[s-cars] pressure test question

[djdawson2@aol.com]

Yes... my offline post to Joey:
 
The throttle plate stops nothing.  Try a pressure test sometime.  Your boost gauge will immediately show your test pressure... and your gauge picks up from within the IM.
 
Intake valves... who cares.  If the valve is open, the pressure simply enters the cylinder as well as the IM... which is still primarily a dead end... except some ring leakage.
 
Turbo cars typically use cams with no overlap, so if an intake valve is open, the exhaust valve won't be.  Air enters the cylinder, and that's all the further it can go.
 
HTH,
Dave
 
 
-----Original Message-----
From: Kenneth Keith <auditude at gmail.com>
To: s-car-list at audifans.com
Sent: Mon, 13 Feb 2006 09:35:03 -0700
Subject: Re: [s-cars] pressure test question


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
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