Tri-Five Control Arms - '57 Chevy Installation

Climb into the engine bay for a few minutes and remove the bolts that hold the upper arm in place.
Climb into the engine bay for a few minutes and remove the bolts that hold the upper arm i
Climb into the engine bay for a few minutes and remove the bolts that hold the upper arm in place.
Climb into the engine bay for a few minutes and remove the bolts that hold the upper arm i
Save the shims because you'll need to reuse them.

There's no need to reuse the OEM bolts on the new arms. Global West provides all the necessary grade-8 bolts for the installation.
There's no need to reuse the OEM bolts on the new arms. Global West provides all the neces
If you're going to use stock style springs, the lower control arms come with a poly cup for an easy indexing of the spring. If you plan to use coilovers, simply remove the poly cup.
If you're going to use stock style springs, the lower control arms come with a poly cup fo
You may notice that the new upper control arm (once installed) doesn't extend as far as the stock arm. Global West engineered it to give an additional 5-degrees of positive caster.
You may notice that the new upper control arm (once installed) doesn't extend as far as th

With both arms installed this is how it should look. Reinstalling the tall OEM springs back in place is when the fun part begins.
With both arms installed this is how it should look. Reinstalling the tall OEM springs bac
The top of the spring should already be indexed in the top arm before the bottom is installed. Installing the springs will be next to impossible without a spring compressor and a second person manning the floor jack. Once the OEM spring is compressed, it may take a few minutes to muscle it into place with pry bars. After the spring is in place, raise the floor jack to further compress the spring and seat it in the lower arm. Now the spindles and shock will continue without any problem. Since the tall OEM spring was used, it took a few more minutes to muscle it back into place. Coilovers or lowering springs will take less effort.
The top of the spring should already be indexed in the top arm before the bottom is instal
Once everything is installed the alignment shop should be first on the order of business. A technical sheet of alignment instructions from Global West comes with these control arms. Bring the instructions with you for reference when the car is aligned. You will notice less pitch when rounding corners and reduced bump steer. This '57 will also steer a lot straighter on the highway. What's not to love about that? As for the stock stamped arms, save 'em or sell 'em at the next Super Chevy show swap meet.
Once everything is installed the alignment shop should be first on the order of business.