WoodsWagon Posted October 25, 2006 Share Posted October 25, 2006 I found a legacy with a rear diff that had cooling finns all over the cover. Does this mean that it's a viscous LSD? or just a normal open one? Quote Link to comment Share on other sites More sharing options...
pearlm30 Posted October 25, 2006 Share Posted October 25, 2006 Can you post a picture of the diff? I found a legacy with a rear diff that had cooling finns all over the cover. Does this mean that it's a viscous LSD? or just a normal open one? Quote Link to comment Share on other sites More sharing options...
jamal Posted October 25, 2006 Share Posted October 25, 2006 clean off the back, there is a sticker that will say the ratio and if it is LSD. Quote Link to comment Share on other sites More sharing options...
svxpert Posted October 25, 2006 Share Posted October 25, 2006 <<clean off the back, there is a sticker that will say the ratio and if it is LSD.>> yeah, the sticker thing stopped after the 1994 legacy, and the 1997 SVX, i've never seen a sticker on an impreza. all other (non loyale) subaru's have a two character letter painted on the top of the diff. not able to see it unless you take down the diff. Quote Link to comment Share on other sites More sharing options...
WoodsWagon Posted October 25, 2006 Author Share Posted October 25, 2006 It looked like a normal diff, but the aluminum cover had finns like a heatsink running vertically. No sticker, and I couldn't jack the car up to spin the wheels. Quote Link to comment Share on other sites More sharing options...
970subaru Posted October 25, 2006 Share Posted October 25, 2006 what year legacy? my 1991 open 4.11 doesnt have fins. Quote Link to comment Share on other sites More sharing options...
Andyjo Posted October 25, 2006 Share Posted October 25, 2006 the only diffs i know of with fins are on the new bmw's Quote Link to comment Share on other sites More sharing options...
ericem Posted October 25, 2006 Share Posted October 25, 2006 the only diffs i know of with fins are on the new bmw's and my dads nissan titan, but it has a rear LSD. Quote Link to comment Share on other sites More sharing options...
WoodsWagon Posted October 26, 2006 Author Share Posted October 26, 2006 The car was pretty smashed up, but I think it was one of the newer ones with the squarer headights, mabe 2001? Only the cover had cooling fins. Quote Link to comment Share on other sites More sharing options...
edrach Posted October 26, 2006 Share Posted October 26, 2006 Rotate one wheel by hand and see which way the other wheel turns. If it turns in the same direction the diff is LSD or VLSD. If it turns in opposite direction it's Open. Quote Link to comment Share on other sites More sharing options...
NorthWet Posted October 26, 2006 Share Posted October 26, 2006 Rotate one wheel by hand and see which way the other wheel turns. If it turns in the same direction the diff is LSD or VLSD. If it turns in opposite direction it's Open. Ummm... ... and I couldn't jack the car up to spin the wheels. Quote Link to comment Share on other sites More sharing options...
edrach Posted October 26, 2006 Share Posted October 26, 2006 Ummm...Sorry, I guess speed reading doesn't work! Quote Link to comment Share on other sites More sharing options...
tmp Posted November 8, 2006 Share Posted November 8, 2006 My 05 lgt has a finned cover(with lsd) and so did our 03 leg sedan(no lsd), but they have a different housing style and the cover bolt patteren has changed. Ive noticed the outbacks still have the older housing style. Hope this helps. Quote Link to comment Share on other sites More sharing options...
Storm Posted November 8, 2006 Share Posted November 8, 2006 My 96 Impreza also has the finned cover. It's an open diff most likely....unless the model is an LS trim level...even then it could be open type. Did you notice if the bearing cups are bolt on or star shaped like the front diff bearings? Jay Storm Quote Link to comment Share on other sites More sharing options...
WoodsWagon Posted November 8, 2006 Author Share Posted November 8, 2006 I'll take a look. What ratio would it be? Quote Link to comment Share on other sites More sharing options...
Storm Posted November 8, 2006 Share Posted November 8, 2006 I'll take a look. What ratio would it be?Depends on what trans. Auto is probably 4.11:1 and Manual is probably 3.90:1. I wouldn't know for sure. Jay Storm Quote Link to comment Share on other sites More sharing options...
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