Tmccurry Posted August 15, 2017 Share Posted August 15, 2017 I've been using the following thread to piece together my 6spd swap. http://legacygt.com/forums/showthread.php/6mt-master-swap-thread-107137.html I was wondering what prevents just swapping in a jdm spec b setup like this one? http://m.ebay.com/itm/JDM-Subaru-Legacy-Spec-B-6speed-Awd-Transmission-Axles-Rear-Differential-2003-09-/112433756038?hash=item1a2d92f786%3Ag%3AZnQAAOSwPh5ZNy1j&_trkparms=pageci%253Ac5483bb7-8158-11e7-85ac-74dbd180a912%257Cparentrq%253Ae37fd6fe15d0ab4d2dcc35fcfffeb4d4%257Ciid%253A2 I can't seem to find an answer from searching. The only downfall would be the open diff and no dccd, but you'd be saving ~$4,000. Link to comment Share on other sites More sharing options...
Rhitter Posted August 15, 2017 Share Posted August 15, 2017 I don't think anything is stopping you. In fact you can swap in a USDM spec.b 6 speed and those are around $3-$4k My OBXT build Link to comment Share on other sites More sharing options...
WRX USA Posted August 15, 2017 Share Posted August 15, 2017 I don't think anything is stopping you. In fact you can swap in a USDM spec.b 6 speed and those are around $3-$4k Or less than $3k installed... Link to comment Share on other sites More sharing options...
Tmccurry Posted August 15, 2017 Author Share Posted August 15, 2017 Well this changes everything...that makes way more sense. You still get the stronger transmission. Forget th dccd that no one touches. Installing a lsd is simple enough Link to comment Share on other sites More sharing options...
Rhitter Posted August 15, 2017 Share Posted August 15, 2017 The STI boxes are more rwd biased. The SpecBs are 50/50. Probably doesn't make a difference in normal driving. My OBXT build Link to comment Share on other sites More sharing options...
rougeben83 Posted August 15, 2017 Share Posted August 15, 2017 I would check those prices, all these cars are getting older, so the parts prices are going to be less. Anyway, my 05 STI gearbox was about $2500 when I bought it 7 years ago (I had it on my previous Legacy), I needed a $100 08-14 STI linkage, and a $50 LGT 5aet automatic driveshaft to make it fit on my 05 OBXT. Add $150 for the matching 3.9FD R160 I already had, and $300 in an stock STI flywheel and new stock 6spd clutch kit. Total is a $3100. My suggestion is when purchasing the gearbox, try to get as much of the ancillary stuff attached to it as possible - shift fork, slave cylinder, shift linkage, flywheel, and all the little bolts. Like any big project, its the little bits that quickly add to the price. Link to comment Share on other sites More sharing options...
Moderators BarManBean Posted August 15, 2017 Moderators Share Posted August 15, 2017 Someone on the boards here has a spec.b transmission swap for sale that already has a front LSD installed: http://legacygt.com/forums/showthread.php/fs-springfield-08-qsm-spec-b-part-out-262955.html?t=262955 "Bullet-proof" your OEM TMIC! <<Buy your kit here>> Not currently in stock Link to comment Share on other sites More sharing options...
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