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ZF8HP Transmission swap

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Old Mar 20, 2025 | 07:32 AM
  #421  
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Originally Posted by rkupon1
@SCOTT A, are you running a fuel cell in the bed?
Yes. Fuel cell in the bed with a rear sump and an internal fuel pump. I like the fuel cell because it opens up the bottom for exhaust and suspension options. But I don't like giving up the bed space. Someday I'll mount it where the spare tire would live underneath and route the exhaust around it.
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Old Mar 20, 2025 | 10:12 AM
  #422  
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Originally Posted by gjestico
They should probably get that out there before some poor guy cuts up his stock TCU and finds out there is no going back....
Looks like thats already happened. What a shame. Could have been avoided too.

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Old Mar 20, 2025 | 11:30 AM
  #423  
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Originally Posted by gjestico
These just started to pop up. I have never seen one till few months ago.

Last edited by TurboLamik; Mar 20, 2025 at 11:31 AM. Reason:
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Old Mar 20, 2025 | 04:00 PM
  #424  
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Originally Posted by TurboLamik
These just started to pop up. I have never seen one till few months ago.
so whats the solution/options? I wasnt aware I was supose to be checking my trans before I bought them. This knowledge could ve been helpful prior to the purchasing.
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Old Mar 20, 2025 | 04:53 PM
  #425  
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Word is spreading fast on FB it seems...


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Old Mar 20, 2025 | 05:21 PM
  #426  
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Lucky me. Only 1 of my 8hp70s I have sitting here has a 16 pin connector. Im guessing that would ve been discovered as an issue AFTER you purchased one and tore it down to either soider your own board in or mailed it to turbolamik. I ll have to do some research and see what options there are for the 10pin connector or if its now a paper weight of a trans. Im hoping by running the CanTcu on that one that its compatible. Gunna have to send them an email. I ll report back here fellas. Hate to see anyone else buy an incompaitble trans if thats whats happening.
@TurboLamik feel free to jump in here and clarify.
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Old Mar 20, 2025 | 05:25 PM
  #427  
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Old Mar 20, 2025 | 05:47 PM
  #428  
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So far , based on Rkupons unit, and the one I have seen, its 21-22 Chargers that have this pin issue. Proooobably 23 as well. Maybe someone who has seen more of these trans' can state what year it started ? All across dodge/ram/jeep products, or ?.
Or you can buy another used TCU assy with the correct pins ? If you want to use Turbolamik
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Old Mar 20, 2025 | 06:11 PM
  #429  
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Originally Posted by rkupon1
Lucky me. Only 1 of my 8hp70s I have sitting here has a 16 pin connector. Im guessing that would ve been discovered as an issue AFTER you purchased one and tore it down to either soider your own board in or mailed it to turbolamik. I ll have to do some research and see what options there are for the 10pin connector or if its now a paper weight of a trans. Im hoping by running the CanTcu on that one that its compatible. Gunna have to send them an email. I ll report back here fellas. Hate to see anyone else buy an incompaitble trans if thats whats happening.
@TurboLamik feel free to jump in here and clarify.

"paper weight of a trans" is a huge over exaggeration

These TCUs without all the pins are a new thing but by all means it should not stop you from purchasing the trans. It is not the end of the world.
The replacement TCUs with all the pins are readily available and can be swapped easily.
45, 50, 51, 70, 75, 76 are same TCUs from TurboLamik point of view and are all interchangeable
90 and 95s have longer speed sensors but otherwise are the same.

Those pins carry signals to our TCUs. Basically connections to all the solenoids, speed sensor and temp so yes, they are all needed
They are required for the operation but this is why TurboLamik can do what it does as its a full standalone and not just a CAN gateway with limited funcionality
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Old Mar 20, 2025 | 06:35 PM
  #430  
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Originally Posted by TurboLamik
"paper weight of a trans" is a huge over exaggeration

These TCUs without all the pins are a new thing but by all means it should not stop you from purchasing the trans. It is not the end of the world.
The replacement TCUs with all the pins are readily available and can be swapped easily.
45, 50, 51, 70, 75, 76 are same TCUs from TurboLamik point of view and are all interchangeable
90 and 95s have longer speed sensors but otherwise are the same.

Those pins carry signals to our TCUs. Basically connections to all the solenoids, speed sensor and temp so yes, they are all needed
They are required for the operation but this is why TurboLamik can do what it does as its a full standalone and not just a CAN gateway with limited funcionality
So if I had purchased my 8hp70 from a 2021 Dodge Charger and pulled the 10pin connector/mechatronics and mailed it to you to have the soidering done for turbolamik, it wouldnt have been an issue? That sounds easy enough than. Thats why this was originally brought up, for clarity. The original question about the 10pin connector was dismissed. Since then, I went ahead n purchased an 8hp70 from a 21' dodge charger with 10pins, unbeknownst to me of course.

