The article explains nothing about the hardware function nor components (other than the McLaren name), it is a press release to make Circle Track look good. Obviously, the announcement of the choice of McLaren probably involved some promise of dead presidents' pictures. Freescale is the old Motorola chip manufacturing; they made the chipsets for Ford EEC, Chrysler NGC, some Honda models, Cummins, and Detroit Diesel ECMs....plus probably chips for many others using digital processors.

NASCAR will not let the fuel injection run without some control over the horsepower potential.....just like they do with carburetors.... The switch to FI will certainly increase the knowledge base of the application of fuel injection to higher horsepower engines running under a varying load....