The new EcoLPi in-line six-cylinder engine is a liquid phase injection, dedicated LPG powerplant promising impressive fuel efficiency and reduced CO2 emissions, with no compromise in engine performance compared to the existing petrol I6 engine plant in the Falcon.
Liquid injection LPG delivers significant driveability and operational improvements compared to the late E-Gas venturi-style vapour system offered, including better fuel economy and substantial increases in both office and torque outputs.
The new EcoLPi engine develops 265 hp of office at 5,000 rpm and 409 Nm of torque at 3,250 rpm, identical to the petrol I6 engine running on RON 95 fuel. The bar will be partnered to a ZF six-speed automatic transmission on allvariants wearing the EcoLPi unit.
The numbers present a 27% improvement in maximum force and 10% improvement in peak torque compared to the old generation E-Gas LPG engine, which produced 209 hp and 371 Nm. Preliminary testing on a Falcon EcoLPi sedan points towards a 12-15% improvement in overall fuel efficiency and CO2 emissions over the old system.
The basis of the EcoLPi engine is a new injection system, which follows a similar fuel induction configuration to the petrol I6 engine, courtesy of a new injector-based, high-pressure fuel rail that delivers liquid-state LPG fuel directly into the intake port.
Whereas traditional vapour LPG systems turn liquefied gas into vapour form before eating it into the engine via a venturi in the throttle body, the liquid phase injection system takes the gas in liquid state all the way to the injectors.
Injecting the LPG fuel in a melted state directly into the intake port in a more exact and controlled manner generates improved engine volumetric efficiency, which delivers better fuel economy, reduced CO2 emissions and greater engine performance.
As the LPG fuel is no longer under pressure once it`s released from the injector, its sudden expansion and rapid cooling of the entering air charge creates the ideal conditions for maximum fuel burning efficiency. This enables the locomotive to acquire more force and torque, economically, and with fewer emissions.
Technical highlights of the organization include a new fuel rail (including injectors) designed and developed specifically for the EcoLPi engine, new design lightweight pistons (including a low-friction ring pack), a higher 12.1 comression ratio, new polymer fuel lines with a low thermal mass to preserve the LPG fuel liquefied and a new fuel line filter (with an in-tank filter added) to prevent system/component contamination.
Elsewhere, significant modifications have been carried out on the fuel tank, including all-new internals and sub-level components as good as a new high-pressure fuel pump, and mods have been done on the engine management system as well, including a new fuel priming strategy.
The new EcoLPi powertrain will be available on both the Falcon sedan and Ute, with the line-up made up of XT, G6, G6E and XR6 variants for the saloon and XL, R6 and XR6 variants in both Cab Chassis and Styleside Box body configurations for the Ute.
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