Date:         Wed, 26 Jan 2005 11:28:28 -0500
Reply-To:     tabe johnson <xtabe@YAHOO.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         tabe johnson <xtabe@YAHOO.COM>
Subject:      Re: How does a leak down tester work???
Comments: To: Stan Wilder <wilden1-1@sbcglobal.net>
In-Reply-To:  <000701c50370$054dc350$2bdf5e44@noner4688xfd1h>
Content-Type: text/plain; charset=us-ascii

Hi Stan,

Not sure what you mean by this... Can you break it down for me?  (heh heh..
get it?  Break down?  I kill myself)

Thanks!

--tabe


 --- Stan Wilder <wilden1-1@sbcglobal.net> wrote:
> Actually what you're missing here is that you're running an 8.1 to 8.5
> compression engine and the good numbers are not significantly differently
> than the bad numbers.
> Its called PARANOID MAINTENANCE.
> In my ten years of running 83 Westphalia an 76 Porsche 912e I'm confirmed
> that my engines never failed but I could have made the same miles with just
> regular manual maintenance.
> 20/50 Wt isn't a fix. oil coolers aren't a fix................. it Sorta
> breaks down to Desert Racer or East coats commuter.
>
> Stan Wilder
> Engine Ceramics
> 214-352-4931
> www.engineceramics.com
> ----- Original Message -----
> From: "tabe johnson" <xtabe@YAHOO.COM>
> To: <vanagon@GERRY.VANAGON.COM>
> Sent: Tuesday, January 25, 2005 11:40 PM
> Subject: How does a leak down tester work???
>
>
> > I understand the idea behind leak down testing but
> > have questions for someone who's actually used a
> > leak down tester before.  I haven't.
> >
> > To get your % leakage number, do you just pressurize
> > the cylinder, cut off the airflow,  and measure the
> > pressure after, say, one minute of the air slowly
> > leaking out of the cylinder?
> >
> > Or - Do you apply a constant pressure through a flow
> > restrictor to the cylinder and measure the pressure
> > on the cylinder side of the flow restrictor?  If so, how
> > do you decide how large a restriction to use?
> >
> > What am I missing here?
> >
> > Thanks!
> >
> > --tabe johnson
> > xtabe@yahoo.com
> > Leaky Head Westy


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