Ron,
In answer to some of your questions:
1. Competition springs (rear only): they are stiffer. If ride comfort is a
problem for you when you switch to these, you can easily switch them back to
stock. The removal/replacement for the springs is simple: disconnect the shock
link, jack up the car by the chassis, the spring falls out. Replacement is the
reverse of the removal. Make sure that wherever you get the springs from that
they tell you that the final ride-hieght of the car is stock! Some of the
springs out there leave the car sitting higher. Note: rear-end squat on TR6's
is
pretty normal during hard acceleration. I assume that you aren't bottoming out
when you really step on it?
2. Nylon bushings: I believe you want Duralin or Urathane bushings. If TRF et
al
don't have them, talk to a local race or Street Rod shoppe. They'll know what
you want.
3. If the shocks aren't leaky, they probably do not need to be replaced. If
they
are empty, you can refill them with shock oil from motorcycles (and possibly
other sources.)
4. U-joints: There are two on each axle, and two on the propeller shaft (six
total). Replace them when you have the time (i.e. while you have the car up for
the winter). It's a lot cheaper in the long run (u-joint failures can be very
expensive if you are far from home when they fail.) The u-joints can be gotten
from you local foreign car parts place for less that $20 each. While your at
it,
get a couple for spares!
5. Alignment: Make sure the frame is OKAY before you proceed. If you have
cracks
or bad rust, all of the alignment work will be for naught. When you dismantle,
keep careful record of the number of shims etc. on each mounting bracket. When
you buy your parts, get a pile of new shims, just in case. Any local alignment
place should be able to do an alignment. Also: if the frame is in bad shape,
some repairs are possible.
6. Words of wisdom: None here. One point though. Are you sure that your rear
alignment is really out of whack? Are you getting un-even tire wear on the rear
tires? Have you checked your rear hubs for excessive play? A lot of rear-end
slop can be directly attributed shoddy bearings on the rear hubs. You might
seriously consider tossing in some rebuilt rear hubs while you have everything
apart. My word of widom on rebuilt hubs is: Get 'em from TRF or a shop that is
very familiar with the rebuiling prceedure. If you don't you WILL spend a lot
of
money.
Happy rebuilding.
rml
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