The ‘regular’ 4C is powered by a 1.75 litre four-cylinder turbocharged engine producing 177kW and 350Nm, with a 0-100km/h time of 4.5 seconds.
Lazzarini would also fit the 458’s transmission to cope with the extra horsepower, and then strain that transmission further by adding two Hennessey turbochargers.
In theory, this could lift the 458’s 425kW/540Nm output to over 550kW/700Nm; bringing the 0-100km/h time down to between 2.0 and 2.5 seconds, if the power can reach the road.
The 4C’s featherweight 895kg would rise, but the car may still slip under the one-tonne mark.
While this car only exists in Lazzarini's dreams at present - and there are no production plans for such a model - it's more than just a 'paper exercise'; Lazzarini has proposed building a 4C V8 prototype, at a cost of around AU$450,000.
We suspect Lazzarini has a ‘soft spot’ for the 458’s V8 engine, having previously suggested a similar project involving the Fiat 500.
But Alfa Romeo itself is also considering adding more power to future 4C models, although not on the same scale as Lazzarini’s twin-turbo V8.
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