Valve Float

This is a video showing valve float in a running engine at high RPM.

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Overhead Cam at 14K RPM
This video shows an operational cutaway of a BMW S1000RR — a 193HP superbike — bumping against its 14,200RPM redline. A cam and valvetrain at 118 cycles per second is an amazing sight (and sound)





Inside the Cylinder
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Valve spring 8500 rpm





Springless Valvetrain For Push Rod Engines!
New engine technology has arrived with this springless valvetrain system for pushrod engines. This breakthrough has been developed by Decuir Engine Technologies.




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