Related Photo Galleries
As with the upper control arms, the lower control arms were matched to the length of the stock arms for the initial installation. On A-bodies, Jarvis recommends setting the lower control arms at a 2- to 4-degree upward angle. "If you actually plot out the instant centers of the rear suspension, you will see that a slight upward angle will give you the best combination of front end lift and anti-dive characteristics. Lower is better to a point, but then the geometry gets screwed up and your suspension just won't work," he explains.