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Old 06-11-2003, 03:55 AM   #1
IronMonkeyL255
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Default '94 FWD Legacy to AWD

I've been thinking about this for some time now, and I was wondering if any of you could help. I have a N/A FWD 1994 Legacy wagon and was hoping to convert it to AWD. How difficult would it be, what would I need, and how much do you think it would cost? Any help would be greatly appreciated.

~IronMonkeyL255
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Old 06-11-2003, 11:44 AM   #2
Jaxx
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it would be cheeper and simpiler to sell the car and buy an AWD one unless you get parts free at the junk yard
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Old 06-11-2003, 04:28 PM   #3
IronMonkeyL255
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That was the general plan. Find as much as I can for as cheap as I can. Or free. Preferrably free.
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Old 06-11-2003, 05:21 PM   #4
stimpy
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The people that have actually done the conversion have said that they would rather start with an AWD car in the first place. But, if you want to do it, you are going to need the AWD tranny, new tranny subframe ( I think), entire rear subframe all the way up to the chassis, driveline, rear diff, axles, hubs/knuckles, probably new control arms, new gastank... the list goes on and on. BUT, it is possible.

Seach for beachbum. He did it.

-Jon
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Old 06-11-2003, 08:09 PM   #5
Legacy777
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best thing to do is get an AWD car that has a blown motor and buy it cheap and use it as a doner car, so you're not nickel & diming yourself to death on all the little stuff.
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Old 06-12-2003, 01:29 AM   #6
IronMonkeyL255
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Exactly the answers I was looking for. Thanks. I'll probably keep it FWD unless I happen across a suitable donor. Would I HAVE to use parts out of another Legacy, or could I use something else? Does anything else have similar enough dimensions to make that feasible?
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Old 06-12-2003, 07:00 PM   #7
stimpy
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The majority of the parts are interchangable between models. However, I can't tell you what could and could not be sourced from other cars. I know hubs, tranny, axles, and rear diff can, though.

-Jon
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Old 06-14-2003, 02:21 AM   #8
IronMonkeyL255
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Thanks again. Now to start looking for that donor car...
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Old 06-16-2003, 06:24 PM   #9
beachbum
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Ding, ding, ding! This man speaks truth. From a mechanical standpoint, it's really not difficult at all. I'd say, with all parts on hand, I could probably do it myself in the garage in a weekend. From a financial standpoint, however, it's just not worth it unless you get the parts cheap/free. That's my $.02 anyway.

I'd agree, the donor car route is probably the best way if you decide to go through with it.

Josh


Quote:
Originally posted by stimpy
The people that have actually done the conversion have said that they would rather start with an AWD car in the first place. But, if you want to do it, you are going to need the AWD tranny, new tranny subframe ( I think), entire rear subframe all the way up to the chassis, driveline, rear diff, axles, hubs/knuckles, probably new control arms, new gastank... the list goes on and on. BUT, it is possible.

Seach for beachbum. He did it.

-Jon
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Old 06-25-2003, 01:54 AM   #10
tbd
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Default 2 cents

i imagine this subject has been beaten to death but, here's my two cents.

the difficulty factor is really not that bad. just pull out all the rear drivetrain and suspension parts from a 90-95 legacy or 93-01 impreza. note that impreza e-brake cable may not fit, as they are likely to be shorter?

the heaviest cost is bound to be in the transmission, as it is a complex moving part. if you can find a suitable one of these thats inexpensive, then you can build the other parts needed around it. ie: find the appropriate diff.

disadvantages, cost of course, and time spent finding the parts. possibility of not finding all the parts, or finding the wrong parts?

advantages (this is where most tend to differ) you get acces to the better tuner suspensions meant for awd, you get rear discs and possibly a rear sway, though some leg fwd had rear sway. (tiny rear sway albeit) the lower cost of ownership for fwd means you're more likely to have the pink slip when you mod. lastly, if you intend a performance mod such as poly or group N bushings (PITA) its easier to have the parts off the car and going into a fwd-awd conversion. it takes time to figure out how to install. everything needs to come off anyway for the bushes to be pressed in, and due to the difficulty of removing and reinstalling new bushings, you'll have saved some downtime. if this is your daily driver, this helps. plus you're putting in just the parts you really wanted instead of upgrading from worn stock parts that you were forced to pay for. almost forgot, while this does'n affect legacies as much as their smaller siblings, swapping fuel tanks allows you to choose between the~13.2 gal & 15.9 gal awd tanks. this gives you the option of better wet weight, or increased range. (some legs, and 2000+? rs's had 15.9)

i'm actually doing this swap right now, but only to gain the sus & discs. (do not have the correct prop shaft yet) (no odd tools needed, just plenty of sockets and impact drivers) note that not all cars may need the same parts. eg: most suggest that a new awd fuel tank is needed, but by eyeballing mine, i could swear that its identical to that of the awd donor car. will tell.

tony

btw: cost estimate. found everything but the fuel tank, and tranny for ~400+. got one propshaft also, but its not the proper length, and planned for another car's 6mt. tranny previously found for ~400 but iv'e seen deals better.
fyi: the propshaft on these early automatics looks suspiciously like those on the new sti 6mt's. its got all u-joints, zero ball joints.
p.s most useful socket sizes, 14mm, 13mm, 12mm, 17mm, 10mm, and some really big ones for the strut to knuckle, forgot the rest. but in removing the rear guts, 13 &14's came up often.

Last edited by tbd; 06-25-2003 at 02:24 AM.
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Old 06-25-2003, 02:20 PM   #11
stimpy
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19mm for the lower strut bolts (need breaker bar, strong socket, and 19mm wrench) and then 23mm for the axle nut ( I think).

-Jon
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