howling after T-belt job?

[james accordino]

If they run drastically out of phase?  Valve fully
open with piston at TDC?  Everything full hot and
expanded.  This is not always taken into account.  The
speed of the internals is also important.  No even
close cold on the rack and contact at 5k and full hot.

Jim Accordino

--- David <duandcc_forums at cox.net> wrote:
> So from the sounds of this, the NG is
> non-interferance at low RPMs and interferance at
> high RPMs? How is that possible? We don't have any
> kind of variable vales or anything, right? I'm so
> confused...
>
> Dave
>
> >
> > From: Jim Green <jeg1976 at yahoo.com>
> > Date: 2003/07/23 Wed AM 11:47:37 EDT
> > To: mswanson at sonitrol.net,  David
> <duandcc_forums at cox.net>
> > CC: quattro at audifans.com
> > Subject: Re: Re: howling after T-belt job?
> >
> >
> > --- Marc Swanson <mswanson at sonitrol.net> wrote:
> > >
> > > > Huh? NG is non-interferance? Really? I head
> that
> > > there had been documented cases of valve
> collision
> > > in a case of a broken belt. So, what's the
> truth?
> > > Interferance or non-interferance...
> > >
> > >
> > > well, I can tell you that on an NG you can take
> off
> > > the belt and spin
> > > the crank or cam with no interference.  That
> said,
> > > if things are a bit
> > > out of tolerance I imagine the possibility
> exists
> > > that you _COULD_ get
> > > valve-piston collision.
> >
> >
> > I've done it, belt snapped at 5k, bent 4 valves.
> I
> > wish I would have put that $1K into the turbo swap
> >
> > =====
> > Jim Green
> > '89 90tq 034EFI Stage II
> > http://www.geocities.com/jeg1976/car_home.html
> >
> > __________________________________
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>


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