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Re: Idle Stop Solenoids
[Re: ScottSmith_Harms]
#1003740
06/01/11 12:08 PM
06/01/11 12:08 PM
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Joined: Dec 2007
Posts: 387
n/w, PA
demonH1B
enthusiast
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enthusiast
Joined: Dec 2007
Posts: 387
n/w, PA
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Can anyone go into detail on the round plunger top vs the hex top with wire connector. Which were used on what cars? Does it call for a different number? 
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Re: Idle Stop Solenoids
[Re: 6T9Hemi]
#1003742
06/01/11 03:08 PM
06/01/11 03:08 PM
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Joined: Sep 2005
Posts: 12,481
Chino Valley
RodStRace
I Live Here
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I Live Here
Joined: Sep 2005
Posts: 12,481
Chino Valley
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Quote:
Can someone explain the function of the idle stops?
There is a base idle (solenoid not energized) so the car will shut off without dieseling. This is usually around 500-700 RPM
With the solenoid energized, it pushes the plunger out, raising the idle so it idles smooth.
This is usually around 1000-1100 RPM.
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Re: Idle Stop Solenoids
[Re: ScottSmith_Harms]
#1003743
06/01/11 05:14 PM
06/01/11 05:14 PM
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Joined: Jan 2003
Posts: 904
Berwyn, IL
Moparlar
super stock
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super stock
Joined: Jan 2003
Posts: 904
Berwyn, IL
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Quote:
Each application calls for.a specific DR#
Is there a list of what number for what application. And I went and looked at mine and I have a hex head one with no number on it. What would that fit.
Larry
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Re: Idle Stop Solenoids
[Re: ScottSmith_Harms]
#1003745
06/01/11 09:42 PM
06/01/11 09:42 PM
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Joined: Jan 2003
Posts: 42,714
Spokane Washington
ScottSmith_Harms
Mr Wizzard
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Mr Wizzard
Joined: Jan 2003
Posts: 42,714
Spokane Washington
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Here is the list from the old post here on Moparts.
3514520 Early (AVS)
3549318 Late (AVS)
DR1114421
70 440 4737S,4739S, 4741S, 4740S
Hex head with cap, no integral bracket
3514892 (AVS)
DR1114442
70 340 4936S, 4937S
Round head, no integral bracket
3438303 (AVS)
DR1114442 or DR1114447 (Have reports of both)
70 440 4738S
71 440 4968S
Hex head with cap, no integral bracket
3438777 (Holley)
DR1114441
71 383 4667A, 4734A, 4668A, 4735A, 6191A, 6193A
Hex head with cap, no integral bracket, but includes wiring harness
2875975 (Holley, AFB)
DR1114429
70 440+6 4375A, 4734A, 4376A, 4144A
70 340+6 4791A, 4792A
70 426 4745S, 4746S
71 426 4969S, 4970S
Round head with integral bracket
3438338 (Holley)
DR1114443
71 440+6 4669A, 4670A
Hex head with cap
3412059 (Holley)
DR1114420
69 440+6
Hex head with cap
3438333 (Same as 2875975) (TQ)
DR1114429
71 340 4972S, 4973S
Round head with integral bracket
Bill Rolik
From an article by Frank Badelson:
69-1/2 440-6: DR1114420 (hex head)
70 340 4 bbl: DR1114442 (round head)
70 340-6 and 440-6 and hemi: DR1114429 (round head)
70 440 4 bbl: DR1114421 (hex head)
71 440 4 bbl: DR1114447 (hex head)
71 440-6: DR1114443 (hex head)
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Re: Idle Stop Solenoids
[Re: cudaized]
#1003747
06/01/11 11:48 PM
06/01/11 11:48 PM
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Joined: Oct 2003
Posts: 2,315
South, FL
cudaized
top fuel
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top fuel
Joined: Oct 2003
Posts: 2,315
South, FL
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re: 1970 340 What determined if the car (carb) received the idle solenoid? One of my 4933 has it, including that interesting extra power feed from the alternator. Another 4933 does not have it nor the power wire. I have 6 or 7 other 1970 340 carbs. Some have it some don't?
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Re: Idle Stop Solenoids
[Re: ScottSmith_Harms]
#1003748
06/02/11 10:25 AM
06/02/11 10:25 AM
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Joined: Jan 2003
Posts: 904
Berwyn, IL
Moparlar
super stock
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super stock
Joined: Jan 2003
Posts: 904
Berwyn, IL
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Quote:
There is no (reliable) list that I've seen publicized but a few of us here on Moparts posted one a while back, I'll see if I can dig it up. In general, most cans with no stamped number and a small brass hex head are generic replacements.
I also have 1 with Stenciled #1114423 and a round head. I will assume this also a replacement.
At least I have a DR1114429 for my Superbird.
Still have to find the correct one for my 72 6 pack car.
