Mark,
I disconnected my driveshaft at the diff. side ( with the tranny in
neutral) and rotated it 180 degrees.
Al
On Mon, 24 Mar 2003 18:15:42 -0500 Mark Hooper <mhooper@pix-cinema.com>
writes:
> Well Al, you've got me. There must be some simple explanation, but I
> don't
> know what it is. By the way, when you said you rotated your crank
> shaft 180
> degreees does that mean relative to the transmission, the
> differential or
> one end of the shaft to the other?
>
> I have a hard vibration too and am trying to eliminate it.
>
> Mark
>
>
> -----Original Message-----
> From: Paula J. Graffam [mailto:pjgraffam@juno.com]
> Sent: Monday, March 24, 2003 6:12 PM
> To: mhooper@pix-cinema.com
> Cc: 6pack@autox.team.net
> Subject: Re: Prop/driveshaft vibration
>
>
> Hi Mark,
>
> I really don't have anything different with my speedo. The cable
> conversion is straight forward . . . it's simply connected to the
> right
> side of the tranny and is braced accordingly and tracks like the
> original. I don't see how the vibration could affect my speedo.
>
> Al
>
> On Mon, 24 Mar 2003 17:57:48 -0500 Mark Hooper
> <mhooper@pix-cinema.com>
> writes:
> > Al:
> > The only possible cause would be that the link between the speedo
> > cable and
> > the transmission was being affected by the vibration. That would
> > indicate
> > some sort of magnetic follower gear in the transmission which
> seems
> > amazingly unlikely for a mechanical speedo. What sort of
> speedometer
> > setup
> > do you have in the conversion?
> >
> > Mark Hooper
> > 1972 TR6
> >
> >
> > -----Original Message-----
> > From: Paula J. Graffam [mailto:pjgraffam@juno.com]
> > Sent: Monday, March 24, 2003 5:28 PM
> > To: 6pack@autox.team.net
> > Subject: Prop/driveshaft vibration
> >
> >
> > Hi Listers,
> >
> > After converting my tranny(van den Akker) I noticed a definate
> > vibration
> > at 60mph@ 3000+ rpm. Some call it harmonic vibration. After
> > talking to
> > Herman, he advised me to rotate the driveshaft 180degrees ( maybe
> I
> > incorrectly installed the shaft).
> >
> > Well it worked . . . much to my relief!!! I guess it's a common
> > troubleshooting technique. However, I also noticed that my rpms
> > DECREASED especially in 4th and 5th gears. I'm not sure why this
> > is.
> > Mind you now, I'm NOT complaining.
> > I'm now doing about 26k at 60mph and just about 29k at 70mph.
> >
> > Does anyone know why I'm doing better on the rpms AFTER the
> > correction?
> >
> > Regards,
> >
> > Al Graffam
> >
> > ________________________________________________________________
> >
>
>
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