Re: [FWDLK] Ain't it the truth....

[Eastern Sierra Adjustment Svc <esierraadj@xxxxxxxxxxx>]

The engine may be 'turning' 7K rpm, but, I wonder what the time-frame 
is, for the cycling of the valve spring's action?

It would have been neat to have had a high-speed 'clock' operating, 
alongside the valve spring, to observe
the passage of micro-seconds.


Neil Vedder



William Huff wrote:
> Pretty amazing how much action there is in a microsecond.  That looked 
> like single valve spring engine going 8000 RPM.  Am I out of the loop, 
> is that how modern engines are built?  Seems contrary to what we used 
> a few dozen years ago.
>
> This one was on the same You tube page.  Even though there is still a 
> lot of motion, the inner vavle spring and the oscillation damper seem 
> to quiet things down a bit.  Don't know what the after market springs 
> have, but my Mopar Performance cams have always come with the damper 
> inside if you get a Hemi grind or above with single springs.
>
> http://www.youtube.com/watch?v=i_NpzU4pGjc&feature=related
>
>
> Bill Huff
>
>
>
> At 9/3/200906:28 PM, Eastern Sierra Adjustment Svc wrote:
> > http://d.yimg.com/a/p/uc/20090903/largeimagetmsho090903.gif
> >
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