Reply to "Standard Suspension"

Hi, Matt. There are a number of simple things you can do to your suspension to upgrade the handling, depending on how handy you are (or how rich!)
The front a-arm bushings can all be changed to polyurethane, which tightens up the handling by getting rid of the compliance in rubber bushings. Urethane bushings can also be had with thick and thin edges such that the upper a-arms are displaced backward, thus increasing caster. By only doing the upper arms, the caster will increase from 2.6 degrees to around 3.5 degrees. By ALSO doing the lower a-arms, in the opposite direction, the caster increases again- to around 4.5 degrees. With each addition in caster you'll notice an increase in steering effort at low soeeds and a corresponding increase in high speed stability. Most street guys adjust to a comfort level rather than going for the absolute max possible caster. No machining is necessary with these simple changes.
The next step is with anti-sway bars; your Pantera has a larger bar in front and a small one in the rear. By changing to a larger rear bar and retaining the stock front one, the stock understeer progressively decreases. Another step involves adding urethane central bushings for the bars to pivot in, and a type of 'rose joint' on the ends of both bars to eliminate binding. If you really get into this handling stuff, HOLLOW anti-sway bars of 4130-steel will not only increase your handling as above, they remove about 2/3 of the weight of the bars. Again, zero machining is involved with these changes and they are all reversible to stock; it's all bolt-on parts.
FWIW, your black shocks are early ones made under license from Koni and have adjustable damping. They can be rebuilt. The blue ones are later models and cannot be adjusted or rebuilt. Current Konis are high-pressure gas charged and not only have adjustable damping, the spring perches are also adjustable for ride height, plus they are about 1/3 less weight than stock. Gas shocks can also be mounted upside-down for adjusting convenience and a small further reduction in unsprung weight.
After you do these things, write back and tell up how you like driving your 'new' car!