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What are the disadvantages to have a large valve overlap?
Imalmalaka
High end Rpm output tails sooner, engines idle is lumpy, emissions are higher, too much overlap can cause rough low rpm driving, more chance of detonation.
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∙ 13y ago
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Disadvantages of online catalog?
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What does the term valve overlap mean?
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When the intake and exhaust valves are both open at the same time that length of time is called?
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What is valve overlap?
Valve overlap occurs in a four-stroke engine at the end of the Exhaust stroke and at the beginning of the Induction stroke; and is when both the exhaust and inlet valves are open at the same time. At the end of the Exhaust stroke, the Exhaust valve is closing and the Inlet valve is starting to open in preparation for the induction of fuel and air into the cylinder. It is common knowledge that in vehicles that cannot alter the valve timing, the Inlet valve opens approx 6 degrees before top-dead-centre and the Exhaust valve closes at 9 degrees after top-dead-centre
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What does a overlap valve do?
send a small amount of raw fuel/air to the catalytic convertor,which increases the efficiency of the operating engine.
What valve is at the junction of the large and small intestines?
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What structure is found at the junction of the small and large intestine?
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