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Advantages of T56 over Passion 5 speed? #1492544
08/29/13 07:38 PM
08/29/13 07:38 PM
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Fly Over States
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PHJ426 Offline OP
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After seeing the install of the T56 on RP's Cuda and the floor work that has to happen for the T56 to be installed I have a few questions.....

Is the T56 6 speed that much stronger than the Passion 5 speed?

Is having 6 gears more important than 5?

Is cutting the factory transmission / torsion bar crossmember a big deal?

Or is all well after it has been rejoined over the top of the trans like in RP's Cuda?

Any other opinions or suggestions on the Passion 5 speed vs T56 6 speed that I have not covered?

Re: Advantages of T56 over Passion 5 speed? [Re: PHJ426] #1492545
08/29/13 08:16 PM
08/29/13 08:16 PM
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Battle Ground, Washington
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Rapom65 Offline
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From what I understand of the six speeds:
If rear axle gear is high numerically it makes 1st and possibly 2nd not very usable.
If rear axle gear is low numerically it makes 6th not very usable (on highway - might be different on track)
Reconfiguring the tunnel and cross member is quite a bit of work.
If one of the gears, 1st or 6th, are some what unusable you essentially have a 5 speed anyway, whats the sense in going through all that installation hassle?
If I remember right Jamie said he felt his trans would hold up to 750 ft lbs.
I know which way I'd go.

Re: Advantages of T56 over Passion 5 speed? [Re: Rapom65] #1492546
08/29/13 08:49 PM
08/29/13 08:49 PM
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Nebraska
72Swinger Offline
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One is the T56 Magnum you can order and have next day'd if needed and the trans costs $2895 instead of $4300+. The T56 is essentially geared identical to an 833 but with 2 extra OD gears. Plus the shifting of a T56 is snick,snick not row,row like an 833. If I had a numbers matching rarity that I wanted to drive I would go with the Passon if,if,if I could get one. Some people require a bolt in trans so if that is the case the $4300 makes sense. All 6 of my gears are very usable indeed.


Mopar to the bone!!!
Re: Advantages of T56 over Passion 5 speed? [Re: 72Swinger] #1492547
08/29/13 09:02 PM
08/29/13 09:02 PM
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PHJ426 Offline OP
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Can a Hurst handle and pistol grip shifter be installed on the T56 or is the cue ball the only option?

Also is it best to cut the floor and crossmember with weight off the front end and torsion bars backed off so everything can be welded in the "at rest position" and unloaded?

Re: Advantages of T56 over Passion 5 speed? [Re: 72Swinger] #1492548
08/29/13 09:07 PM
08/29/13 09:07 PM
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Manitoba Canada
67autocross Offline
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T 56 shifts great, I had one behind a 400Hp LT1 in one of the other cars we can't talk about on Moparts and it worked great. The rear end had 373's with a torsen and it was fun to drive. If I was installing one again I would not go lower than 355 gears. This is a proven transmission that you can get parts for anywhere if something breaks, and they all break.


A new iron curtain drawn across the 49th parallel
Re: Advantages of T56 over Passion 5 speed? [Re: 67autocross] #1492549
08/29/13 09:12 PM
08/29/13 09:12 PM
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PHJ426 Offline OP
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Right now I have a 26" tall tire all 4 corners and a 2.94 SG rear end in the car with the 727 trans in it now.

Column shifted automatic is definitely boring and the bench seat, well that has to go before I start taking corners in this car or Ill be sliding all over the place.

Re: Advantages of T56 over Passion 5 speed? [Re: PHJ426] #1492550
08/29/13 09:13 PM
08/29/13 09:13 PM
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Nebraska
72Swinger Offline
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Quote:

Can a Hurst handle and pistol grip shifter be installed on the T56 or is the cue ball the only option?

Also is it best to cut the floor and crossmember with weight off the front end and torsion bars backed off so everything can be welded in the "at rest position" and unloaded?


