The boost controller and turbo combined to reach a MAP of 230 kPa at 4150 rpm, whereupon MAP "fibrillated" fairly flatly to 5450 rpm. At this point, the boost controller duty cycle climbed steadily to ...
A turbocharger is the best power-adder by far. Not only do turbos harness otherwise wasted exhaust energy to drive the compressor, their modular nature lets compressor and turbine housings and wheels ...