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Old 10-27-2003, 01:20 PM   #1
Kha0S
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Exclamation Having dirty thoughts: Mid-engine RWD Justy

So, I'm having twisted, dirty thoughts. Bear with me, try to lock into the dream, then contribute ideas/information.

Mid-rear configuration EJ series in a Subaru Justy hatch.

After fuel tank relocation, there's enough space forward of the rear axles to fit an EJ series motor (looking at an EJ18, right now). Attached would be an FWD gearbox, with custom axles to go from the EJ axle splines to the Justy hub splines.

The measurements work out -- there's enough space ahead of, and behind, the axles to fit the motor and transmission. Shift linkage is already the #1 concern (though, I'm pondering all sorts of solutions right now).

Front mounted radiator, fuel cell, and battery. Obvious frame reinforcement, floorpan cutting, and suspension strengthening are planned.

Biggest issue now? I need pictures and measurements of the EJ18 and a FWD gearbox. I need gear ratio information.

Similarly, I'm wondering if there exists a "front LSD" option for the EJ FWD gearboxes... will the one for an AWD box match up to the ring gear? What aftermarket ring gears are available?

I'd love to do a 4.444 LSD update on the gearbox before it goes in, and, obviously, the cheaper, the better.

Anyone else here as twisted as I am?

/Andrew

(edit: Oh yeah ... BTW, this is similar in concept to the Ford Festiva Shogun design, but with all Subaru parts. Why the EJ18? It's light. And I can turbo or supercharge it later if I need more power.)
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Old 10-27-2003, 02:04 PM   #2
alex_umn
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Just a thought: maybe you could try an Porsche gearbox with an adapter plate. Then you have the option of all wheel drive.

No, it's not a good idea, but it's an idea
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Old 10-27-2003, 03:07 PM   #3
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Sounds like an interesting idea... It'll be interesting if you do pull it off.
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Old 10-27-2003, 05:45 PM   #4
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LSD.

i have a FWD gearbox torn in 1/2 if u would like to look at teh guts of it....

LSD. ive pondered getting one for a FWD impreza gearbox, and ive heard taht the guts are differnt. i have heard taht the legacy FWD gearbox however is teh same thing as a AWD gearbox, ex taht the tailshaft of it has no center diff and related AWD bits. so a FWD legacy box can take a normal AWD LSD front diff.

i believe that a legacy FWD gearbox is a 3.7 final drive, no idea what teh gears themselves are.

iirc, on a impreza fwd gearbox, 1st gear at 6,000 is about 27 or somthing, 2nd - 56mph, 3rd - 78, 4th- 105, and ive never topped out 5th. at 124 or so, its at about 5600 rpm or somthing. forgot.
estimates are rough, from a while ago

h
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Old 10-27-2003, 07:08 PM   #5
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yeah I had thought about doing this sort of set up in a car but not a justy. For the shift linkage I was thinking of cable shift linkage like used in some VW's. Otherwise you will be doing weird angle to reach the gearbox.
Take it easy, Micah
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Old 10-27-2003, 07:17 PM   #6
wawazat
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Default How about this.....

EG33 in the middle of a 360 van

Todd
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Old 10-27-2003, 10:14 PM   #7
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i have a justy you can HAVE if you want to pick it up in slc.
non running- but does have a sick hood scoop and some pretty fast stickers. other than the engine it really isent in that bad of shape for an 89'...or maybe it is i dunno.
rick
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Old 10-27-2003, 10:32 PM   #8
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yeah and I have an old EJ18 motor....just want to sell/get rid of it.
Take it easy, Micah
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Old 11-12-2003, 08:40 PM   #9
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what about hayabusa in a 360 sedan???

sjd
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Old 11-16-2003, 12:54 PM   #10
Tigris
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Default justy

I am in the middle of doing a locost impreza 1.8l donor, so I share your twisted engineering sense. And I really like sjd's idea about a bike motor. A dressed r1 motor weighs about 200 lbs, with tranny integrated, is more compact than the ej , and makes more power. I think a stripped justy with that motor would weigh 160 or so lbs-10/1 power ratio. You can get used r1 or gsxr kits from ebay at about 1k a pop.
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Old 11-16-2003, 01:41 PM   #11
Kevin Thomas
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Thumbs up Re: justy

Quote:
Originally posted by Tigris
And I really like sjd's idea about a bike motor. A dressed r1 motor weighs about 200 lbs, with tranny integrated, is more compact than the ej , and makes more power. I think a stripped justy with that motor would weigh 160 or so lbs-10/1 power ratio. You can get used r1 or gsxr kits from ebay at about 1k a pop.
I'd pay to see this car run. Man, if only I had $$$$.

BTW: Do you mean 1600lbs? 160lbs would weigh lighter than me. I'll take a FWD DL (1655lbs) with the R1 motor to go.
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Old 11-17-2003, 04:16 PM   #12
Jack
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You could do a CRX squared type project. Front engine/FWD and rear engine/mounts/suspension/ from another Subaru FWD auto and run them together. One of the magazines did this years ago. They'd hunt down Mustang 302's to blow off. Then they'd freewheel one tranny, shut off the engine and get 35mph in the thing.

They did say it was a very difficult project......which is why my Neon doesn't have that 1.8 sitting in it's trunk right now.

jack
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Old 11-17-2003, 07:17 PM   #13
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just remember that crotch rockets have tons of top end but NO low end power. we have a 600cc powered formula car at school and well yeah, like I said. Once it's going though OMG!!!
Take it easy, Micah
The engine is on a custom go kart type set up.
The site is a little outdated but here it is:
http://www.mem.odu.edu/sae/
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Old 11-18-2003, 12:20 AM   #14
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good luck homie, should be sweet if you are able to do it

Jiffy
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Old 11-19-2003, 07:23 PM   #15
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one of those aftermarket reverse VW transaxle's could work really well for this set up, the kind they use on sandrail's
Im sure they will be beefy enough for what you want and they will bolt up to a scoobie engine (well with a adaptor?) no prob

my 2 cents
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Old 11-24-2003, 11:04 AM   #16
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I stuffed a V6 into a 400kg Suzuki van onceuponatime. From that experience, I have two pieces of advice.

Do it.

Build a good roll cage!
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Old 07-10-2015, 06:09 PM   #17
UT_WRX
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@KhaOS
Did this ever happen?

I am contemplating my own crazy ideas and found this thread with a google search.
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