Any Comp Plus handle works on the Magnums and on my Viper T56 I installed a Hurst 03/04 Mustang Billet shifter in and then it too uses any Comp 2 bolt handle as well. I found a used CF E-body Pistol grip handle on ebay.


Mopar to the bone!!!
Re: Advantages of T56 over Passion 5 speed? [Re: 72Swinger] #1492551
08/29/13 09:45 PM
08/29/13 09:45 PM
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Rapom65 Offline
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Swinger, nothing can beat a new tranny for shift quality that is for sure. Out of curiosity what is your rear axle ratio? I would think if it is not within a certain ball park you would have to include a new ring and pinion in the cost calculation to keep all six in the "sweet spot". Asking because I truly don't know.

Isn't a Quick Time bell required and aren't they in the $600 neighborhood? What else has to be purchased or modified: clutch, clutch linkage, shifter handle & ball, yoke & u joints, does the drive shaft have to be cut? Does the $2895 include all that?

Not trying to be a pecker but you have to be all inclusive in cost comparisons and time/effort involved. Is the Passion a glorified aluminum case 883 OD? Yes. Is a T56 superior? Probably, but is it really cheaper? Labor may be free or maybe the OP would have to pay someone to do the install due to skills, time, tools?

My only experience with swapping in a modern trans was helping my friend install a "no mods" Keisler 5 speed. What a frickin nightmare. To this day it still wont shift worth a damn and that's after another clutch & throwout bearing and a trip back to the manufacturer. He is a very dissatisfied customer.

Re: Advantages of T56 over Passion 5 speed? [Re: Rapom65] #1492552
08/29/13 10:21 PM
08/29/13 10:21 PM
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ohio
CumminsExpress Offline
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I just got a t56 2000 viper tranny with 30,000 miles delivered for $1100 you have to be patient and wait for one took 2 months. the quick time was $595 shipped the tranny has a hyd throw out bearing so will add a hyd set up for the pedal.

I got the viper because I want the .50 6th gear

Re: Advantages of T56 over Passion 5 speed? [Re: Rapom65] #1492553
08/29/13 10:44 PM
08/29/13 10:44 PM
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Nebraska
72Swinger Offline
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Quote:

Swinger, nothing can beat a new tranny for shift quality that is for sure. Out of curiosity what is your rear axle ratio? I would think if it is not within a certain ball park you would have to include a new ring and pinion in the cost calculation to keep all six in the "sweet spot". Asking because I truly don't know.

Isn't a Quick Time bell required and aren't they in the $600 neighborhood? What else has to be purchased or modified: clutch, clutch linkage, shifter handle & ball, yoke & u joints, does the drive shaft have to be cut? Does the $2895 include all that?

Not trying to be a pecker but you have to be all inclusive in cost comparisons and time/effort involved. Is the Passion a glorified aluminum case 883 OD? Yes. Is a T56 superior? Probably, but is it really cheaper? Labor may be free or maybe the OP would have to pay someone to do the install due to skills, time, tools?

My only experience with swapping in a modern trans was helping my friend install a "no mods" Keisler 5 speed. What a frickin nightmare. To this day it still wont shift worth a damn and that's after another clutch & throwout bearing and a trip back to the manufacturer. He is a very dissatisfied customer.


I agree, and the Passon has its place for ie; 1970 Hemi Cuda with a 4 spd already in it would be a perfect candidate. I think I have right around $3-3200 in my entire conversion. Yes Quicktime bell was $535 a year and a half ago when I bought it. Take into account that it is a scattershield and sfi cert'd. 10.5" Flywheel $150, clutch $300, driveshaft $400, Hurst billet shifter $130, shift handle ???, Viper slave cylinder $125 (Dorman), Wilwood master $100, braided line $30, an fitting $20, metal for floor and crossmember $75 etc. I already had clutch pedals. Here is a pic of my homemade clutch master setup with the Wilwood 7/8" bore master.

