Re: Is it possible to convert a518 or 46rh to 24 splines?
[Re: 74_360_Cuda]
#3007822
01/22/22 12:15 PM
01/22/22 12:15 PM
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Joined: Mar 2011
Posts: 3,089 Michigan
A727Tflite
master
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master
Joined: Mar 2011
Posts: 3,089
Michigan
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L Looking to put an overdrive on my 408 e body 3:91 but I want to keep my externaly balanced flex plate and my beloved Lupo torque converter. I know that they have made non lock-up a518 for a couple of years but they are hard to find. Is it possible to convert a 46rh ton non lock-up 24 spline input shaft? If so, Is there an existing guideline of what needs to be done and can I re-use parts from my 727? BTW I am not interested in the gear vendor. Thanks. Change the input shaft/rear clutch piston support and reaction shaft support at a minimum. There are some differences at the back of the input shaft where it mates to the intermediate shaft compared to the 727 so you need to make sure you get a very late 727 for parts or find the 89-93 46RH for parts. If you can’t find them PM me as I may have what you need.
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Re: Is it possible to convert a518 or 46rh to 24 splines?
[Re: trw1982]
#3007843
01/22/22 01:11 PM
01/22/22 01:11 PM
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Joined: Sep 2003
Posts: 19,534 north of coder
moparx
"Butt Crack Bob"
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"Butt Crack Bob"
Joined: Sep 2003
Posts: 19,534
north of coder
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a few years back, member Mr. P body [i think ?] did a build where he wanted to use a 727 converter in an A518 that was a lock up. it was a pretty thorough parts breakdown on what to change out in the A518. unfortunately, i couldn't begin to tell a guy how to find the thread, or even how many years ago it was.
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Re: Is it possible to convert a518 or 46rh to 24 splines?
[Re: trw1982]
#3007960
01/22/22 07:31 PM
01/22/22 07:31 PM
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Joined: Mar 2011
Posts: 3,089 Michigan
A727Tflite
master
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master
Joined: Mar 2011
Posts: 3,089
Michigan
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if i remember right, 91/92 518's are non lockup.2 wire connector. i know my 91 is for sure. there was a 92 2 wire for sale close to me. not sure what he wanted for it. 1993 was the last year for non lockup 46. With the launch of the BR truck we went to lockup.
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Re: Is it possible to convert a518 or 46rh to 24 splines?
[Re: A727Tflite]
#3007979
01/22/22 08:23 PM
01/22/22 08:23 PM
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Joined: Jan 2004
Posts: 8,315 fredericksburg,va
cudaman1969
master
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master
Joined: Jan 2004
Posts: 8,315
fredericksburg,va
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if i remember right, 91/92 518's are non lockup.2 wire connector. i know my 91 is for sure. there was a 92 2 wire for sale close to me. not sure what he wanted for it. 1993 was the last year for non lockup 46. With the launch of the BR truck we went to lockup. And weren’t they diesel only?
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Re: Is it possible to convert a518 or 46rh to 24 splines?
[Re: A727Tflite]
#3007982
01/22/22 08:34 PM
01/22/22 08:34 PM
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Joined: Oct 2006
Posts: 387 Montreal PQ, Canada
74_360_Cuda
OP
enthusiast
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OP
enthusiast
Joined: Oct 2006
Posts: 387
Montreal PQ, Canada
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L Looking to put an overdrive on my 408 e body 3:91 but I want to keep my externaly balanced flex plate and my beloved Lupo torque converter. I know that they have made non lock-up a518 for a couple of years but they are hard to find. Is it possible to convert a 46rh ton non lock-up 24 spline input shaft? If so, Is there an existing guideline of what needs to be done and can I re-use parts from my 727? BTW I am not interested in the gear vendor. Thanks. Change the input shaft/rear clutch piston support and reaction shaft support at a minimum. There are some differences at the back of the input shaft where it mates to the intermediate shaft compared to the 727 so you need to make sure you get a very late 727 for parts or find the 89-93 46RH for parts. If you can’t find them PM me as I may have what you need. Thanks, I don't have a 46rh core yet, so you if I understand correctly you are saying that if I find a core from 89-93 it would be more interchangeable with my 727 parts? Not sure of my 727 year but probably arround 1974.
Last edited by 74_360_Cuda; 01/22/22 08:38 PM.
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Re: Is it possible to convert a518 or 46rh to 24 splines?
[Re: trw1982]
#3007983
01/22/22 08:36 PM
01/22/22 08:36 PM
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Joined: Oct 2006
Posts: 387 Montreal PQ, Canada
74_360_Cuda
OP
enthusiast
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OP
enthusiast
Joined: Oct 2006
Posts: 387
Montreal PQ, Canada
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if i remember right, 91/92 518's are non lockup.2 wire connector. i know my 91 is for sure. there was a 92 2 wire for sale close to me. not sure what he wanted for it. Thanks, Would be interested if it is still for sale but would require shipping to Canada.
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Re: Is it possible to convert a518 or 46rh to 24 splines?
[Re: moparx]
#3007984
01/22/22 08:37 PM
01/22/22 08:37 PM
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Joined: Oct 2006
Posts: 387 Montreal PQ, Canada
74_360_Cuda
OP
enthusiast
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OP
enthusiast
Joined: Oct 2006
Posts: 387
Montreal PQ, Canada
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a few years back, member Mr. P body [i think ?] did a build where he wanted to use a 727 converter in an A518 that was a lock up. it was a pretty thorough parts breakdown on what to change out in the A518. unfortunately, i couldn't begin to tell a guy how to find the thread, or even how many years ago it was. Thanks, I will make some research
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Re: Is it possible to convert a518 or 46rh to 24 splines?
