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replacing 56 dodge powerflite with a torqueflie..whats involved?
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tailfins
Posted 2024-10-07 9:20 PM (#637281)
Subject: replacing 56 dodge powerflite with a torqueflie..whats involved?


Expert

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Location: calif		other than changing the push button selector,wondering what else needs changing in a passenger car?
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Mopar1
Posted 2024-10-09 4:23 PM (#637323 - in reply to #637281)
Subject: Re: replacing 56 dodge powerflite with a torqueflie..whats involved?



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Posts: 3082
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Location: N.W. Fla.		TF up to '61 from a Hemi, hemi based poly or "A: Poly should bolt right up. Believe you'd need a tranny cooler in the radiator.
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56D500boy
Posted 2024-10-09 8:52 PM (#637327 - in reply to #637281)
Subject: RE: replacing 56 dodge powerflite with a torqueflie..whats involved?



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tailfins - 2024-10-07 6:20 PM
other than changing the push button selector,wondering what else needs changing in a passenger car?


Charlie: I had this done in January 2020 (just before Covid). I couldn't do it myself for many reasons.

I wrote up a fairly extensive post about my experience(s) and what I would do if I had to do it again
(e.g. maybe not do it and instead put the money towards a real paint job).

But that is water under the bridge now.

Here are my hints on this topic:

http://www.forwardlook.net/forums/forums/thread-view.asp?tid=73638&...

I can answer any questions that you have.

One thing is you need a good working A-466 cast iron torqueflite and compatible torque converter to start with.

Good luck.

Dave F

Edited by 56D500boy 2024-10-10 10:33 AM
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wayfarer
Posted 2024-10-10 10:24 AM (#637332 - in reply to #637281)
Subject: Re: replacing 56 dodge powerflite with a torqueflie..whats involved?



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Location: Peoples Republic of Oregon		Pretty impressive documentation Dave!!
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56D500boy
Posted 2024-10-10 10:41 AM (#637333 - in reply to #637332)
Subject: Re: replacing 56 dodge powerflite with a torqueflie..whats involved?



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wayfarer - 2024-10-10 7:24 AM
Pretty impressive documentation Dave!!


Thanks Gary. I did that to clarify in my mind what had happened and what I could have done better (e.g. the transmission rear mount).

I was also hoping that any others who did the conversion would be able to avoid my "mistakes"/bad choices.

I am still not done beating myself up regarding the transmission mount and still hope to actually build "Plan Z" mounts for a relocated but
otherwise untouched OE cross-member.

http://www.forwardlook.net/forums/forums/thread-view.asp?tid=70454&...


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Mopar1
Posted 2024-10-11 10:18 AM (#637347 - in reply to #637333)
Subject: Re: replacing 56 dodge powerflite with a torqueflie..whats involved?



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Location: N.W. Fla.
56D500boy - 2024-10-10 9:41 AM

wayfarer - 2024-10-10 7:24 AM
Pretty impressive documentation Dave!!


Thanks Gary. I did that to clarify in my mind what had happened and what I could have done better (e.g. the transmission rear mount).

maybe I was just fortunate, but when I replaced the /6-3 on the tree in my '60 Plym with a 331 Hemi & 727 all I had to do was cut off the flat horizontal plate with the coil spring on it on the OEM mount & replaced it with 2 vertical plates & used a truck loop down type tranny mount.
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Powerflite
Posted 2024-10-11 10:56 AM (#637350 - in reply to #637281)
Subject: Re: replacing 56 dodge powerflite with a torqueflie..whats involved?



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Location: So. Cal		As long as you are changing things around, I would just put in a push-button 727 instead. You'll need an adapter that costs money, but you'll end up with a lighter trans that is easier to work on and get parts for.
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Mopar1
Posted 2024-10-11 11:43 AM (#637351 - in reply to #637350)
Subject: Re: replacing 56 dodge powerflite with a torqueflie..whats involved?



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Powerflite - 2024-10-11 9:56 AM

As long as you are changing things around, I would just put in a push-button 727 instead. You'll need an adapter that costs money, but you'll end up with a lighter trans that is easier to work on and get parts for.
And "Wayfarer" here makes a good adaptor.
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56D500boy
Posted 2024-10-11 3:24 PM (#637356 - in reply to #637350)
Subject: Re: replacing 56 dodge powerflite with a torqueflie..whats involved?



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Powerflite - 2024-10-11 7:56 AM
As long as you are changing things around, I would just put in a push-button 727 instead. You'll need an adapter that costs money, but you'll end up with a lighter trans that is easier to work on and get parts for.


Sounds good but there are issues with that pathway too, e.g. eBrake.

Here are some details from Dave H. that he wrote up on his old website in 2018 (website is gone now):

"Project Scope: Install a 727 TorqueFlite (gear ratios 2.45, 1.45, 1.00) into a 1956 Dodge originally equipped with a PowerFlite (gear ratios 1.72, 1.00). Convert to 3 speed pushbutton cluster. Since rear axle brakes have no emergency cables, a transmission mounted emergency brake drum is required. Other 1956 to 1961 Mopars should be very similar. The main advantages of this conversion are an increase in reliability due to the newer design, a 42% increase in first gear torque applied to the rear wheels, and higher torque converter stall speed for more HP at the start. Imagine changing a 68 Road Runner from an axel ratio of 2.5 to 3.55!

I. TorqueFlite 727 specifications:

A. Transmission core: 1962 A727 (any 1962 to 1965 A727 TorqueFlite will work) for an A series small block (318).
1. A later mechanical shifted (1966 and up) A727 could be used. Imperial Services has available a kit to allow the original pushbutton shifter to be used to shift the newer transmission. This requires replacing the detent spring in the valve body with a softer one so the light force of the cable can make the shifts.

