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Holley or Carter? 1971 HP 383 with A/C
#1279397
08/04/12 09:56 PM
08/04/12 09:56 PM
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Joined: Feb 2005
Posts: 5,796
minnarusta
TX9H6E4CUDA
OP
master
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OP
master
Joined: Feb 2005
Posts: 5,796
minnarusta
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So on my 1971 b body 383 HP, a/c, 727 what came factory? The Holley or Carter?
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Re: Holley or Carter? 1971 HP 383 with A/C
[Re: 71383beep]
#1279401
08/08/12 01:52 PM
08/08/12 01:52 PM
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Joined: Aug 2003
Posts: 12,291
Kent, Wa
340SHORTY
Truck Nut
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Truck Nut
Joined: Aug 2003
Posts: 12,291
Kent, Wa
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My 71 RR with air grabber hood and no A/C had a Holley originally..
I am truckless..
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Re: Holley or Carter? 1971 HP 383 with A/C
[Re: YYZ]
#1279403
08/10/12 12:59 AM
08/10/12 12:59 AM
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Joined: Jan 2005
Posts: 1,647
IL
71383beep
top fuel
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top fuel
Joined: Jan 2005
Posts: 1,647
IL
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Okay good to know. The intake has got to be the same though...right? I thought Holley and the Carter's had different mount patterns.
Does N97 make a difference?
'73 GK6 Challenger Rallye - 340 4-Speed
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Re: Holley or Carter? 1971 HP 383 with A/C
[Re: 71383beep]
#1279404
08/16/12 03:56 PM
08/16/12 03:56 PM
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Joined: Jul 2003
Posts: 12,129
Cleveland
sunroofgtx
I Live Here
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I Live Here
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Posts: 12,129
Cleveland
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No, no difference. However, Galen's book lists 71 HP 383's to have Carter AVS carbs, part number on the build sheet as #44. My 71 Satellite with the N code HP 383 with 4 speed and A/C, lists the Holley R4667 , part number 48 on the build sheet. Same 4160 Holley with or without A/C. The book does not list it as an HP, but it is. Galen's book is confusing with listing the Carter 6125S for the 71 383 HP's.
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Re: Holley or Carter? 1971 HP 383 with A/C
[Re: sunroofgtx]
#1279405
08/16/12 08:01 PM
08/16/12 08:01 PM
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Joined: Jan 2005
Posts: 1,647
IL
71383beep
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This topic has piqued my interest.
The carb on my 383 AG car now is a AVS model 4966S which the FSM lists as standard for the non HP 440 w/ auto.
The FSM also lists the 6125S as std. for 383 with auto as well without a reference as to HP or not. So they did put them on some 383's apparently.
However, for the 4160 Holley the FSM lists the following for 383:
R-6191A and R-4668A for manual/auto respectively with the Heated air intake system
R-6193A and R-4735A for manual/auto respectively with the Fresh Air Intake system (Air Grabber)
So it appears that holley is correct for my application.
However, I have heard from the mopar rumor mill that it was common for dealerships to replace the Holley's with AVS's under warranty because apparently there were a lot of leakage and heat related problems with the Holley's. I am not sure on numbers and what carb was used, but I have heard this from multiple sources.
So...do I keep the AVS and call it a day 2 warranty mod or should I try and hunt down a 4735A Holley?
'73 GK6 Challenger Rallye - 340 4-Speed
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Re: Holley or Carter? 1971 HP 383 with A/C
[Re: TX9H6E4CUDA]
#1279409
08/16/12 09:16 PM
08/16/12 09:16 PM
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Joined: Jul 2003
Posts: 12,129
Cleveland
sunroofgtx
I Live Here
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I Live Here
Joined: Jul 2003
Posts: 12,129
Cleveland
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My friend who worked at a Plymouth dealership in 1971 said they repeatedly replaced the Holley's with a "conversion kit" 71 AVS 6125S. If you have an air conditioner engine carb, it has the hot idle compensator bar in it as well. Maybe Air Grabbers as well. I think that's what its called.
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Re: Holley or Carter? 1971 HP 383 with A/C
[Re: 6bblgt]
#1279411
08/16/12 10:59 PM
08/16/12 10:59 PM
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Joined: Jan 2005
Posts: 1,647
IL
71383beep
top fuel
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top fuel
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IL
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I see...cool...good to know!
What line on the BS is the carb listed on?
I am guessing it was likely a holley carb. I now know that the engine and trans have been out and it looks like some work was done to it. The car is fairly close to original though and I am wrestling with either going in that direction or "upgrading".
I have no issues with putting a holley on her as i am much more familiar with tuning them, but I am hesitant to put such a rather small one back on.
I have been leaning to a correct 440 AVS like the 4968S if I can find one.
'73 GK6 Challenger Rallye - 340 4-Speed
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Re: Holley or Carter? 1971 HP 383 with A/C
[Re: 71383beep]
#1279415
08/17/12 01:32 AM
08/17/12 01:32 AM
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Joined: Jan 2003
Posts: 14,471
renton, Washington
ph23vo
I Live Here
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I Live Here
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Posts: 14,471
renton, Washington
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Quote:
Quote:
The 4968 is for a 440 HP auto. Is that what you need? I thought you needed one for your 383? The 4968's are big money. Scott, are you sending one to Mike R? 
I am considering it. I am either considering the stock approach or possibly go for the "day 2" concept where it was an old school trick to swap on a 440 carb for some more get em up.
Right now I actually have 2 4966's
The one on the car is actually pretty decent. My only complaints are that whoever tuned it before did not tune the mixture evenly which has left a slight flutter at light loading and I get a pretty noticeable lean bog if you mash it. The car has definitely been babied. If you are light on the throttle she will putter right along all day and even get up if you gently open it up.
Scott you don't have a Holley 4735 do you? Are they decent carbs if rebuilt properly? I think 625 cfm is small for a 383 IMHO.
LOL LIST 4735..wait until you try and find one! like NON EXISTENT... and big big $$$$$ SOLD 1 for 550.00 a few yrs ago...RARE RARE
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