Larry
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Re: Idle Stop Solenoids
[Re: Moparlar]
#1003750
07/15/11 09:16 AM
07/15/11 09:16 AM
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Joined: Jan 2003
Posts: 9,436
Blair County,PA
62maxwgn
master
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master
Joined: Jan 2003
Posts: 9,436
Blair County,PA
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Quote:
Quote:
There is no (reliable) list that I've seen publicized but a few of us here on Moparts posted one a while back, I'll see if I can dig it up. In general, most cans with no stamped number and a small brass hex head are generic replacements.
I also have 1 with Stenciled #1114423 and a round head. I will assume this also a replacement.
At least I have a DR1114429 for my Superbird.
Still have to find the correct one for my 72 6 pack car.
Larry
The 1114423 is not a generic replacement,it is O.E.M. Pontiac Ram Air 1V.
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Re: Idle Stop Solenoids
[Re: cudaized]
#1003751
07/16/11 03:45 PM
07/16/11 03:45 PM
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Joined: Jan 2003
Posts: 1,547
Puyallup, Wa.
Steve340
pro stock
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pro stock
Joined: Jan 2003
Posts: 1,547
Puyallup, Wa.
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Quote:
re: 1970 340
What determined if the car (carb) received the idle solenoid?
One of my 4933 has it, including that interesting extra power feed from the alternator. Another 4933 does not have it nor the power wire.
I have 6 or 7 other 1970 340 carbs. Some have it some don't?
If it had California emissions in 1970 it got the solenoid.
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Re: Idle Stop Solenoids
[Re: 62maxwgn]
#1003752
07/16/11 11:32 PM
07/16/11 11:32 PM
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Joined: Jan 2003
Posts: 904
Berwyn, IL
Moparlar
super stock
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super stock
Joined: Jan 2003
Posts: 904
Berwyn, IL
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Quote:
Quote:
Quote:
There is no (reliable) list that I've seen publicized but a few of us here on Moparts posted one a while back, I'll see if I can dig it up. In general, most cans with no stamped number and a small brass hex head are generic replacements.
I also have 1 with Stenciled #1114423 and a round head. I will assume this also a replacement.
At least I have a DR1114429 for my Superbird.
Still have to find the correct one for my 72 6 pack car.
Larry
The 1114423 is not a generic replacement,it is O.E.M. Pontiac Ram Air 1V.
Guess I should look for a pontiac guy to sell it to
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Re: Idle Stop Solenoids
[Re: Steve340]
#1003753
07/17/11 01:12 AM
07/17/11 01:12 AM
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Joined: Oct 2003
Posts: 2,315
South, FL
cudaized
top fuel
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top fuel
Joined: Oct 2003
Posts: 2,315
South, FL
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Quote:
Quote:
re: 1970 340
What determined if the car (carb) received the idle solenoid?
One of my 4933 has it, including that interesting extra power feed from the alternator. Another 4933 does not have it nor the power wire.
I have 6 or 7 other 1970 340 carbs. Some have it some don't?
If it had California emissions in 1970 it got the solenoid.
That's what I have been thinking, BUT, my original 1970 `cuda340 sold new in TN has it? (Hamtramck built) Just curious if there were other possible parameters that this solenoid would have been installed from the factory. [or even dealer installed]
Ola
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Re: Idle Stop Solenoids
[Re: RodStRace]
#1003754
07/17/11 08:21 AM
07/17/11 08:21 AM
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Joined: Aug 2008
Posts: 242
midwest
intragration
enthusiast
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enthusiast
Joined: Aug 2008
Posts: 242
midwest
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Quote:
There is a base idle (solenoid not energized) so the car will shut off without dieseling. This is usually around 500-700 RPM
With the solenoid energized, it pushes the plunger out, raising the idle so it idles smooth.
This is usually around 1000-1100 RPM.
What controls when the solenoid is energized? I haven't had any problems with dieseling, but I have noticed that coming to an abrupt stop, the car briefly wants to stall before regaining it's composure. If this allowed idle to be higher at some times, but lower at others, this might be beneficial, but again, I don't understand what controls it's operation.
Don't feel too bad, lowly '70-'71 340 guys, there's always us '72-'74 guys out there.
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Re: Idle Stop Solenoids
[Re: intragration]
#1003755
07/17/11 10:43 AM
07/17/11 10:43 AM
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Joined: Oct 2003
Posts: 2,315
South, FL
cudaized
top fuel
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top fuel
Joined: Oct 2003
Posts: 2,315
South, FL
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Quote:
What controls when the solenoid is energized?
The key in the "ON" position. It gets 12 volts from the alternator Field terminal.
The plunger is directed to extend any time the electricity is present. When the key is first engaged, the plunger may not extend fully until the carb is opened a little (like to engage the choke on a cold start). Once the carb is opened a little, the plunger stays extended until the electricity is removed (ie. Turn the key to OFF).
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