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FA20dit Transmission options?
Posted 20 April 2018 - 02:49 PM
Anyone swap in a RWD transmission from any other car?
Posted 20 April 2018 - 02:58 PM
Posted 23 April 2018 - 09:25 PM
Also, potential standalone ECUs? The guy doing all the wiring thinks he can make the stock ECU work. I have my doubts even though he's a total wizard. ECU options as a plan B? This isn't going to be a super high performance build at all.
Head on over to Speeduino. DIY, open-source standalone developed by the Aussies.
It is tunable and can be configured to work with whatever sensors and injectors you like.
You can get into a basic setup for a couple hundred bucks.
This is being used on everything from lawn mowers to V-12 tank engines.
The future is now!!
Posted 24 April 2018 - 07:01 PM
i'm just guessing but, don't Subaru and Nissan both use JATCO trans? seems like there is a good chance something would bolt-up. But, I realize also, the trans could easily be built to incompatible specs....
nasioc.com could be a good source for you to check out. Search and read before posting as there's always a coupla folks there ready to attack a noobie it seems.
Edited by 1 Lucky Texan, 24 April 2018 - 07:01 PM.
Posted 24 April 2018 - 09:20 PM
Posted 24 April 2018 - 10:58 PM
Bratman, do you know where the clearance issue is in that scenario?
I've never seen a BRZ transmission up close, so I'm trying to imagine what would get in the way.
Can you not use an EJ nose-coneless starter on that side? And the BRZ starters are the direct-drive with a nosecone that hits the engine flange?
Posted 24 April 2018 - 11:03 PM
Posted 24 April 2018 - 11:13 PM
I don't see why you couldn't take the center diff out and weld it, or fix it in some other manner.
Old hot rodders used to fill them with molten lead.
Best thing would be to find someone on here who has a bad diff, and would gladly pay shipping both ways to swap with you.
Then, weld away with no regrets!
Posted 24 April 2018 - 11:22 PM
Posted 25 April 2018 - 12:49 AM
The way I see it, you've got nothing to lose. Unless you were planning to get rich selling the CVT.
Posted 25 April 2018 - 08:44 AM
Posted 25 April 2018 - 10:58 AM
Posted 25 April 2018 - 11:10 AM
Yeah, I think I asked you about it being to wide on another thread.
Go to the Speeduino forum. You can get pretty much all the details there, reading about other builds.
Posted 25 April 2018 - 02:55 PM
Posted 25 April 2018 - 03:04 PM
It is unlikely the transmission will work for this purpose. It is too highly integrated with traction control systems, and other module that you couldn't possibly make work. It is designed to be AWD and the control computer will certainly not appreciate you attempting to turn it into a RWD. It will not operate at all without it's computer, and there is no way to reprogram it as they have not been hacked by the open source community.
What you are attempting is going to be quite difficult, if not impossible. At the very least it will be much harder than other options that would be a LOT easier and arguably much more fun. An LS swap for instance.
Posted 25 April 2018 - 03:09 PM
Any clue what the engine differences are between a FA20 and a FA20dit? Obviously compeession is lower for the turbocharged motor
Posted 25 April 2018 - 03:35 PM
Posted 26 April 2018 - 05:30 PM
I think if the center diff were mechanically locked, the TCU would have no way of knowing... till you did a burnout.
Of course it would take a lot of work to fool it. You'd need ABS sensors as well.
I've always thought it would be cool to just hook up manual switches to the CVT. Maybe like a lever or paddle switch on the column to change ratio. And a microswitch on the gas pedal to control the converter, just like the Justy ECVT.
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