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Q: What is the purpose of exhaust valve lead?
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exhaust valve lead is where the exhaust has a continuous outward pressure to allow the carrott chassis to congregate a new rivet on the downward cylinder. +++ Apparently, 2 people found that tosh, "useful", showing not 1 but 3 born every minute. As to the question, I understand "lead" to refer to the start of the valve opening before top dead centre but I stand to be corrected by someone more knowledgeable on car engine design.


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What is meant by the term valve lead in the motor industry?

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