I think I’d stick with a Chrysler version. I don’t know for a fact but I wonder if the electronics coukd be a problem.

 

You think any Chrysler rwd 6.4 or 5.7 then?

 

It would take someone with more knowledge than me to answer that. I don’t know if there are any differences between years or engines.

 

I'd bet that the bolt pattern to the engine is different even though they technically are the same transmission. I agree that the electronics are probably not compatible.

 

Bolt Patter would most likely be different on the Bellhousing and as said electronics.
That said some internals might be the same or heavier duty. I know for instance companies
on the Nag's rebuild them with the Mercedes internal pumps and clutch packs making them
able to handle more power for higher HP yet the transmission its self will not bolt right on.

 

I have found several that are used for a little over $1000 that I can install on myself while I am waiting on my builder to take care of my busted transmission.

so even if it’s from a Rear Wheel Dr., American 6.4 or 5.7 I’m trying to figure out if I can grab basically any used HP 70 or 90

once my builder is done, I am going to reinstall the transmission that will handle my power and then I’m going to buy a rebuild kit for the used transmission. I bought cheap and take a practice run at doing one myself.

It must be off a Chrysler vehicle.
Even though the 8 speed ZF is identical in operation and internals including the filter pan kit, The electrical connector is different.
The Transmission Control Unit is inside the transmission.
The bell housings are different on the European vehicles.
All the European vehicles that use the ZF 8 speed "lock or marry" the TCU to that vehicle.
If you do put in a Chrysler branded gearbox, it's got to go to the dealer to be flashed to your VIN.
And it will have to be towed there because it won't even move until the TCU is flashed.
It's not 1970 anymore.
-John

 

The 8 speed on the 2012 V6 and the 2015 V8 were actual ZF produced transmissions. After those years, Dodge produced them in house.

Edit, 2012 for the V6, not 2011

 

The 8 speed on the 2011 V6 and the 2015 V8 were actual ZF produced transmissions. After those years, Dodge produced them in house.

The 8 Speed was not Available till 2015 Models the 2010-2014 Automatics was the 5 speed Nag 1 Mercedes Benz Based.

 

A Charger had a 8 speed was available not on a Challenger they did not get the ZF till 2015....

The 2012 Challenger SXT came standard with a 5-speed automatic transmission paired with the 3.6-liter Pentastar V6 engine.

Here's a breakdown of the transmission options for 2012 Dodge vehicles:

• 2012 Challenger SXT: This model was exclusively equipped with a 5-speed automatic transmission.
• 2012 Challenger R/T and SRT8: These higher-performance models were offered with either a 5-speed automatic or a 6-speed manual transmission.
• 2012 Charger: The ZF 8-speed automatic transmission was introduced for the 2012 model year on the Charger, particularly on SXT and SXT Plus models. The Challenger did not receive this transmission until later model years.
  

 

Don’t forget the 2012 300 V6 had the 8-speed too. I remember renting one on vacation in Las Vegas and I was pleasantly shocked at the difference in performance over the old 5-speed.

 

Here’s a follow up I posted in another thread about my transmission. It is a little long so I apologize to those with a short attention span


You are right. After hours of reading and hours of watching videos, it has become obvious this ZF series is not something I want to rebuild myself. and then making sure that I properly go through the learning adaptation portion amongst a few other finicky things. In the end, I have decided that I am going to have HHP Racing do the work. They will be installing a 8HP70 war Viking built by southern hot rod. Shout out to Eddie at southern hot rod for hooking me up with the guys at HHP. I will be dropping the car off for a week in late November. HHP will be taking my transmission out and reinstalling the new transmission as well as taking care of tuning both the car and the transmission so that it is ready to drive when I come back to get it. They will be doing a dual tune 1 for Street, basically backing everything down as much as possible. 6 lb boost or less and one for strip at 10lb boost or more. I hope to be able to accomplish this without changing a pulley but by using the tuner and installing a boost controller so that it can be done while sitting in the car. I can keep the tuner and the boost controller in the glove box so that everything looks stock.

for anyone who has been following a few threads about this car, you know that I bought it without knowing everything that has been done to it and without knowing if it has the correct pistons or not. Talking to HHP. They have told me that if I was on a stock 6.4 with a 3.0L whipple charger and a 3 inch pulley it would’ve exploded already. Considering it has well used drag radials that came on it and I have not babied it at all. They feel pretty confident something must’ve been done. Regardless once it is in the shop if they have any reservations at all, I have told them to go ahead and pull a head off if necessary and if we are wrong and it is running stock pistons, we will put the drops ins in while it is already there. If it starts to eat into my budget a little, I might put that off until January or February and just run the street tune at 6 pounds or less until then. To be honest, it will probably be parked until next March or April regardless, I’m not going to have it out in the winter.

i’m very excited to get the work done and very excited to see what the Dyno numbers look like.