[s-cars] WTB - Rear Diff

[Robert Rossato]

> Basically, I've got a speed-dependent vibration (40 and 80 mph) that's
> independent of gear selected (even neutral) and power 
> application.  I'm
> convinced it's a rotational imbalance somewhere, but it's proven
> impossible to isolate, even when running the driveline up to speed on
> the lift--I can see/feel the car vibrate, but not the source.  I've
> swapped wheels, all driveshafts, two transmissions... not to 
> mention all
> the bushings and mounts.  

When you say all driveshafts, does that include the center prop shaft?
Could have something going on there with either of the CV joints, or the
center bearing.

Bob