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  #1  
Old 04-05-2019, 01:17 PM
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Join Date: Apr 2019
Location: Modesto CA.
Posts: 4
94 e320 transmission swap

I have a 94 e320 with no reverse due to a b2 piston problem , easy fix, but I recently bought a 97 c280. I was thinking about taking the 722.6 out of the c280 and putting in the e320 that has the 722.4 want to keep the 3.2 in it . will the engine control module from the c280 work in the e320 or will I have to keep the 2.8 mated to 722.6

Last edited by Lothar; 04-05-2019 at 01:52 PM.
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  #2  
Old 04-05-2019, 02:35 PM
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The swap is possible however it will be lots of work / custom wiring. The 2.8 will be too underpowered for the E and converting the current 3.2 to work with the 2.8 FI system will be much work.

Fix the trans in the E and drive the C.
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  #3  
Old 04-05-2019, 03:30 PM
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Location: Modesto CA.
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thanks for the advice 97sl320 .I have a second 722.4 in the process of rebuilding for the E , but was also considering putting a manual gear box in the E , however even though installing the pedal box doesn't look too difficult , installing the hydraulic master sounds a little more challenging . really just looking for a stronger alternative to the 722.4 . any suggestions would be greatly appreciated
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  #4  
Old 04-05-2019, 07:31 PM
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I run a 722.6 in my 124 coupe with a standalone controller. Its a pretty steep learning curve to tune the standalone. You can set one up to do anything, though only about 5% of anything is something that resembles proper transmission behavior. That said, best mod ever. Despite the high cost entry and work tuning, I don't regret it at all. Not even a little bit. 5th gear is great and even my 104.980 which isn't a low RPM torque motor pulls 5th just fine. Did I mention... best mod ever.
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90 300TE 4-M

Turbo 103, T3/T04E 50 trim
T04B cover .60 AR
Stage 3 turbine .63 AR
A2W I/C, 40 LB/HR
MS2E, 60-2 Direct Coil Control
3" Exh, AEM W/B O2
Underdrive Alt. and P/S Pulleys,
Vented Rear Discs, .034 Booster.
3.07 diffs, 1st Gear Start

90 300CE 104.980
Milled & ported head, 10.3:1 compression
197 intake cam w/20 advancer
4 ignition advance
PCS TCM2000 running 722.6 trans, 600W PWM fan, water injection
Sportline sway bars
V8 rear subframe, Quaife ATB 3.06 diff
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  #5  
Old 04-05-2019, 09:00 PM
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Location: Modesto CA.
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thanks for the input duxthe1 , it sounded like a pretty cool mod, and saw a lot of people doing it and ever since I blew out the .4 being too impatient one day not letting it fully engage into gear I've wanted a tougher trany , even considered a manual swap but with acquiring the perfect donor , ( 97 C280 w202 m104 $200 ) I'm gonna have a new project
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  #6  
Old 04-06-2019, 01:56 PM
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Posts: 3,225
While the 97 trans will bolt right up, its not the best choice given the amount of work and expense. The earlier trans is known for catastrophic K2 failure. The valvebody also went through a couple of iterations with the latest version presumably the better choice. If I recall correctly after 2001 the k2 problem was fixed so I'd look for a cheap post 01 trans and swap the bellhousing to bolt it to the 104. That will be bulletproof.
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90 300TE 4-M

Turbo 103, T3/T04E 50 trim
T04B cover .60 AR
Stage 3 turbine .63 AR
A2W I/C, 40 LB/HR
MS2E, 60-2 Direct Coil Control
3" Exh, AEM W/B O2
Underdrive Alt. and P/S Pulleys,
Vented Rear Discs, .034 Booster.
3.07 diffs, 1st Gear Start

