One of the worst things that could happen to an engine, valve float usually happens at really high speeds. Poppet Valves are a part of an IC engine and their job is to moderate fuel and exhaust intake and outtake.
They are located on top of the piston. A valve float means that these poppet valves stop closing. This results in low performance reduced efficiency and in worst-case scenarios piston blowing out of the engine. Yes, it is. Should you do it all the time? Engines are designed in such a way that they can perform at redline without breaking down or taking damage at those RPMs. Working at peak performance be it an engine or anything else will take its toll and cause wear and tear.
Newer cars also come with rev limiters that cut fuel supply if the engine is working at redline or above for too long. Let stake a look at if it works and if its worth to redline your engine. A redline a day keeps the carbon at bay. Tags: car maintenance driving tips. Newsletter Signup First Name: Email address:.
Notify of. Oldest Newest Most Voted. Inline Feedbacks. What is coolant or antifreeze and why does your car need it? January 15, This is the only reason that car manufacturers provide Rev Limiter and professionally designed tachometers in the car.
Tachometer indicates the speed and RPMs of the car to stay within the limits. One can easily go through the safe rotational speed from the indicators on tachometer as well.
Driving a car above the limit sounds exciting but is it really good for your car? The manufacturers have quality tested the thing for a number of times and then designed a redline to avoid any dilemmas. Speeding over the redline spins the engine to the highest degree, which generates excessive heat that might affect the performance. That is why all the sports cars have an inbuilt engine cut-off feature that stops the fuel flow and stop the engine spinning.
Passing the redline limit before the engine gets completely warm can hurt the transmission greatly. Crossing the redline may smash the entire shafts and transmission system.
This is because the oil temperature takes a little longer to warm up before taking the boost. What is Redlining? So for example, if you accelerate your car and the gauge reaches the 3, your tires are spinning at 3, rotations per minute. When drivers accelerate quick enough, the gauge may reach into this zone -- and that is called redlining.
Consistently redlining your car can cause serious damage to not only your tires, but also your engine. For those with manual-shift modes or manual transmissions, it can be quite easy to redline whether on accident or on purpose and eventually cause your engine to wear down prematurely. Other aspects of your car may also suffer from consistent redlining over time. The valve train -- which controls the flow of gas into and out of the combustion chamber of your engine -- and the transmission can also be damaged through redlinine.
These parts are neither cheap nor easy to repair, which is why our auto service center recommends staying below the red zone.
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