To avoid the inconvenience associated with the unprecedented
pressure in a petrol engine, particularly the rattling, Mazda has also designed a suitable combustion chamber and developed a new injection system.
Not exact matches
In the case of the diesel
engine,
petrol will run because it auto - ignites under the extreme
pressures of the diesel combustion chamber.
No other
petrol engine features direct injection at a
pressure of 200 bar, spray - guided combustion and piezo injectors, all
in conjunction with map - controlled cylinder shut - off, an all - aluminium crankcase with «spectacle» honing, four - valve technology with continuous camshaft adjustment, a high compression ratio of 12.6: 1, a start / stop system and generator management — while revving to a maximum speed of over 7000 rpm.
In petrol engine turbocharger applications, boost
pressure is limited to keep the entire
engine system, including the turbocharger, inside its thermal and mechanical design operating range.
The 16V
petrol engine features a new, high -
pressure fuel pump injector to satisfy the greater performance demands and allow it to meet strict EU5 emissions standards while revisions to the electronic
engine management system, plus increased maximum turbo
pressure (1.9 bar at max output and 2.2 bar at max torque, versus 1.8 bar for the 240 PS 2.0 - litre TSI
in Leon Cupra) complete the powerplant changes beneath the SEAT's svelte «clamshell» bonnet.
MINI has increased the maximum
pressure in all the
petrol engines from 200 to 350 bar.
The cubic capacity of some
engines has been increased which results
in additional torque and the
petrol engines feature direct injection with increased
pressure and have turbocharger blades made of highly heat - resilient material.
The AMG 2.0 - liter four - cylinder turbo
engine features spray - guided direct
petrol injection with piezo injectors positioned centrally
in the four combustion chambers and an injection
pressure of 200 bar.