Shackles? All those do is connect the springs to the frame. What sort of innovation can there be related to shackles? This is a valid question. Shackles are the least glamorous component of a ...

What is a good leaf spring shackle angle with full weight at rest? I'm building a flatfender Jeep with a spring-under rear suspension using Rubicon Express 4 1/2-inch-lift YJ springs to help control ...

Fifty years is a long time, especially for a vehicle's suspension components. Although the shocks get replaced regularly, leaf springs are rarely given much thought—unless you want to lower the ...

There's a natural progression of modifications and updates necessitated in order to make one of GM's Advance Design pickups ride, handle, steer, and stop better: IFS, disc brakes, and an open-drive ...