic: Stalling problems....  (Read 4501 times)

    Offline 67vertman

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    Stalling problems....
    « on: April 19, 2009 - 02:47:33 PM »
    My cars dies “quits running” under medium to hard acceleration when the transmission up-shifts.   :clueless:
    The trans does not shift firmly, it labors between shifts.  The trans has been sitting for more than six years.  If I stand on the brake, while stopped, and bring up the RPMs it stays running.  It only seems to die when shifting.

    Any one had this problem before or has any ideas on what may be causing this?   :dunno:
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    Ron - Born and raised in Southern California

    I got the 1970 Cuda, but still need the hot blonde to ride shotgun!

    First car -1969 Road Runner 383 4sp

    Current ride - 1970 Barracuda 440-6 4 sp Dana 60  (4:10)


    Offline MEK-Dangerfield

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    Re: Stalling problems....
    « Reply #1 on: April 19, 2009 - 03:02:46 PM »
    How does your tranny fluid look? Is it low? This shouldn't cause stalling, but we have to start somewhere.   :grinyes:
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    Mike

    1970 Challenger - SOLD
    2016 SXT+.  1 of 524 SXT+'s in Plumb-crazy for 2016.

    Offline 67vertman

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    Re: Stalling problems....
    « Reply #2 on: April 19, 2009 - 03:09:22 PM »
    Quote from: MEK-Dangerfield on April 19, 2009 - 03:02:46 PM
    How does your tranny fluid look? Is it low? This shouldn't cause stalling, but we have to start somewhere.   :grinyes:

    I agee Mike.   :grinyes: The fluid looks fine, and I am going to change as well and have the transmission serviced when I get my tags.   :2thumbs:
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    Ron - Born and raised in Southern California

    I got the 1970 Cuda, but still need the hot blonde to ride shotgun!

    First car -1969 Road Runner 383 4sp

    Current ride - 1970 Barracuda 440-6 4 sp Dana 60  (4:10)

    Offline MEK-Dangerfield

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    Re: Stalling problems....
    « Reply #3 on: April 19, 2009 - 05:46:44 PM »
    Excuse my ignorance, but didn't you just recently replace or rebuild the carb? That's an obvious key to the puzzle also.
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    Mike

    1970 Challenger - SOLD
    2016 SXT+.  1 of 524 SXT+'s in Plumb-crazy for 2016.

    Offline 67vertman

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    Re: Stalling problems....
    « Reply #4 on: April 19, 2009 - 06:34:20 PM »
    Quote from: MEK-Dangerfield on April 19, 2009 - 05:46:44 PM
    Excuse my ignorance, 

    No ignorance there Mike, just a good memory.  Yes, I rebuilt the carb and then replaced it with a new one.  To me, it doesn’t seem carb related.  While parked it runs through the RPM range fine.  And while driving it runs fine and pulls strong.  The issue arises when it shifts gears.  When you are driving and it starts to change gears there is a hesitation and fells like the carb runs out of gas and the engine stalls.  You put it in neutral and it starts right back up.  I can’t drive it to much as it is not registered for the street yet.  So, trouble shooting is limited right now. 
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    Ron - Born and raised in Southern California

    I got the 1970 Cuda, but still need the hot blonde to ride shotgun!

    First car -1969 Road Runner 383 4sp

    Current ride - 1970 Barracuda 440-6 4 sp Dana 60  (4:10)

    Offline tactransman

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    • 1973 Challenger- Member here since April 14, 2006
    Re: Stalling problems....
    « Reply #5 on: April 19, 2009 - 11:02:14 PM »
    It sounds like an engine problem to me.
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    Terry-tactransman 
    Torqueflite/Automatic Transmission Specialist
    Union, Mo.
    Give a man a fish and he eats for a day,teach him to fish and he eats for a lifetime.

    Offline 67vertman

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    Re: Stalling problems....
    « Reply #6 on: April 19, 2009 - 11:06:18 PM »
    Thanks Terry.

    I was hoping you would chime in.
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    Ron - Born and raised in Southern California

    I got the 1970 Cuda, but still need the hot blonde to ride shotgun!

