John Slade had his turbo reconfigured by Leon Promet in AUS,
http://www.turbonetics.com.au/
but have not flown it yet. The web site explains what he does. I wander

if

somebody can do that here?
Bulent

Bulent,
I wouldn't hold great hope for Leon's opinion, admittedly he has a lot of
knowledge in the Auto application, but from my experience he relies heavily
on the local  turbo experts - who have no experience in Aircraft
application.
I wish I could say he does have the knowledge and the skills, sadly that's
not the case.
George (down under)

George, you may be right, I don't know him? Someone better come with
solution fast :). I'm sitting on the fence with freshly rebuilt stock turbo
and not knowing which way to turn? I see some reasonably priced TO4 torbos
on Ebay and may try one of them?
Bulent

I think it will work Bulent if you don't ask too much from it. I would start
by porting the waste gate for sure. After thinking about it a bit porting and
polishing the interior of the exhaust scroll might also help. If high performance
is real important to you go with the TO4.

Paul Lamar

Here is my suggestions on porting the waste gate Bulent.

Plus and air cooled exhaust manifold to knock 100 F or so off the air temp
going in. Every little bit helps.

BTW Inconel is only good for 100 to 150 F higher EGT. 

Paul Lamar
 
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