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Advantages of Hackworth Valve gear?

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Howard Lewis06/02/2018 11:06:52
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T head petrol engines worked, but were limited in maximum compression ratio, and so in efficiency, compared to our modern high compression DOHC engines. Wonder what were the gaseous emissions of those early engines?

Horses for courses?

Howard

Edited By Howard Lewis on 06/02/2018 11:07:18

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