What is the "ideal" dimension?? Seems to me i read somewhere that if the turbine pipe is set aprox. 1/4" in (or forward) of the fuse tail pipe, that was "ideal" for creating a venturi effect, and the supposid "ideal" setting for the turbine is to set the end of the turbines tailcone a 1/2" ahead of the bellmouth. Does this sound about right?? Asuming you have the space ........