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Re: strange vibrations - resolution - Water pump??

To: Carter Shore <clshore@yahoo.com>, Paul Tegler
Subject: Re: strange vibrations - resolution - Water pump??
From: Douglas Braun & Nadia Papakonstantinou <doug@dougbraun.com>
Date: Sat, 20 Oct 2001 21:00:24 -0400
Try taking off the belt, and driving a couple of blocks
without it.  As long as your battery is charged up and you
don't get stuck in traffic, you'll be OK  :-)

Doug Braun
'72 Spit

At 01:38 PM 10/20/01 , Carter Shore wrote:
>Do you run a fan on the water pump pulley?
>
>Maybe it's a wonky belt or alternator bearing.
>
>If it's on the motor and RPM related, you ought to be
>able to reproduce it sitting still with the bonnet up.
>
>Do you have a timing light?
>
>Find a darker area (or wait 'till evening), check out
>what's happening with the belts/pulleys, esp the wp,
>illuminated by the TL.
>
>I've been amazed how much belt whip you see on some
>cars, observed this way.
>
>Carter
>
>--- Paul Tegler <ptegler@cablespeed.com> wrote:
> > Concerning my 'strange womp-womp
> > vibration  I just went out for a test drive
> > without the tunnel in place on the Spitfire.
> > I Still couldn't tell where the vib or
> > womp-womp-womp comes from.
> > 
> > It seems to be at a sub-multiple of the
> > engine rpm and more noticeable at
> > around 2500-3500 rpm.
> > 
> > I was able to take it out of gear and drift
> > at about 40mph down a long gentle hill
> > . No womp-womp.
> > I put it back in gear...back to around 3krpm
> > and I can feel/hear it.
> > 
> > Wit ha hand on the tranny it didn't feel like the
> > same sound I was hearing.
> > 
> > Now  here we go.... Would anyone believe it
> > could be a water pump?  I just wiggled
> > the pulley and I can feel ever so slightly a
> > axial side play in it
> > 
> > Any thoughts?  Anybody?
> > 
> > 
> > Paul Tegler      ptegler@cablespeed.com
> > www.teglerizer.com
>Make a great connection at Yahoo! Personals.
>http://personals.yahoo.com

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