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EA81 5 speed/4wd swap


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8 replies to this topic

#1 aaronxs400

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Posted 20 December 2010 - 11:40 AM

I currently have an 83 wagon with auto and FWD.

I am wanting to go to a 5 speed first, then later 4wd.

That being said, is there anyway i can use the 4wd 5 speed transmission in my FWD while i wait to get the 4wd parts?

What parts would I need for the 5 speed swap?


What parts would I need for the 4wd swap?

#2 aaronxs400

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Posted 20 December 2010 - 11:43 AM

And I would also like to eventually go the EJ swap...so if the tranny and awd set up could all be used with both an ea81 and ej that would be great.

#3 Caboobaroo

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Posted 20 December 2010 - 12:00 PM

Well you have a couple different things going on here.

Its easiest to do the 4wd conversion at the same time as the tranny, so then you're not trying to find a way to "make" the 4wd tranny work because well, there really isn't any way to make it work.

To convert yours to a 4wd you'll need the whole rear suspension, axles and rear diff setup from an EA81. You'll also need the EA81 4wd gastank too as it has a recessed area for the rear diff.

Jerry (Bratsrus1 or something like that) makes a kit to bolt the EA82 d/r 5-speed trans into an EA81 body and keep it stock looking. Then later you can do the EJ swap and the drivetrain behind it would be ready to go.

#4 aaronxs400

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Posted 20 December 2010 - 12:12 PM

do you know what all comes with the kit?

#5 aaronxs400

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Posted 20 December 2010 - 12:17 PM

so basically i would have
EA81 engine (later, ej22)
EA82 5 speed trans
???Drive shaft
EA81 4wd Rear Diff/Suspension

#6 xman

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Posted 20 December 2010 - 12:20 PM

The kit can be made up to your specs, but my kit included:
- reworked transmission support crossmember
- new transmission mounts attached to crossmember
- reworked 4 speed shifter to work with the 5 speed
- reworked 4WD actuator rod
- spacers for starter

I also got a clutch plate and flywheel that fit the 5 speed, this was extra and Jerry happened to have them for me.

I then took my one piece driveshaft (i have a Brat) to a local shop and had it lengthened.

Just give Jerry a PM and then a phone call, you couldn't deal with a nicer guy who will help you out. It's a million times better than trying to go it alone.

#7 aaronxs400

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Posted 20 December 2010 - 12:25 PM

i seem to be having a hard time finding ea82 trannys in the junkyards here in ohio....best to just look for one on the forums? or does the trannys from early 90s legacy/impreza fit? those are all over.

#8 aaronxs400

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Posted 20 December 2010 - 12:45 PM

also...does ea82 4wd suspension work on an ea81 at all? also much easier to find.

#9 Caboobaroo

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Posted 20 December 2010 - 01:35 PM

The rear suspension is a similar design and I believe people have done a swap from EA81 to EA82 suspension but thats something you'll have to search for.

You could use the EJ 5-speed as well but there again, you have more fab work to get it to fit correctly. Again, search for an EJ swap into an EA81 though I will let you know now, not a ton of people have put the EJ trans into an EA81 so finding the info will be harder to come by.




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