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fd3s torsen into s4turbo?

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Old 08-24-09, 09:27 AM
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fd3s torsen into s4turbo?
hi guys!

I'm a little bit confused

will a stock fd3s torsen fit into a fc3s s4 turbo build 1987?

because on ebay the seller says that the fd3s torsen will only fit into 89-91 fc's

thanks in advance
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Old 08-24-09, 09:49 AM
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Yes it will fit, the FD rear end was 8", So since the TII is also 8" it will fit. Now also there is a great write up that was just posted with in the last few days on how to install it here TORSEN LSD install write up
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Old 08-24-09, 10:40 AM
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yeah, it's actually easier to put in an 87-88 turbo because you can use your stock stub shafts.
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Old 08-24-09, 10:54 AM
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i've already fitted a miata 1.8l NA torsen into my s4 NA winterbitch but thanks for th writeup!

one last question: does the torsen from the fd3s works like a 2 way or like a 1 way lsd?
thx guys
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Old 08-24-09, 11:29 AM
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It's more like a 1 way. No lock up on deceleration.
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Old 08-24-09, 11:45 AM
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thanks guys!
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