Hello folks,
Our 1980 Spitfire is making a noise/vibration that seems to be speed-based. I
can't say at what exact speed as the speedo has decided to take a little time
off, but it occurs at 3000-4000 rpm in 4th. It is really a vibration, but you
hear it moreso than feel it. It's probably been there for a while, but with
the hardtop on, I can hear it better.
The noise is like a loud, very low hum, sort of like feedback from a
sub-woofer, loud enough to make conversation difficult. I suspect the
driveshaft,
(which I replaced with a used unit a while back, previous unit had a serious
vibration @ 50mph) but before I pull it and replace it (again), I wonder if
anyone
else has encountered such a problem and solved it somehow.
Thanks for any help or suggestions,
Tom Burke
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