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Old 10-19-2008, 03:02 AM   #1
Hardline
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Question Big project underway, need advise

I am in the process of doing a engine/driveline swap for a friend of mine into a 95 Legacy. The Engine is a Japanese EJ20, which is being converted to single turbo, and the transmission is a 5-speed AWD unit that came attached to the engine. Fuel management is being handled through a Megasquirt with Ford's EDIS ignition system. My question is that the rear differential was not included with the other parts, and I need to know the final drive ratio needed to find a suitable replacement. The Legacy had an automatic transmission prior to beginning the swap. Any input would be greatly appreciated, as Google has once again proven to be of no assistance. Thank you.
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Old 10-19-2008, 08:48 AM   #2
John*G
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You could try this to reference your transmission code, or call a dealer with the tranny number and ask.

http://www.i-club.com/forums/showthr...r+ratios+stock
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Old 10-19-2008, 01:42 PM   #3
elislider
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Old 10-20-2008, 12:05 AM   #4
Hardline
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Thanks guys for the replies. I have one last question...... Where would the transmission model number be stamped into the case. It is in the low 40s right now, and I really don't want to crawl around in the cold looking for this number....... Thanks
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Old 10-20-2008, 08:54 PM   #5
elislider
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its on a paper sticker IIRC
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Old 10-28-2008, 10:33 PM   #6
Hardline
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ty752vbcaa was the tranny code. I found out it uses a 4.44:1 FDR, and the Diff on the car is a 4.11:1. Wont work. Does anyone know where I can find one that will work?
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Old 10-29-2008, 10:17 AM   #7
Matt Monson
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4.44's are pretty hard to come by if you want a rear LSD. If you are willing to forego the LSD, they were in a number of the auto tranny Foresters and Legacy Outbacks in US cars starting around 2000.
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Old 10-29-2008, 11:10 AM   #8
Homemade WRX
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just source a 4.44 from an auto...the diff you have now isn't LSD...buying an LSD and installing would be a nice upgrade and would save a bit of time.
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Old 10-30-2008, 09:04 PM   #9
elislider
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you can get a 4.44 rear LSD from an 00/01 USDM 2.5RS. also some legacies and foresters have them too. make sure you get the right axles though, because the legacy subframe changed in 01 and the axles changed along with, however the impreza didnt change and neither did the forester, until 02 (IIRC). all i know is that the axles can be a pain in the ass if you dont get the right ones. to speak the obvious, you will need axles that match the diff on the diff side and the hubs on the hub side, however the hub splines changed around 96ish and then again in 01/02 for legacies and then others. so just be careful

try www.car-part.com and search for Carrier part (thats what the rear diff is called)
also reference this page:
http://wac.addr.com/auto/obs/lsd/lsd.html
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