If its vibration, it may be the tire(s). Try having them balanced and see
if that decreases the vibration.
David
67 BGT
71 BGT
At 11:30 AM 4/28/2000 -0400, Bob Howard wrote:
> Is this really vibration, as in things shaking, or the sound of
>drumming?
> If it's the sound that is deafening, pounding, resonating, etc, it's
>the dreaded GT resonance at work. It starts at about 2700 rpm and builds
>to about 3200 rpm, then goes away.
> Things that help: 1)replace the asphalt sound proofing that MG
>installed on the floors, 2) install addtional carpet padding under
>carpets (under seat also) and on trans tunnel, and behind the seat, and
>under the +2 seat and under the spare tire and under the carpet on the
>rear deck 3) replace the underdash panels - the crumbly cardboard things
>that are probably missing are replaced by much better plastic units 4)
>carefully inspect for any holes and missing grommets in firewall 5)
>ensure that entire exhaust system is not touching the underside of the
>car at any engine speed or load, 6) install a foam rubber chunk in the B
>pillar area - see Moss catalogue, 7)open one rear window.
> These all help. None solves the problem completely.
>Bob
>
>On Thu, 27 Apr 2000 17:44:26 -0700 "alaskabob2"
><alaskabob2@freewwweb.com> writes:
> > In my 71 BGT I get a deafening vibration at 60 mph. it is quiet at 55
> > and
> > goes away at 70+
> > any suggestions as to what might cause this??
> >
> >
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