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Could use a chip, or re-map the ECU to increase PSI pressure in the turbo, and increase displacement and hence increase the torque, and this will also increase the horsepower (or work-rate) over time. Obviously you need a turbo to do it, and a large enough intercooler to cope, and fiddle with...

yeah saw the edit!

Did you even click on the top-gear link i gave you, where it clearly beat the astra and megane in the straight? - When your testing it at short distances, it does come down to driver skill. However the overboost gives the focus an on-par change with the competition. this is all irrelivant...

not entirely true - when you lift off the accelerator, the function re-starts itself. It is time limited. This isnt a new concept! lol - its been used for years. And your probably used to non turbo petrol engines, which are, sorry to say - now out of date

look at 8minutes onwards http://vimeo.com/60917841

Yes the focus ST also uses overboost feature - this is what enabled it to beat the Astra VXR and Megane (which both have more power) in a straight line. Torque is the main feature of the overboost function, increasing it slight, also increases the work-rate (bhp). It is the torque that gives the...

Yes, the new Fiesta ST, has 200PS (197bhp) for short periods on overboost. the ECU dials the turbo to increase PSI (its not a new thing, some turbo diesel engines have this feature). below is some confirmation on the figures: http://drivingspirit.com/ford-fiesta-st-review-2013/ The 208 GTI...