90 300CE 104.980
Milled & ported head, 10.3:1 compression
197 intake cam w/20 advancer
4 ignition advance
PCS TCM2000 running 722.6 trans, 600W PWM fan, water injection
Sportline sway bars
V8 rear subframe, Quaife ATB 3.06 diff
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  #7  
Old 04-08-2019, 08:46 PM
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Location: Georgia Tech, Atlanta, GA
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Quote:
Originally Posted by duxthe1 View Post
I run a 722.6 in my 124 coupe with a standalone controller. Its a pretty steep learning curve to tune the standalone. You can set one up to do anything, though only about 5% of anything is something that resembles proper transmission behavior. That said, best mod ever. Despite the high cost entry and work tuning, I don't regret it at all. Not even a little bit. 5th gear is great and even my 104.980 which isn't a low RPM torque motor pulls 5th just fine. Did I mention... best mod ever.
Would you mind telling me which controller you used? Could you describe a few of the problems you ran into? 722.6 is probably the eventual solution for at least one of my cars, probably my 190E if I turbo it.
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80 300SD 183K
83 300D manual 100K chassis
86 Yugo GV 48K
88 Yugo GVX 9K
90 300D 230K
90 Lexus LS400 189k
91 F150 4.6 4v 160K
93 190E 3.0 Sportline Limited Edition 230K
93 190E 2.6 Sportline Limited Edition 91K
96 MGM LS 242K- RIP
03 Sprinter Passenger 220K
06 MGM LS 105K-sold
Parts cars:
77 240D Auto-RIP
79 300SD- RIP
80 300SD
83 240D-RIP
85 240D-RIP
87 190D-RIP
91 190E 2.3- RIP
93 190E 2.6-RIP
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  #8  
Old 04-08-2019, 08:54 PM
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I'd assume duxthe1 is running the TCM2000 as he mentions in his signature. I like my ofgear controller, behind my KE jet M104.990 I also have peddle shifters waiting to be installed - have not found the time to do so.
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  #9  
Old 04-08-2019, 11:18 PM
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Quote:
Originally Posted by ytech15 View Post
I'd assume duxthe1 is running the TCM2000 as he mentions in his signature. I like my ofgear controller, behind my KE jet M104.990 I also have peddle shifters waiting to be installed - have not found the time to do so.
That's the one I've read more about. How difficult was it to install and get operating properly?
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80 300SD 183K
83 300D manual 100K chassis
86 Yugo GV 48K
88 Yugo GVX 9K
90 300D 230K
90 Lexus LS400 189k
91 F150 4.6 4v 160K
93 190E 3.0 Sportline Limited Edition 230K
93 190E 2.6 Sportline Limited Edition 91K
96 MGM LS 242K- RIP
03 Sprinter Passenger 220K
06 MGM LS 105K-sold
Parts cars:
77 240D Auto-RIP
79 300SD- RIP
80 300SD
83 240D-RIP
85 240D-RIP
87 190D-RIP
91 190E 2.3- RIP
93 190E 2.6-RIP
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  #10  
Old 04-09-2019, 10:18 PM
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Location: South NJ
Posts: 81
I think Its the most user friendly controller for the 722.6 as it's designed for that specific box unlike other standalone tcus, if thats where you're heading, I'll gladly assist.

Last edited by ytech15; 04-10-2019 at 11:55 AM. Reason: refined meaning
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  #11  
Old 04-09-2019, 10:47 PM
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Quote:
Originally Posted by ytech15 View Post
Its the most user friendly controller for the 722.6 as it's designed for that specific box unlike other standalone tcus, if thats where you're heading, I'll gladly assist.
I feel that is a misleading statement that is not really accurate at all. There are literally thousands of hours into the PCS TCM-2800 for these transmissions and the OF gear tcu was basically a copy of what we were doing 10 years ago. I do not know how it has evolved but to say that others are not designed for the 722.6 is just inaccurate.
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  #12  
Old 04-09-2019, 11:15 PM
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Location: Modesto CA
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Quote:
Originally Posted by ytech15 View Post
I also have peddle shifters waiting to be installed - have not found the time to do so.

Motorcycles have peddle shifters, don't they?

Last edited by Frank Reiner; 04-10-2019 at 12:03 PM.
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  #13  
Old 04-10-2019, 11:54 AM
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Join Date: Aug 2017
Location: South NJ
Posts: 81
Quote:
Originally Posted by whipplem104 View Post
I feel that is a misleading statement that is not really accurate at all. There are literally thousands of hours into the PCS TCM-2800 for these transmissions and the OF gear tcu was basically a copy of what we were doing 10 years ago. I do not know how it has evolved but to say that others are not designed for the 722.6 is just inaccurate.
I shared my opinion on the topic, sorry if you find it misleading. I was able to implement a Bluetooth interface to the ofgear that allows me to adapt the unit directly from my android phone that's why I find it user friendly.

Frank - I am not sure how to respond, here are my peddles have. not seen this kind on a motorcycle yet.
Attached Thumbnails
94 e320 transmission swap-img788.jpg  

Last edited by ytech15; 04-10-2019 at 01:23 PM.
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  #14  
Old 04-10-2019, 01:40 PM
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Posts: 3,225
I have a TCM2000 with custom 2000/2800 hybrid software. Its pretty straightforward to install if wrenching and wiring don't intimidate you, but tuning requires time, effort, and miles. I'm a bit of a perfectionist though and have probably spent 50% of the tuning on the last 5% of the tune.

FWIW, even if the TCM 2000 is still available, the 2800 is hands down the way to go. Seeing what the ported software could do on the 2000 I'm pretty sure the 2800 hardware is next level ****.
__________________
90 300TE 4-M

Turbo 103, T3/T04E 50 trim
T04B cover .60 AR
Stage 3 turbine .63 AR
A2W I/C, 40 LB/HR
MS2E, 60-2 Direct Coil Control
3" Exh, AEM W/B O2
Underdrive Alt. and P/S Pulleys,
Vented Rear Discs, .034 Booster.
3.07 diffs, 1st Gear Start

90 300CE 104.980
Milled & ported head, 10.3:1 compression
197 intake cam w/20 advancer
4 ignition advance
PCS TCM2000 running 722.6 trans, 600W PWM fan, water injection
Sportline sway bars
V8 rear subframe, Quaife ATB 3.06 diff
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  #15  
Old 04-18-2019, 10:03 PM
88Black560SL
 
Join Date: Oct 2004
Location: NC
Posts: 2,970
Getting that 5th gear and lockup converter is a real plus. Huge increase in gas mileage. This is a pretty big mod but a worthwhile one.
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