> Since it is up and off the ground I noticed something I didn't know.
> If
> I rotate one rear wheel the other one doesn't move. Usually on modern
> cars,
> the other rear wheel spins in the opposite direction, and I've been told
> that that was positive traction. And I guess our cars lack this? What
> exactly is it that we are missing?
The opposite wheel will turn in the opposite direction only if the input
shaft to the differential is staionary, as it would be if your driveshaft
were installed. But, because the driveshaft is not installed, turning one
wheel is more likely to turn the differential input shaft rather than the
opposite wheel, because there is less drag and interia to overcome on the
input shaft than there is on the opposite half shaft.
> Also, when I turn the driveshaft by hand, only the right rear tire
> turns- why is this?
As Randall surmised, this is probably due to the brake hanging up on the
leaft rear wheel. It doesn't mean it is locked on, it just needs to be a
little snug for this to happen.
Michael Marr
1960 TR3A
2000 Jag XK8
Naperville, IL
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