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light flywheel + crankshaft

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Uploaded by on Jun 4, 2008

civic d14a4 light flywheel + crankshaft

Category:

Autos & Vehicles

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Standard YouTube License

  • likes, 12 dislikes

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Uploader Comments (DoommHonda)

  • how much does it cost ??

  • its home made .. 100CZK or 1liter alcohol

Top Comments

  • this was either a joke, or a sign of true stupidity

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All Comments (24)

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  • @remytv

    Agreed haha

  • @blown262 Let's agree to disagree. You do know alot and you didn't resort to name calling. Let the viewers bring their own conclusions ;)

  • @remytv

    You're argument would only be valid on a 1 cylinder engine.....And engine braking isn't exactly the best thing for a car. I drive a 6 speed LQ9 s10 and I very, very rarely engine brake. The "proper" way of driving a manual car is to RPM match so that you are making the engine turn the transmission gear shafts at the correct speed, instead of the other way around. The engine is there to do the work to get you moving; the brakes are there to stop you.

  • @blown262 It happens all the time that the load spins the engine while under compression braking, that's a standard way of driving a manual car, your argument makes no sense. Take a 1 piston engine for example, even under load the piston and crank will go through the intake and exhaust strokes, which basicly puts no load on the engine 50% of the time, only the weight of the flywheel keeps the rotation going during that time.

  • @remytv

    You are just ignorant to how things are engineered. Free revving is bad for the engine simply because it was not designed to do that. Engines are designed to have a constant load applied, and free revving revereses the load and makes the load spin the engine. Couple that with my previous comment of the crank sitting in an abnormal spot and you have yourself something that an engine does not like. Next you're going to say superchargers don't have to be under any load to full boost right?

  • @blown262 There is vacuum present each time an engine is engine braking, and each time the piston goes through the intake cycle (every revolution, load or not). What you say makes no sense, and the lubrification system is RPM dependant, not load dependant. And as always, show me a real world case that an engine died from free reving, they always die under load. There's not danger whatsoever to free-reving and engine.

  • @remytv

    Free revving your engine is bad for the mains as mbcyclery stated. There is lack of compression in the cylinders, causing the crank to sit higher in the journals. When you rev an engine high and then let off, there is a near permanent vacuum in the cylinders, sucking the crank further up in the journals. When most cranks are engineered, they take into account the load to be applied when spacing the oil passages. Oil may not be present where it is required while free revving.

  • You have an entire crankshaft? oh man, i wish i could get one

  • @mbcyclery really? When was the last time anybody ever seized their engine while free-reving? Stop making things up.

  • I think you should drive it...... and not waste gas reving it up. PuS

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