It is done...(well almost)

[juliemac57 at hotmail.com (Julie Macfarlane)]

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...
> > >
> > >
> >
> > _________________________________________________________________
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> >
>
>--
>/=============================================\
>|  84 Wolfsburg Edition TurboDiesel Scirocco  |
>|    http://scirocco.cs.uoguelph.ca/gtd       |
>\=============================================/
>

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