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The term "Valve Lead" best describes the amount in degrees in which a valve will open before its desired stroke begins The amount of Valve lead can be influential in the amount of air being drawn into the engine. If the inlet valve is opened before the piston has reached TDC on the exhaust stroke it will increase the amount of air going in for the induction stroke. This is also true if the Exhaust valve is opened before BDC on the power stroke the exhaust gases will get a head start in leaving the cylinder allowing more space for inlet gases to enter.
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Why do some motor car wheels have a small lead weight fixed to the rim opposite the valve?
The small lead weight fixed to the rim opposite the valve on some motor car wheels is used for balancing purposes. When a wheel is manufactured, it may not be perfectly balanced, leading to vibrations and uneven wear on the tires. The lead weight is strategically placed to counterbalance any heavy spots on the wheel, ensuring smooth rotation and optimal performance while driving.
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Did Moses Austin lead the development of the American lead industry?
yes
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Can a bad circuit breaker on a 3 phase motor cause the motor to run backwards?
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What new minivans 2012 has the biggest motor in the industry?
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