Assertion: corolla's engine | /r/CapableOf | operate below 6000-7000 rpm
Facets:
Source sentences:
text: When the engine is operating below 6000-7000 rpm (dependent on year, car, and ECU installed), the lower lobe is operating the rocker arm and thus the valves, and the slipper-follower is freewheeling next to the rocker arm.