02/09/2026
In October of 2010, FPV released its latest and final V8 engine, the supercharged 5.0L dubbed the “Miami”. With the introduction of the Euro IV emissions, the previously used 5.4L Boss engine was deemed too expensive to develop and no longer viable. The next best alternative at the time was the “Coyote”, which was slated for the upcoming Mustang and F-150. At a glance, it appeared to be a similar configuration of the Ford Modular family, however Ford USA claimed 95% of the engine was new.
While simply placing a crate engine into the Falcon would have been a viable option, Prodrive and FPV spent around 40 million dollars developing and hand assembling a heavily revised supercharged engine here in Australia. Although many components were imported, a rumoured 35%-40% were locally sourced. One of the most noteworthy is the Harrop/Eaton HTV1900 unit, which received bespoke supporting components before this configuration found its way into the Falcon’s engine bay.
One of the most controversial elements of this engine were the power ratings, which were often found to be very conservative. Using a feature called transient overboost, the engine often recorded figures much higher than quoted. FPV also allowed for further development such as an intercooler, but cost meant these provisions were never realised from factory. An often underrated and misunderstood platform, the “Miami” shows what could be achieved locally with Australian engineering and collaboration.
We regularly have “Miami” powered vehicles through the workshop, recently there was this “Kinetic Blue” FGX XR8. This automatic example is daily driven and is now approaching the 100,000km mark. During a previous service, we noted a slight coolant loss and some excessive play in the water pump pulley. After recommending the vehicle has limited use, we went ahead and organized the relevant parts.
In very similar fashion to the GT-F we featured previously, we took the opportunity to inspect and replace other parts whilst disassembled. These included supercharger oil, drive coupler, drive belts and pulleys and inlet manifold vacuum fitting. We also found that the MAP sensor has been installed incorrectly, which required the thread to be repaired to mount it securely.
Using genuine or OE parts wherever possible, we also noted and matched the original placement and positioning to preserve the factory appearance. Once completed and thoroughly tested, the engine bay received a detail to improve the appearance and presentation.
With the water pump issue now rectified, the FGX can go back to being daily driven. It goes to show why regular servicing and maintenance can be beneficial in catching issues before they develop into a potential failure. We will include a video of the pump in the comments for those interested.
For any enquiries related to servicing or repairs, please get in touch with us for further details or availability.
Harrop Engineering