I noticed the Subaru's in WRC are using a "headgasketless" (in the normal sense of a single MLS or graphite gasket) design in order to improve cylinder sealing under high boost situations. It involves using a compressible ring in order to provide chamber seal and the remaining seal is bare metal...
To my understanding turbine efficiency (in a turbocharger) is related between pressure ratio and mass flow. Wouldn't the efficiency also be related to the shaft RPM of the turbine as well as the angle of attack created by the housing's acceleration of the exhaust gas?
Ie. Moving from a .63 A/R...
I would like to get an idea of what I am facing by utilizing titanium material vs. conventional materials. Mainly the adverse conditions they bring up.
I would also like to hear your opinions as well.
The engine is a 4-cyl. 2.oL (86mm x 86mm) engine.
I plan to use titanium rods, and titanium...
