8 vs 9 O2 housing differences ?
Mar 21, 2008, 05:23 PM
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8 vs 9 O2 housing differences ?
I am putting a used 9 turbo on my 05 mr 8 is it worth it to change to a 9 O2 housing or are they the same?
what about mani's are they different?
what about mani's are they different?
Mar 21, 2008, 07:12 PM
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I am almost positive that the VIII and IX factory cast iron O2 housings are identical. An inexpensive upgrade worth 10-15 WHP is a Buschur coated O2 housing. There are several other brands of stainless O2 housings as well.
Mar 21, 2008, 07:19 PM
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The manifold and o2 are the same, but the oil/coolant lines and compressor outlet pipe are different. Make sure all that comes with your turbo, and if you get the mani/o2, send them to Buschur to get ported/coated. When they come back, swap them on in place of your stock parts, then sell those.
Mar 21, 2008, 07:48 PM
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Yes the porting of the manifold should be done since you'll have the turbo off anyway. Heads up on the oil & coolant lines as well as the compressor discharge tube, Warr!
Mar 22, 2008, 11:11 AM
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Yup, I agree. I have the ported/coated exhaust manifold and coated SS o2 housing from Buschur and am happy with both of them. In fact, I think I'm installing the same combo on my friend's IX tonight (plus doing some hand porting of the turbo exhaust housing).
