From 2012 onwards, the North American version of the Ford Focus will feature a 2.0litre DOHC I-4 engine with twin independent variable camshaft timing and E85 flex-fuel capabilities.
The engine is described as one of the most advanced that Ford has ever offered and is rated at 160hp with torque at 146lb-ft.
The inclusion of direct injection technology helps to improve both fuel economy and performance; while the advanced fuel injection system works with Ti-VCT to adjust valve timing for optimum performance. The Focus achieves an estimated 40mpg highway with automatic transmission.
The 2.0litre I-4 uses two camshafts – one that opens the intake valves and one that opens the exhaust valves. Typically camshafts have only been able to open valves at a fixed point; however, thanks to modern variable cam timing systems they can be rotated allowing the cam timing to be advanced or retarded.
Thanks to direct injection technology, the engine has a high 12:1 compression ratio that can be compared to the 2011 Focus PFI engine’s 10:1 ratio, furthering power and efficiency. In addition, Ford has also reduced internal engine friction and reduced overall weight.
In an effort to keep weight as low as possible, the block, cylinder head and oil pan are aluminium castings; while to increase rigidity, they are ribbed for additional strength and durability.
