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Old 05-05-2003, 01:11 AM   #1
DeucesWild
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Member#: 32671
Join Date: Feb 2003
Vehicle:
1988 MR2
Minty Green

Default 86-91 Loyale XT conversion to STi possible?

Hello all! My first post here so I hope I don't get flammed too much.

I'm a early MR2 kinda guy (I own an 88 SC and an 86 NA) and I love cars with sharp lines. I have always liked the 80's Subaru XT coupes.

Lately I have been thinking of selling the 86 for a car with 4wd and more room, which leads me to think of the XT. Since I am a Toyota guy I did consider the Celica Alltrac but I am turned away from the weight. I have found a book that lists the XT weight at about 2400 lbs which is pretty light.

But they aren't very potent as far as power. Which leads me to my main question. I was thinking of a swap that involved the 2.5L STi engine. Question is has this ever been attempted before on an XT? Any idea's on how many modifications would be required? I wouldn't think that the old drivetrain would be able to hold up to the power of the STi engine so thats something that would have to be changed as well. But would it fit?
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Old 05-05-2003, 11:47 AM   #2
Rebellion
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2002 Impreza WRX
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dunno exactly... after the legacy came out the overall size of the engines (minus the SVX) stayed pretty much similar. But previous Subaru's... I dunno. Loyales share stuff w/ both XT's and Legacy's though, so I dunno if XT's and Legacy's share anything.
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Old 05-05-2003, 07:01 PM   #3
ciper
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I suggest you to get an XT6. The bolt pattern on the wheels is common so aftermarket replacements are easy. The front strut design on the Xt6 is the same as current subaru, the standard xt is very strange.

The engine bay in the XT6 is of a good size, its got a modified ea81 with 2 extra cylinders so no reason a 4 cylinder wouldnt fit

You should be able to get one cheap if it has air suspension, it failes often and usually the cost to repair it is high. You can use most 80's subaru model rear suspension and for the front either find an xt6 2wd donor or use xt strut tops with legacy spring perch, spring and strut.

The only "issue" is that the XT6 has the electric power stearing. I would probably leave the electric stuff active for the swap and just get a shorter belt for the alternator.

For transmission I think it would be easier to try and fit a current gen transmission underneath. You would probably need a custom rear mount for the tranny, and swap the ring and pinion in the rear diff. The stock ratio is 3.7:1 if I remember right (LSD!)
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Old 05-30-2003, 06:30 PM   #4
Jdawg76
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Default XT converstion

I saw an XT6 the other day and started wondering the same thing. Seems like someone would be fitting one of these with the WRX drivetrain, ya know? Cool looking, very obscure, plus a good sleeper! My sister had an '88 standard XT, even that was a cool ride (for the time). Sounds like a great project.
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Old 05-31-2003, 01:44 AM   #5
XT6Wagon
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The XT6 hubs will fit on any of the 85-89 SOHC cars. For more info look at the loyale post, but realise that while the XT is related to both the sedan/wagon/3dr and the XT6, it is NOT the same thing in many areas as the others. IIRC the XT6 shared sheetmetal, glass, and maybe 1/2 the shell with the XT, but everything else is very different.

And a 2,400lbs XT will likely grow to 2,600-2,700 or more with a STI drivetrain as a EJ20T is about twice the wieght or say around 150lbs more. The 5spds are the same basic wieght from my measurements, but the 6spd is 50lbs more.
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