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    • Devil Developments MKII Ford Focus RS tops 1000 horsepower with 39 psi of boost and a 91mm turbocharger

      Over 1000 horsepower from a Ford Focus RS? That is what Devil Developments in the UK achieved. In other words, 918 horsepower at the wheels along with 760 lb-ft of torque at the wheels on a Dynapack dynamometer at 39 psi of boost.


      These are the specs:

      - Devil Developments big valve head and block
      - Forged internals
      - 91mm BorgWarner turbo
      - Syvecs plug and play ECU
      - 2000cc inejctors
      - Devil Developments fuel system

      For American readers unfamiliar with the second generation Focus RS due to it not being sold in the USA the car is front wheel drive and utilizes a modified 2.5 liter Volvo I5 engine platform. It is clearly stout. Very stout:


      The curve is a bit of an on/off switch. Lag... lag... lag... hold on!

      There is always a sacrifice when squeezing out power from small displacement especially when it is this much power.

      Phenomenal work and yes they are tackling the third generation platform as well.

      This article was originally published in forum thread: Devil Developments MKII Ford Focus RS tops 1000 horsepower with 39 psi of boost and a 91mm turbocharger started by Sticky View original post
      Comments 5 Comments
      1. richpike's Avatar
        richpike -
        Holy hell - that's crazy power from some tiny displacement.

        -Rich
      1. BPCMotorsports's Avatar
        BPCMotorsports -
        God Damn that's some power!
      1. subaru335i's Avatar
        subaru335i -
        More info on the turbo? I highly doubt its really 91mm inlet diameter to the compressor. BW has different number/naming than most other turbos.

        Promod turbos are 88mm and I know a subaru with a 76mm turbo that makes 1300WHP! lol.

        If it really is 91mm it is waaaay oversized for that motor for no reason.


        Click here to enlarge

        The turbo on the Focus is probably a BW 9180 which is actually only a 67mm turbo like a PT6766 with a little bigger turbine wheel.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by subaru335i Click here to enlarge
        If it really is 91mm it is waaaay oversized for that motor for no reason.
        Why would they say 91mm if it isn't?
      1. subaru335i's Avatar
        subaru335i -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        Why would they say 91mm if it isn't?
        Because they want it to sound cooler than it is? Or maybe they just don't know that everyone refers to the size of the turbo by the compressor inducer instead of the exducer size.

        I would bet a lot of money that it is the BW 9180 EFR turbo (67.7mm inducer, 91mm exducer) and then the 918 whp number makes a lot more sense because thats how much power that turbo makes.