Global West Suspension manufactures Track-Pro Coilover Drag Racing Kits for the 1967, 1968, and 1969 Firebird.
Specifically designed for drag racing, Global West offers tubular upper and lower control arms with low friction bushings that allow the front end to respond quickly. New alignment specifications are included in the kit.The Global West Advantage:
Lower Control Arms:
- The upper arms will provide superior geometry, more caster, low friction upper bushings and weight savings. The lower arms provide strength and low friction bushings. This combination will allow the front end to snap up rapidly and do to the design will also not deflect. The front end will hold an alignment and be stable.
- The lower control arms are designed to support a coilover shock and spring combination. This area must support the cars weight and handle wheel stands. The arm will accept several types of mounted shocks such as QA-1, AFCO and others.
- The shock installs on top of the lower control arm, not from underneath. The lower arm bushings are made from a low friction plastic. When bolted on to the car, the arm should fall to the ground. Even though the arm moves freely there is still no deflection fore or aft, this is a great improvement over stock or polyurethane bushings. Straight–line stability is improved automatically.
Caster provides straight-line stability. The upper control arms have built in positive caster. These particular units have 6 degrees built in.
However, the 1967-69 Camaro never had enough positive caster available using the stock components. For example: Let’s take a 67-69 Camaro, the stock alignment using stock shafts and control arms is caster 0 to 1 degree positive, camber 1/2 a degree positive and toe-in set at 1/8 to 1/4 in.
Even if you used an offset upper control arm shaft in your stock arm, the best caster setting you may get is an average 3-3 1/2 degrees positive. Remember you also have to set camber. That is the trick, getting camber and caster set properly with enough caster.
That is where our tubular upper control arm comes in. The arm has 6 degrees positive caster built in, so minimal shims are required for getting plenty of caster and spot on camber settings.Let’s talk about weight:
The lower arms are a trade off from stock. We are more concerned with safety then weight. The lower arm needs to withstand a tremendous load. The upper arms are considered followers and are made out of 4130. The cross shafts are made out of aluminum. You will save 8 pounds over the stock units. All of the savings will be in the upper arms.Note:
A trick when aligning a drag car is to lift the front end up 3/4 inch when setting the alignment.