That's a beautiful bit of machining, but I'm a little concerned about the stiffness of those three mounting fins. I would guess there is plenty of vibration to excite them, and if it hits resonance at any point I could see the whole lot dropping into the turbo. It looks as if you have space to make the fins two or three times deeper (axially) and this would strengthen and stiffen them immensely. It would also give you the opportunity to give them a more streamlines teardrop cross section if you wanted.
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Peter Humphries (and a green V8S)
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