The British combustion chamber revolution
Feb 03, 2021
3 minutes
Kevin Cameron
N early every car, light truck, and motorcycle engine combustion chamber made today is directly traceable to Keith Duckworth’s
V8 DFV Formula One engine of
1967. It combined four narrow-included-angle valves per cylinder with an almost featureless, flat piston crown, and a substantial intake downdraft angle to make a high-flowing, fast-burning combustion chamber whose good qualities recommended it for almost all automotive applications.
Previously, it had been dogma that racing engines should have two valves per cylinder, their
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