7832745-005.JPG (498 downloads)

Mopar to the bone!!!
Re: Advantages of T56 over Passion 5 speed? [Re: 72Swinger] #1492554
08/29/13 11:02 PM
08/29/13 11:02 PM
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ohio
CumminsExpress Offline
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what clutch are your 72?

Re: Advantages of T56 over Passion 5 speed? [Re: CumminsExpress] #1492555
08/29/13 11:17 PM
08/29/13 11:17 PM
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Nebraska
72Swinger Offline
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I found a Kevlar Zoom, slightly used, 26 spline Chevy disc at a swap meet for $50. Then I bought a Spec #gm012 pressure plate. When I get another engine together I have a new McLeod RST #6913-07 that I found for $375 shipped.


Mopar to the bone!!!
Re: Advantages of T56 over Passion 5 speed? [Re: CumminsExpress] #1492556
08/29/13 11:20 PM
08/29/13 11:20 PM
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up yours
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When I converted my 87 Diplomat over to 4 speed I rebuilt the A833, new Hurst Comp shifter. It was smooth shifting, two fingers is all it took. Taught two of my daughters how to drive stick with that car.

I did take the shifter apart, smooth any burrs, light polish on the shifter levers, clean, grease and reassemble. Nothing magic, just a once over.


They say there are no such thing as a stupid question.
They say there is always the exception that proves the rule.
Don't be the exception.
Re: Advantages of T56 over Passion 5 speed? [Re: 72Swinger] #1492557
08/29/13 11:51 PM
08/29/13 11:51 PM
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Battle Ground, Washington
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Rapom65 Offline
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That should have been "shifter and handle" sorry.

Re: Advantages of T56 over Passion 5 speed? [Re: Rapom65] #1492558
08/29/13 11:58 PM
08/29/13 11:58 PM
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Nebraska
72Swinger Offline
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Quote:

That should have been "shifter and handle" sorry.


NO,no I put question marks because shifter handle prices are all over the place. My first shifter was a $70 bent billet Longacre with a $12 Hurst black plastic ball. For some reason the Pistol Grip was to irresistible to not get. I honestly have more confidence with it too.

7832846-022.JPG (455 downloads)

Mopar to the bone!!!
Re: Advantages of T56 over Passion 5 speed? [Re: 72Swinger] #1492559
08/30/13 12:04 AM
08/30/13 12:04 AM
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Battle Ground, Washington
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I've got the E body pistol grip and carbon fiber panels just like yours. Love the way it feels/looks but I hope it's not going to be up against my leg once I get this thing on the road.

Re: Advantages of T56 over Passion 5 speed? [Re: Rapom65] #1492560
08/30/13 12:10 AM
08/30/13 12:10 AM
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Nebraska
72Swinger Offline
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What trans/car? The Longacre placement wise was perfect, IIRC it had a 3" setback. If the PG was bent rearward about 1.5" it would be better for cruising. When I hit the track though and the seat gets slid forward a bit, it should be fine though.


Mopar to the bone!!!
Re: Advantages of T56 over Passion 5 speed? [Re: 72Swinger] #1492561
08/30/13 12:18 AM
08/30/13 12:18 AM
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Battle Ground, Washington
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It's a standard 4 speed hump and OD trans in my Duster that is offset to the driver's side so much. I have a work around figured out if it becomes an annoyance.

Re: Advantages of T56 over Passion 5 speed? [Re: Rapom65] #1492562
08/30/13 12:31 AM
08/30/13 12:31 AM
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PHJ426 Offline OP
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If I installed a T56 in an old Mopar and cut the tunnel and torsion bar crossmember I would install some tubing from the firewall through the top of the trans tunnel cut all the way back to the rear crossmember somehow. Along with building the tying in of the upper trans crossmember.

Re: Advantages of T56 over Passion 5 speed? [Re: PHJ426] #1492563
08/30/13 12:39 AM
08/30/13 12:39 AM
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Nebraska
72Swinger Offline
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Some pics of mine

7832904-006.JPG (1256 downloads)

Mopar to the bone!!!
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