piopio Posted September 7, 2007 Share Posted September 7, 2007 I am aware that the car uses a viscous center diff and a torsen rear...but what about the front diff? Link to comment Share on other sites More sharing options...
Long Island Legacy Posted September 7, 2007 Share Posted September 7, 2007 I am aware that the car uses a viscous center diff and a torsen rear...but what about the front diff? I think they have open diffs. The 07-08 Spec.B uses a Torsen LSD insted of the Mechanical LSD found on the 2.5GT Like i have. I have never got the front tires to spin very much but i do notice my left front tire wears more then the right. and the rear tires wear pretty evenly so its very possible that the front is an open diff. Prob easier for turning as well. Link to comment Share on other sites More sharing options...
NutBucket Posted September 7, 2007 Share Posted September 7, 2007 Front is definitely open. Link to comment Share on other sites More sharing options...
vet Posted September 8, 2007 Share Posted September 8, 2007 I believe the new LGT's get the Torsen rear as well. Link to comment Share on other sites More sharing options...
Long Island Legacy Posted September 8, 2007 Share Posted September 8, 2007 Not that im aware of i belvie they get the torsen on the spec b becuase of the 6mt. Link to comment Share on other sites More sharing options...
vet Posted September 9, 2007 Share Posted September 9, 2007 Not that im aware of i belvie they get the torsen on the spec b becuase of the 6mt. right ur Link to comment Share on other sites More sharing options...
bigman9918 Posted September 12, 2007 Share Posted September 12, 2007 I believe the only Subaru with a factory front differential that is sold in North America as a USDM is the Impreza STI. Link to comment Share on other sites More sharing options...
meier motor sports Posted September 12, 2007 Share Posted September 12, 2007 open front viscous middel limited slip rear on my 05gtmt Link to comment Share on other sites More sharing options...
DMTaylor Posted September 13, 2007 Share Posted September 13, 2007 Are there limited slip differentials available for the front? Would there be any advantage? Dave Link to comment Share on other sites More sharing options...
heh2k Posted September 19, 2007 Share Posted September 19, 2007 sti has lsd front. I don't think it's worth swapping. Link to comment Share on other sites More sharing options...
DukeTrout Posted September 25, 2007 Share Posted September 25, 2007 Doesn't Cusco make a front lsd that works for the LGT? Ich bin echt viel netter, wenn ich nuechtern bin. Echt! Link to comment Share on other sites More sharing options...
1-3-2-4 Posted September 26, 2007 Share Posted September 26, 2007 i think they do Link to comment Share on other sites More sharing options...
Metal2You Posted September 26, 2007 Share Posted September 26, 2007 I thought the rear diff in my '06 LGT was not an LSD since I didn't get the Spec B. Glad to know I was wrong! Now to figure out what all this all this torsen and viscous stuff is about... Link to comment Share on other sites More sharing options...
Metal2You Posted September 26, 2007 Share Posted September 26, 2007 Here is what Wikipedia had to say about the viscous diffs: Viscous LSDs are less efficient than mechanical types, that is, they "lose" some power. They do not stand up well to abuse, particularly any sustained load which overheats the silicone results in sudden permanent loss of the LSD effect.[4] They do have the virtue of failing gracefully, reverting to semi-open differential behaviour, without the graunching of metal particles / fragmented clutches. Typically a visco-differential that has covered 60,000 miles or more will be functioning largely as an open differential; this is a known weakness of the original Eunos Roadster sports car. The silicone oil is factory sealed in a separate chamber from the gear oil surrounding the rest of the differential. This is not serviceable and when the diff's behaviour deteriorates, the VLSD centre is replaced. Is that still true of modern viscous LSD's, they will be worn out after 60K miles or so? Link to comment Share on other sites More sharing options...
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