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JFairman JFairman is offline
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Join Date: Jul 2006
Location: S. Florida
Posts: 7,289
On my car the red silicone seal that is not an o-ring type did not go on the turbo before the billet adaptor.
Instead it was on the billet adaptor before the aluminum up pipe went on.
It sat where your ring finger is in the picture above it.
It's an air seal for where the turbo up pipe goes through the engine tin, but if you have a K27 on there that hole has been cut larger so it is not going to seal anything.

Your o-rings on the adaptor are in the right places. Putting a little grease on them lets things slide in place without tearing the o-rings.
Sometimes you have to dress up the casting lines and marks on the turbo to make the billet adaptors o-ring seal.
If that doesn't work and it leaks there, you can put it on with RTV silcone gasket sealer.
Old 03-15-2008, 05:57 PM
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