A dynamic compression of around 8.5:1 makes a good streeter.

Robert Charles Scealy wrote:

> The later a camshaft shuts the valves on the power stroke, the lower the
> dynamic compression ratio is, ie while the valves are open any
> compression that might have been built up past BDC is lost out the inlet
> valve. Miller cycle engines use this fact to reduce thier pumping
> losses, they deliberately shut the valves quite late so that less of the
> cycle is spent compressing gas, and they open the exhaust late so that
> more of the downstroke is effective.
>
> On Tue, 24 Jun 2003, David Andrews wrote:
>
> > How so? I'm not trying to dispute the fact I'm just curious as to know
> > why.
> > Ta,
> >
> > Dave
> > >>>>>>>>>>>>>>>>>> Original Message <<<<<<<<<<<<<<<<<<
> >
> > On 24/06/03, 11:18:43, Kristian Walsham <[EMAIL PROTECTED]> wrote
> > regarding Re: Compression Ration:
> >
> >
> > > I guess it just depends on how big your camshaft is.
> >
> >
> > > Kris
> > > ----- Original Message -----
> > > From: "mark krawczuk"
> > > To:
> > > Sent: Monday, June 23, 2003 11:48 PM
> > > Subject: Re: Compression Ration
> >
> >
> > > > hi, my brother is running 11.5 to 1 on his 360 chrysler.
> > > >
> > > > mark k
> > > >
> > > > ----- Original Message -----
> > > > From: "Robert Sidaway"
> > > > To:
> > > > Sent: Monday, June 23, 2003 12:28 PM
> > > > Subject: Compression Ration
> > > >
> > > >
> > > > > Hi, does anyone know what is the highest CR you can
> > > > > run while still using optimax?
> > > > > thanks
> > > > >
> > > > > __________________________________
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> > > >
> >
> >
> >
>

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