It is done...(well almost)

[mr.utility at highstream.net (David Utley)]

Except for the fact that that one cylinder bent its' valve, which change the
geometry of everything, making it less likely for the rest to become
damaged?

Just an idea...

David   fahrvegnugen

-----Original Message-----
From: scirocco-l-bounces@scirocco.org
[mailto:scirocco-l-bounces@scirocco.org]On Behalf Of Julie Macfarlane
Sent: Saturday, October 25, 2003 8:02 AM
To: drew@scirocco.cs.uoguelph.ca
Cc: scirocco-l@scirocco.org; rocco16v@netzero.net
Subject: Re: It is done...(well almost)

It didn't dawn on me till after I sent the mail. But...
If the timing were out enough for #4 to hit, how come 1-2 & 3 never did?
Thtas what we were trying to work out.

In a running engine, the occurrance of the piston rise and valves opening
happens in milliseconds. After #4 crashed, the #2 should have been smacked a
few milliseconds later. (1-3-4-2 firing order). See what I mean?



Julie Macfarlane
Menlo Park Research & Development
Internet Application Developer
www.menloparkrandd.com
www.montgomeryweb.org
Amsterdam NY





>From: Drew MacPherson <drew@scirocco.cs.uoguelph.ca>
>To: Julie Macfarlane <juliemac57@hotmail.com>
>CC: rocco16v@netzero.net, <scirocco-l@scirocco.org>
>Subject: Re: It is done...(well almost)
>Date: Sat, 25 Oct 2003 07:43:07 -0400 (EDT)
>
>
>I think what Larry was aiming to say is that there were only two valves in
>the cylinder (as opposed to in the head, where they are when they're
>closed) when the piston came up to TDC.  Normally the valves are supposed
>to be out of the road by the time that happens... :)
>
>The real drag about the 16V is not that it's an interference engine, but
>that the valves come into the combustion chamber on an angle, which means
>when they get smacked by the piston, they bend.  At least on the diesels
>(you knew it was coming, didn't you?) you generally end up with valve
>impressions in the piston tops and nothing more.  Of course, you can also
>end up with some spectacular valevtrain damage, including followers
>getting driven out of the bore and getting wedged between the cam lobe and
>the side of the head...  But on the plus side, the valves always come out
>unscathed....:)
>
>On Sat, 25 Oct 2003, Julie Macfarlane wrote:
>
> > Larry, sweetheart. Its a 16v. It has 4 per cyl...
> >
> >
> >
> > Julie Macfarlane
> > Menlo Park Research & Development
> > Internet Application Developer
> > www.menloparkrandd.com
> > www.montgomeryweb.org
> > Amsterdam NY
> >
> >
> >
> >
> >
> > >From: "L F" <rocco16v@netzero.net>
> > >To: "Julie Macfarlane"
><juliemac57@hotmail.com>,<scirocco-l@scirocco.org>
> > >Subject: Re: It is done...(well almost)
> > >Date: Fri, 24 Oct 2003 17:57:57 -0700
> > >
> > >Because that's all the valves there were in that cylinder.
> > >HTH.
> > >Larry
> > >   We must have talked for an hour
> > >   trying to work out why the thing only took out 2 valves...
> > >
> > >
> >
> > _________________________________________________________________
> > Never get a busy signal because you are always connected  with
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> >
>
>--
>/=============================================\
>|  84 Wolfsburg Edition TurboDiesel Scirocco  |
>|    http://scirocco.cs.uoguelph.ca/gtd       |
>\=============================================/
>

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