Sentences with phrase «allowing higher boost pressures»

Not exact matches

This allows Porsche to run a higher boost pressure without fear of the engine self - immolating.

A larger supercharger (2.3 liters versus 2.0), driven more quickly (2.64 times crankshaft speed versus 2.33:1) and allowed to sustain higher boost pressures (14 psi versus 9), was bolted on.

Early intake valve closing — well before the bottom dead center is reached — lowers the pressure, allowing a high, efficiency - boosting compression ratio.

Nissan Motor Co. says it has developed a new turbocharging system that provides improved torque and engine response at low speeds in city driving.Nissan says the new system will give a 2.5 - liter engine the same fuel efficiency as a 2.0 - liter engine and the same low - speed torque as a naturally aspirated 3.5 - liter engine.The new system will be introduced in new models for the Japanese market later this year.The system is based on what Nissan calls a «linear charge concept,» which allows boost pressure to rise gradually with acceleration, increasing on a linear level from low to high speeds.