Ford Cosworth began developing the GBA in 1986 as its first turbo era Formula 1 engine, created to answer the rising power and efficiency demands that defined the mid eighties. After years of success with the DFV, the company faced a new landscape shaped by boost pressure, fuel limits and rapid advances in electronics. The GBA program focused on packaging, heat control and sustained reliability on the test bench as engineers worked to understand a power unit concept entirely different from the n