    First car -1969 Road Runner 383 4sp

    Current ride - 1970 Barracuda 440-6 4 sp Dana 60  (4:10)

    Offline Moparal

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    Re: Stalling problems....
    « Reply #7 on: April 20, 2009 - 12:21:03 AM »
    how's the fuel pump or the filter in the tank?
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    Offline 67vertman

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    Re: Stalling problems....
    « Reply #8 on: April 20, 2009 - 10:16:04 AM »
    Quote from: Moparal on April 20, 2009 - 12:21:03 AM
    how's the fuel pump or the filter in the tank?

    I need to check the fuel pump, right now it seems fine.  I didn't thank about the fuel filter in the tank.  I didn't check/replace it when I put the tank back in. 

    Keep the suggestions coming folks.

    Thanks Allen.
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    Ron - Born and raised in Southern California

    I got the 1970 Cuda, but still need the hot blonde to ride shotgun!

    First car -1969 Road Runner 383 4sp

    Current ride - 1970 Barracuda 440-6 4 sp Dana 60  (4:10)

    Offline cudaneil

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    Re: Stalling problems....
    « Reply #9 on: April 20, 2009 - 11:40:25 AM »
    Hi,
        What carb are you using ?   If its a Holley, they don't have an internal fuel filter and any little bits of dirt or rust will get onto

          the needle and seat and cause the fuel to overfill the float chambers.............causing the motor to stall !

       I know this because mine was doing it, so i now have 2 see through fuel filters in the fuel line,one before the fuel pump and

      the other after the pump but before the carb..........now nothing gets through to the carb. Hope this helps!
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    Offline 67vertman

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    Re: Stalling problems....
    « Reply #10 on: April 20, 2009 - 08:41:33 PM »
    It is a two barrel Carter, that is brand new (rebuilt) by Holley.  I put a new filter on, the one between the pump and the carb. 

    The strange thing is it only does it when it shifts.  It pulls storng and then when it shifts it feels like it runs out of gas and the motor stalls.... :clueless:
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    Ron - Born and raised in Southern California

    I got the 1970 Cuda, but still need the hot blonde to ride shotgun!

    First car -1969 Road Runner 383 4sp

    Current ride - 1970 Barracuda 440-6 4 sp Dana 60  (4:10)

    Offline ShelbyDogg

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    Re: Stalling problems....
    « Reply #11 on: April 20, 2009 - 11:08:38 PM »
    Make sure that you have a good, tight ground strap between your block and frame. Check the tightness of your ECU bolts on the firewall and use star washers under the ecu and nuts behind the cowl to get them tight.
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    Rob

    3 E-bodies, Megasquirt-1v3.0, Edelbrock Pro-Flo-1, Holley C950, FAST EZ-EFI; say no to carbs...yes to throttle bodies

    My Pace Car restoration thread:
    http://www.cuda-challenger.com/cc/index.php?topic=44869.0

    Offline 67vertman

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    Re: Stalling problems....
    « Reply #12 on: April 21, 2009 - 12:02:00 AM »
    Thanks ShelbyDogg, good advice.

    Also, can you just get the filter for the fuel sending unit in the tank?  They places I have looked so far do not sell just the filter, only the complete fuel sending unit.
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    Ron - Born and raised in Southern California

    I got the 1970 Cuda, but still need the hot blonde to ride shotgun!

    First car -1969 Road Runner 383 4sp

    Current ride - 1970 Barracuda 440-6 4 sp Dana 60  (4:10)

    Offline 71chally416

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    Re: Stalling problems....
    « Reply #13 on: April 21, 2009 - 01:01:07 AM »
    If the filter was that clogged why would it run fine while it's in park? Sounds to me like your float level is way off. When you drive it and it conks out pull over and pull the top off the carb. If it's full of gas in the float bowl the filter or carb is NOT your problem. If it's almost empty it might run fine while parked but the gas splashing
    around when it shifts with the car in motion might uncover the jets. Might wanna make sure it has enough gas in the tank too and that the pickup isn't getting uncovered with the car moving. Your dash gage might be wrong. Hate to see your chasing your tail replacing parts that aren't bad. This has to be something simple.
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    Offline cudaneil

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    Re: Stalling problems....
    « Reply #14 on: April 21, 2009 - 04:16:58 AM »

       YES, You can get a fuel sender unit  filter  on ebay on its own !     But if you have an inline see through fuel filter fitted,

          and its clean, then theres no point fitting one in the tank really.   
     
       Having said that, i have heard of the tank filter becoming partially blocked causing fuel starvation. (Keep that in mind)
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    just one more job to do..................  (O----{|||}----O)
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