Originally Posted by shiv@vishnu
The upgraded twins will make peak power well below 21psi of boost. Running 21+psi really only has an advantage at lower engine speeds where the engine/turbo isn't struggling with backpressure. That will result in more midrange torque but also a lot more heat and octane sensitivity. If you guys want to run big boost, you are going to have a hard time short up running a turbo that is capable of running higher pressure ratios efficiently.
Shiv did you guys ever get the RB cars you were looking for? What kind of results did you get? Have you tested rbs with the flex fuel kit yet?
2011 335is DCT, JB4 MHD BEF, stage 2 LPFP, e50 50/50 meth, FBO, MT ET Streets when needed