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Difference in housings

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Old 11-06-07, 08:48 AM
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1990 T2

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Question Difference in housings

Is there a difference between the front and rear rotor housings on a S4 T2?
Old 11-06-07, 08:56 AM
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yes
Old 11-06-07, 09:45 AM
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1990 T2

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Really, would anybody happen to know what is different?
Old 11-06-07, 10:06 AM
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the rear housing has the water passage for the turbo water feed line.

If you have two front housings, you can still use them, you just need to figure out a way to get water to the turbo. If you study the cooling system diagram...there are a few places you can tee into to get water to the turbo.
-a
Old 11-06-07, 12:04 PM
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The difference is in the passage that feeds air to the exHaust ports from the ACV.
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