B. Tail section: 1962 Chrysler (B727, from a B series big block engine: 361, 383, 413, 426) with brake drum on the end, to be installed on A727 case. This is the only 727 TorqueFlite available with an emergency brake drum. Many motor home 727s also use this emergency brake drum.
1. If a transmission without a brake drum is used, there will be no emergency brake. There are 2 alternatives: swap the rear end for a newer 8 3/4 with emergency brakes. Or convert the original rear end brake assemblies to later designs that have built in emergency brakes. The 62 - 64 Mopar tapered axle shaft drums and backing plates may fit.
2. The transmission emergency brake drum also does double duty as a parking function. There are 2 alternatives: use a rear end with a built-in emergency brake. Or use the (62 - 65) cable actuated park function in the tail section. A 62 - 64 factory dash mounted park lever might be mounted to actuate the cable. Only concern is in the factory pushbutton set up, the trans could not be shifted out of neutral until the park lever was disengaged. Since there is no link in a 56, you could put the trans in Drive and apply power with Park still engaged.

C. Internals:
Item Applicable years
1 4 clutch 3rd gear drum HP 68 – 70
2 Kick-down servo-piston: solid (modified original: removed cushion springs) + 2 return springs HP 68 – 70
3 4 clutch drum/front pump 71+
4 Red lined solid band + 3.8 or 4.2 lever (was 2.9)
5 Input shaft 24 spline 67+
6 Torque converter, stall 2500 rpm, 24 spline 67+
7 Borg-Warner Hi Performance clutches, desprung 2nd and direct, ridged band, input shaft end play 0.045, forward clutch clearance .025 - .030, direct clutch clearance.090, 2nd band 2 turns @ 50 in-lbs, reverse band 2 turns @ 72 in- lbs., Per Chuck Lofgren,
763-753-7573. "

OTHER INFO and then:

"K. Most known adapters use the small block 727.
Adapter sources:
1. TrWaters: Allows the use of stock torque converter cover shields. This appears to be the best option in my opinion. http://home.together.net/~****ers/index.html
2. Hot Heads: http://www.hothemiheads.com/
3. Quality Engineered Components: 1-888-HEMI-PARTS, bacchus_lane@yahoo.com
4. PAW: http://www.earlyhemiengineparts.com/
5. Rally Enterprises: http://www.earlyhemiparts.com/rally-transmission.shtml See user feedback comments about this adapter in paragraph H below.
6. Power Play: http://www.powerplayhemi.com/
7. WilCap: http://www.wilcap.com/
8. Bendtsen's Transmission Center: 763-767-4480
9. TCI Transmissions 888-776-9824 (to Chevy trans)
10. There are some adapters to use GM Chevy pattern transmissions, including overdrive designs. Also, the Mopar 518 or 618 Overdrive will fit a 727 style adapter. There is even one company that modifies the bell housing of a Ford AOD overdrive to fit a small block Mopar (or early Hemi with adapter for 727). "

I read through Dave's entire document several times before I decided to just use a 57 Winsdor A-466 cast iron TF with an air-cooled torque converter.


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Powerflite
Posted 2024-10-11 4:10 PM (#637359 - in reply to #637281)
Subject: Re: replacing 56 dodge powerflite with a torqueflie..whats involved?



Exner Expert 10K+

Posts: 10016
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Location: So. Cal		Another benefit of the push-button 727 is that it has a park function. That's a really nice option that wasn't available on these cars when new.
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Mopar1
Posted 2024-10-12 10:25 AM (#637362 - in reply to #637356)
Subject: Re: replacing 56 dodge powerflite with a torqueflie..whats involved?



Expert

Posts: 3082
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Location: N.W. Fla.
56D500boy - 2024-10-11 2:24 PM



"K. Most known adapters use the small block 727.
Adapter sources:
1. TrWaters: Allows the use of stock torque converter cover shields. This appears to be the best option in my opinion. http://home.together.net/~****ers/index.html
2. Hot Heads: http://www.hothemiheads.com/
3. Quality Engineered Components: 1-888-HEMI-PARTS, bacchus_lane@yahoo.com
4. PAW: http://www.earlyhemiengineparts.com/
5. Rally Enterprises: http://www.earlyhemiparts.com/rally-transmission.shtml See user feedback comments about this adapter in paragraph H below.
6. Power Play: http://www.powerplayhemi.com/
7. WilCap: http://www.wilcap.com/
8. Bendtsen's Transmission Center: 763-767-4480
9. TCI Transmissions 888-776-9824 (to Chevy trans)
10. There are some adapters to use GM Chevy pattern transmissions, including overdrive designs. Also, the Mopar 518 or 618 Overdrive will fit a 727 style adapter. There is even one company that modifies the bell housing of a Ford AOD overdrive to fit a small block Mopar (or early Hemi with adapter for 727). "

I read through Dave's entire document several times before I decided to just use a 57 Winsdor A-466 cast iron TF with an air-cooled torque converter.


Power Play is the name used by Bob before Bob bought Hot Heads. For QEC I have hemi.parts@yahoo.com

Edited by Mopar1 2024-10-12 10:27 AM
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wayfarer
Posted 2024-10-14 11:13 AM (#637384 - in reply to #637281)
Subject: Re: replacing 56 dodge powerflite with a torqueflie..whats involved?



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Posts: 906
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Location: Peoples Republic of Oregon		...yeah, that list is definitely old. My website has current contact info. 541-390-8085 and hemi.parts@yahoo.com

Now, back to tailfins project.

Edited by wayfarer 2024-10-14 11:14 AM
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