[s-cars] pressure test question

[Kenneth Keith]

Djdawson2 at aol.com wrote:
>
> In a message dated 2/12/2006 8:38:53 PM Mountain Standard Time,
> joe at betterbuildingservices.com writes:
>
> It will,  but only if the intake valves are closed and you manually open the
> throttle.
>
> Joe
>
> Joe, you must have partaken in the crack too much while in Steamboat.
>
> Dave

Is that because the compressed air will be stopped somewhere in the
engine, since it's unlikely that both the intake and exhaust valves
are open at the same time?

Ken