What size motor do you have and what size torsion bars are they?
Do you have a stock setup?
If you lower the ride height using the bolts in the lower control arm, it will firm up your rebound rate and lower your front end. But, if your ball joints, tie rod ends, shocks and pitman arm are worn you may run the risk of putting a lot of stress on your suspension components that may fail.
To lower your ride height, raise the front of your car with both wheels off the ground. SUPPORT your car with jack stands.
Using a 3/4 inch socket and a 1/2 drive, loosen the bolts located in your lower control arm the same amount of turns. Tighten to raise it.
Just remember that you might have to adjust your headlights if you go to an extreme difference in height.