[alfa] re: camshafts and valves

["Chris Landry" <chris@xxxxxxxxxxxxxxxxxxxxx>]

> >I was talking to a mechanic the other day at a machine shop, and he
> >has a bit of experience with motor cycle engines. Some engines even
> >have 8 (yes eight!) valves per cylinder. Also rotating heads where a
disk
> >with a hole in it rotates to the intake and exhaust position, but
this is
> >not
> >very good because the port is only open for 1 degree for each
rotation.
> 
Not necessarily.  The hole in the disk might be different than the port
size.

chris
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