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10-31-2009, 04:39 PM
Title: Twinscroll troll
Rank: Donating Member
Location: Boston
Car: 05LGTx2[w],13CTS-V[w],06Elise,12TXBaja
iTrader: (132)
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Originally Posted by Homemade WRX View Post
I understand that and hence I was simply showing another option that offers a two-fold upgrade....though more costly. A clutch pack rear > torsen
Stock R160 is not Torsen, but viscous. Least desirable option.

As far as Torsen being better than clutch type - negative. Depends on the application. For road course in many cases - yup (and obviously for rallying). For autox and general street application - Torsen is a better choice. I guess it also depends on the driver's preference.

Also the stock 04-06 STI clutch diff (made by Hitachi) is crap. 2-way, very weak and with poor ramp up.