O/T Compression ratio and supercharging

Shannen Durphey shannen at grolen.com
Thu May 27 05:00:39 GMT 1999


Thinking that higher piston speeds will tend to fill cylinders better
on intake stroke, and lose less pressure to leakage on compression
stroke.
Shannen

Gary Derian wrote:
> 
> I don't see where stroke length has any effect but intake valve closing sure
> does.
> 
> Gary Derian <gderian at oh.verio.com>
> 
> > > Another tidbit that may or may not help is that my 91 Mitsu Eclipse
> > > Turbo 5-speed had only 120 lbs. of compression pressure on all four
> > > sylinders....
> > >
> > I believe that cranking compression ratio has more relation to stroke
> > length and valve timing than compression ratio.  Anyone?
> > Shannen




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