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Is it possible to mate an EA81 to 97 impreza?


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17 replies to this topic

#1 rrgrr

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Posted 16 August 2013 - 07:49 AM

I want the best of both worlds: -EA81 w/97 trans, running gear, car. Has anyone done this? I really like the Impreza OB sport, but can't afford any w/ under 200K miles...and i love my EA81's. Please redirect my post if this is the wrong forum...

 



#2 MilesFox

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Posted 16 August 2013 - 08:23 AM

you would have to subtract frm the bellhousing to make it work. 

 

now say if you put a ea81 with a fwd ea82 trans that would work



#3 rrgrr

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Posted 16 August 2013 - 08:37 AM

So the bellhousing is too long -is that what you mean? If I swap anything it will be to get 4wd.



#4 ivans imports

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Posted 16 August 2013 - 08:43 AM

If you take a trans from 90-93 loyale remove guts and use your impreza trans guts in your loyale case gives you a awd trans with ea81-82 bolt up the engine whould fitt sloting mount holes might need to be done. Loyale clutch / flywheel and a ton of time making hoses ect work but could be done will be a gutless wonder but cheap on gas



#5 leniac

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Posted 16 August 2013 - 09:00 AM

but the impreza is too heavy for that poor engine...



#6 ivans imports

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Posted 16 August 2013 - 09:01 AM

84 gl vs 97 impreza must be close specs please somone lol



#7 AdventureSubaru

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Posted 16 August 2013 - 04:20 PM

The EA81 can do it. In my old 83 wagon it did just fine with 4 people and a bunch of gear in the car. Just really slow going up the hills.

 

I'll be the first to ask why? The EJ18 or EJ22 that comes in the Impreza is just as reliable as the EA81. I drive a 97 Impreza Outback with the 2.2 It just recently turned 275,000 miles. It turned that 275 in the Mojave Desert about 3/4 of the way through a 2200 mile road trip out here to California. Not just that, but it did that with a lift, 215/75/15 tires while towing a 14 foot boat. (Both boat and car were pretty loaded down for the move.) and made it up and down the Rocky Mountains under such a load.

 

it's a Subaru! I wouldn't be scared by the mileage and think because you have a running car with 200k+ that you need to put a lower miles motor in there. Just look the car over to be sure it's been maintained and is running as it should and drive it! My wife's outback was purchased a few years ago with well over 200k. It's now at 331,000 and going strong. Mileage is not generally something to be feared in Subaru's.

 

If there are other reasons, disregard this, but from the OP it looked like mileage was the issue. Just find a good runner and keep it going! EA81 is a great engine, but that's a lot of work to go to a much weaker motor. Not to mention the little details of matching fuel pumps etc. to it.


Edited by AdventureSubaru, 16 August 2013 - 04:21 PM.


#8 MilesFox

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Posted 16 August 2013 - 09:26 PM

but the impreza is too heavy for that poor engine...

It's all about the gearing.



#9 Subaru_dude

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Posted 16 August 2013 - 10:31 PM

Wouldn't an adapter plate do the trick just fine? And I would definitely at least have spfi pistons with, of course, spfi.



#10 Loyale 2.7 Turbo

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Posted 16 August 2013 - 11:51 PM

Years ago, I saw a first gen Legacy that someone had a Huge frontal Crash, after fixing the Body and due to the Lack of enough money to buy another Legacy or Impreza drivetrain, the guy used an EA82 with its EA 5MT trans, bolted to the Legacy Body; the car was Gutless but very cheap on gas.

 

Still I Wonder how he managed to run the Axles... 

 

Well, you know the Kind of Retrofittings the Hondurans do, see ~►Here.

 

So, Why not an EA81 Impreza? ... it might be a Good commuter vehicle.

 

Kind Regards.


Edited by Loyale 2.7 Turbo, 16 August 2013 - 11:57 PM.


#11 djellum

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Posted 17 August 2013 - 12:29 AM

when you add an EJ to the EA trans you need a spacer, the reverse would be true for the EA to EJ trans, the engine wouldnt go far enough into the bell housing.  

 

with the EJ swap dont you use XT6 clutch to make up the inside distance?  could you do that with this one as well?



#12 Subaru_dude

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Posted 17 August 2013 - 12:36 AM

when you add an EJ to the EA trans you need a spacer, the reverse would be true for the EA to EJ trans, the engine wouldnt go far enough into the bell housing.  

 

with the EJ swap dont you use XT6 clutch to make up the inside distance?  could you do that with this one as well?

Ahah... I see. That is a problem....



#13 rrgrr

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Posted 17 August 2013 - 08:31 AM

You guys have done everything -sounds like it's probably a bad idea. Guess I'll find something better to do :banghead: 

Thanks for saving me from my stupidity!



#14 Gloyale

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Posted 17 August 2013 - 10:31 AM

You'd just need to put a EA trans in too.

 

Or like Ivan said EJ AWD trans guts into an EA case.  Install the 25 spline stubs too so stock IMP axles will work.

 

EA clutch.

 

I still think an Imp with an EJ18 would be better, but the EA81 is super simple to work on.



#15 ivans imports

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Posted 19 August 2013 - 11:23 AM

that trans combo works mind you lets see 4 speed deul range 96 impreza 4 dr with ea81 tbi i would drive it no speeding tickets



#16 grossgary

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Posted 20 August 2013 - 08:46 PM

keep an EA trans sounds simplest.

 

compare weights of the vehicles?

 

different in a few ways but i put an EJ18 into a 96 legacy sedan and castrated it to FWD auto while i was at it.  it drives fine (gutless) in flatland and by myself as i've been doing for years and many miles now. but living in the mountains, i can't run 205 55/16 tires, common on many subarus, the gearing kills it, with 4 passengers it can only hold 2nd gear up the steepest mountain grades. 

 

lets see 4 speed deul range 96 impreza 4 dr with ea81 tbi i would drive it no speeding tickets

lol.  you get tickets....gotta go 90 down the mountains to make up for the 45 going up



#17 ivans imports

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Posted 21 August 2013 - 09:21 AM

The 2wd 93 imprezas came with 13 inch wheels oh the parts are lining up got it biult yet ?



#18 grossgary

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Posted 21 August 2013 - 11:01 AM

EA81 w/97 trans, running gear, car..... can't afford any w/ under 200K miles

actually -  if you can swap an engine you can fix a Subaru needing work and get a cheap EJ under 200k.  keep looking, that will be easier than a swap no one has done before.






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