Until the mid-1980s Formula One engines were limited to around 12,000 rpm due to the traditional metal springs used to close the valves. The basic configuration of a naturally aspirated Formula One engine had not been greatly modified since the 1967 Ford Cosworth DFV and the mean effective pressure had stayed at around 14 bar. ![]() This contrasts with road car engines of a similar size, which typically operate at less than 6,000 rpm. However, they are electronically limited to 15,000 as of 2021 season. The power a Formula One engine produces is generated by operating at a very high rotational speed, up to 20,000 revolutions per minute (rpm). They were introduced in 2014 and have been developed over the subsequent seasons. ![]() Formula One currently uses 1.6 litre four-stroke turbocharged 90 degree V6 double-overhead camshaft (DOHC) reciprocating engines.
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