: An Abarth Volumex supercharger provided immediate low-end torque to eliminate turbo lag, while a KKK turbocharger took over at approximately 4,000 RPM for massive high-end power.
The S4's heart was a mid-mounted 1,759cc four-cylinder engine that pioneered —the simultaneous use of a supercharger and a turbocharger. Lancia Delta S4
: In full competition trim, the engine produced over 500 hp , allowing the 966 kg car to accelerate from 0 to 60 mph in just 2.3 seconds on loose surfaces. : An Abarth Volumex supercharger provided immediate low-end
: The car featured a chrome-moly steel tubular spaceframe with carbon fiber reinforcements and a lightweight body made of Kevlar and carbon-fiber honeycomb panels. Competitive Success and Tragedy Lancia Delta S4 homologation special details - Facebook the engine produced over 500 hp