Some possible causes, broken clutch spring, bad throwout bearing, oil on the
disc, FWIW
-Wayne

> Hi all,
> I have a Tiico conversion with 5k on it. It's a
> syncro. I have been having some problems taking off
> from a stop for the last week or so. If I dump the
> clutch & hit it, no problem. If I gradually let the
> clutch out like normal there is a strong vibration
> coming from the back. Like something is bouncing until
> the clutch is all the way out & I'm up to speed.
>
> etc.......