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post Sep 1, 2003 - 3:02 AM
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Striking4



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I am in the middle of installing a custom turbo system on my 7A-FE engine. I have one small problem. The turbo I got from the yard has both water and oil cooling inlets and outlets for the housing. How do I tell which one is which?
 
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post Sep 1, 2003 - 2:22 PM
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SpedToe169



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Ohhh yes, it does matter very much. If you got a turbo with an oil and water center section you have to make sure you get everything hooked up correctly because not only does the oil cool the turbo, it also lubricates the bearings. Its very unlikely that you got a ball bearing turbo so that means you have bearings that ride on oil. Oil is the only thing keeping the happily spinning parts of the turbo from coming into high speed destructive contact with the happily non-spinning parts. Thats why oiling is soooo important to a turbo.

I'm guessing you have a T3 or a T3 variant, if so the oil lines will have a fitting with a 2 bolt flange. The water lines won't have the flange. The water lines should also be bigger. The oil flange looks like this:

Ebay Flange

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