[Re: A727Tflite]
#3008176
01/23/22 01:37 PM
01/23/22 01:37 PM
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Joined: Jan 2010
Posts: 668 Los Osos, Ca
CKessel
mopar
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mopar
Joined: Jan 2010
Posts: 668
Los Osos, Ca
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L Looking to put an overdrive on my 408 e body 3:91 but I want to keep my externaly balanced flex plate and my beloved Lupo torque converter. I know that they have made non lock-up a518 for a couple of years but they are hard to find. Is it possible to convert a 46rh ton non lock-up 24 spline input shaft? If so, Is there an existing guideline of what needs to be done and can I re-use parts from my 727? BTW I am not interested in the gear vendor. Thanks. Change the input shaft/rear clutch piston support and reaction shaft support at a minimum. There are some differences at the back of the input shaft where it mates to the intermediate shaft compared to the 727 so you need to make sure you get a very late 727 for parts or find the 89-93 46RH for parts. If you can’t find them PM me as I may have what you need. Are you the same "Transman" that writes for the TDR [turbo diesel registry]?
Carl Kessel
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Re: Is it possible to convert a518 or 46rh to 24 splines?
[Re: CKessel]
#3008201
01/23/22 02:31 PM
01/23/22 02:31 PM
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Joined: Mar 2011
Posts: 3,089 Michigan
A727Tflite
master
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master
Joined: Mar 2011
Posts: 3,089
Michigan
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L Looking to put an overdrive on my 408 e body 3:91 but I want to keep my externaly balanced flex plate and my beloved Lupo torque converter. I know that they have made non lock-up a518 for a couple of years but they are hard to find. Is it possible to convert a 46rh ton non lock-up 24 spline input shaft? If so, Is there an existing guideline of what needs to be done and can I re-use parts from my 727? BTW I am not interested in the gear vendor. Thanks. Change the input shaft/rear clutch piston support and reaction shaft support at a minimum. There are some differences at the back of the input shaft where it mates to the intermediate shaft compared to the 727 so you need to make sure you get a very late 727 for parts or find the 89-93 46RH for parts. If you can’t find them PM me as I may have what you need. Are you the same "Transman" that writes for the TDR [turbo diesel registry]? No sir. At least I don’t think so.
Last edited by Transman; 01/23/22 02:32 PM.
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Re: Is it possible to convert a518 or 46rh to 24 splines?
[Re: A727Tflite]
#3008246
01/23/22 04:56 PM
01/23/22 04:56 PM
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Joined: Jan 2010
Posts: 668 Los Osos, Ca
CKessel
mopar
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mopar
Joined: Jan 2010
Posts: 668
Los Osos, Ca
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After I asked, then I remembered that guy goes by 'Transengineer".
Carl Kessel
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Re: Is it possible to convert a518 or 46rh to 24 splines?
[Re: 74_360_Cuda]
#3008282
01/23/22 06:59 PM
01/23/22 06:59 PM
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Joined: Mar 2010
Posts: 1,061 Atlanta, GA
mgoblue9798
super stock
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super stock
Joined: Mar 2010
Posts: 1,061
Atlanta, GA
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if i remember right, 91/92 518's are non lockup.2 wire connector. i know my 91 is for sure. there was a 92 2 wire for sale close to me. not sure what he wanted for it. Thanks, Would be interested if it is still for sale but would require shipping to Canada. The core 46rh you are looking for has a dual pin wiring plug. The lockup versions had three pins on the harness. Can't go just by the year.
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Re: Is it possible to convert a518 or 46rh to 24 splines?
[Re: mgoblue9798]
#3008296
01/23/22 07:34 PM
01/23/22 07:34 PM
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Joined: Jan 2003
Posts: 12,218 Benton, IL.
DaveRS23
Special needs idiot
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Special needs idiot
Joined: Jan 2003
Posts: 12,218
Benton, IL.
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The non lock-up units still pop up in the pick-a-part salvage yards. The last one I bought, the yard pulled for $175, all in. After a full rebuild, JV bell conversion, A&A forward manual valve body, and Ultimate Concepts converter, it is behind the Hemi in my Cuda. One of the best things I have ever done. Didn't take any surgery and works great with the Slapstick.
I didn't really consider the GearVendors due to the OD ratio. It is not nearly as advantageous as the 518.
Master, again and still
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Re: Is it possible to convert a518 or 46rh to 24 splines?
[Re: moparx]
#3008557
01/24/22 04:04 PM
01/24/22 04:04 PM
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Joined: Aug 2011
Posts: 2,869 Pattison Texas
CSK
master
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master
Joined: Aug 2011
Posts: 2,869
Pattison Texas
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i did the math one time, and all things considered, trans rebuild, driveshaft change, JW bell, converter, for an A518 against the same doings with a 727 with adding a gear vendors unit, and the A518 came out way ahead of the cost of the 727 plus a gear vendors unit. AND the GV is .78 & the 46rh is .69 , so far I love the 46rh in my Charger
1968 Charger COLD A/C Hilborn EFI 512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim 2020 T/A 392 Stock 11.79 @ 114.5
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Re: Is it possible to convert a518 or 46rh to 24 splines?
[Re: CSK]
#3008939
01/25/22 06:28 PM
01/25/22 06:28 PM
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Joined: Feb 2003
Posts: 16,158 Mesa, Arizona
dart4forte
I Live Here
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I Live Here
Joined: Feb 2003
Posts: 16,158
Mesa, Arizona
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I have a fresh 46rh I ended up not using. Small block pattern. Come with fresh converter. Monster transmission did the trans.
“So if it’s on the internet it must be true”
Abe Lincoln
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