You are both right -- they reduced the efficiency of the engine in the later models; see: http://www.plasmaboyracing.com/blog/?p=124 http://www.plasmaboyracing

You are both right -- they reduced the efficiency of the engine in the later models; see: http://www.plasmaboyracing.com/blog/?p=124 http://www.plasmaboyracing.com/blog/?p=124