Last edited by rkupon1; Mar 20, 2025 at 06:52 PM.
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Old Mar 21, 2025 | 12:51 PM
  #431  
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Originally Posted by rkupon1
So if I had purchased my 8hp70 from a 2021 Dodge Charger and pulled the 10pin connector/mechatronics and mailed it to you to have the soidering done for turbolamik, it wouldnt have been an issue?
That is NOT what I wrote. Please read my post again.

Originally Posted by rkupon1
The original question about the 10pin connector was dismissed. Since then, I went ahead n purchased an 8hp70 from a 21' dodge charger with 10pins, unbeknownst to me of course.
Question was not dismissed.
I just didn't see it.
​​​​​​​
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Old Mar 21, 2025 | 02:34 PM
  #432  
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Originally Posted by TurboLamik
That is NOT what I wrote. Please read my post again.


Question was not dismissed.
I just didn't see it.
I did NOT say anything, I asked a QUESTION. You too can reread what I wrote. That was a question that you qouted. Bottom line here is, instead of arguing back n forth, why cant we just get some clarity? Thats all we need is a little clarity. Its not really a big deal. But in all honesty, I would not have purchased this trans with the 10pin connector had I known it is NOT compatible with Turbolamik. Just because im using CanTcu with this build inparticular, it doesnt mean I wouldnt think about upgrading later. I change my builds more than some people change their underwear! It could be a random tuesday where I just up n decide to go turbo and would likely be wanting the turbolamiks capability vs CanTcu. I like to keep my options open. Its not a big deal. But I do try n think ahead alil bit. Not to mention other people need to know their options and differences when considering this swap. Especially before going trans shopping.
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Old Mar 21, 2025 | 04:36 PM
  #433  
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Originally Posted by gjestico
So far , based on Rkupons unit, and the one I have seen, its 21-22 Chargers that have this pin issue. Proooobably 23 as well. Maybe someone who has seen more of these trans' can state what year it started ? All across dodge/ram/jeep products, or ?.
Or you can buy another used TCU assy with the correct pins ? If you want to use Turbolamik
Well I feel like an idiot; I just checked my 2023 8HP70, and I've got a 10 pin connector too. Feel pretty dumb after spending a bunch of time botching a PCB install then hardwiring mechatronic unit to only to just realize it can't be used. I guess I would've figured it out tomorrow as I was planning on finishing my wiring and fiilling/firing it up. I was under the impression dodge units were all the same.

I guess I'm off to ebay to track down a 16 pin unit.

Last edited by runpasthefence; Mar 21, 2025 at 04:58 PM.
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Old Mar 21, 2025 | 04:53 PM
  #434  
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Originally Posted by runpasthefence
Well I feel like an idiot; I just checked my 2023 8HP70, and I've got a 10 pin connector too. Feel pretty dumb after spending a bunch of time botching a PCB install then hardwiring mechatronic unit to only to just realize it can't be used. I guess I would've figured it out tomorrow as I was planning on finishing my wiring and fiilling/firing it up. I was under the dodge units were all the same.

I guess I'm off to ebay to track down a 16 pin unit.
Are you my customer?
Email me and Ill send you a new PCB and Epoxy
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Old Mar 21, 2025 | 04:59 PM
  #435  
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Originally Posted by TurboLamik
Are you my customer?
Email me and Ill send you a new PCB and Epoxy
I am; we were already exchanging emails today actually. I'll shoot you a message.
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Old Mar 21, 2025 | 05:06 PM
  #436  
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Originally Posted by runpasthefence
I am; we were already exchanging emails today actually. I'll shoot you a message.
Send me a note and Ill get that out to you asap
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Old Mar 21, 2025 | 06:16 PM
  #437  
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Originally Posted by runpasthefence
Well I feel like an idiot; I just checked my 2023 8HP70, and I've got a 10 pin connector too. Feel pretty dumb after spending a bunch of time botching a PCB install then hardwiring mechatronic unit to only to just realize it can't be used. I guess I would've figured it out tomorrow as I was planning on finishing my wiring and fiilling/firing it up. I was under the impression dodge units were all the same.
Im betting it s a result of supply chain issues during hieght of the scamdemic!
I guess I'm off to ebay to track down a 16 pin unit.
probably cheaper to just pick up another 8hp70. I ve not seen many mechatronics forsale by themselves...maybe Greg has a lead on them?
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Old Mar 21, 2025 | 06:18 PM
  #438  
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https://www.ebay.com/itm/14645672877...temCondition=4


For 45, 50, 51, 70, 75, 76 unless you wanna try swapping speed sensors
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Old Mar 21, 2025 | 06:20 PM
  #439  
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Thats direct swap for 8hp70? Forgive me for not knowing, most of us arent transmission guys. The 8hp70 swap thing is completely new to most of us.
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Old Mar 21, 2025 | 06:21 PM
  #440  
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Originally Posted by rkupon1
thats direct swap for 8hp70?
It works with 45, 50, 51, 70, 75, 76

Last edited by TurboLamik; Mar 21, 2025 at 06:43 PM.
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