from an Island I have to mirror what Bruce has now explained. An actual frame staightening rack has a bunch of different do-dads to torture a frame with. From pulling outward to pushing inward. From bending down to torquing and everyting in between. from Ridgefield, Ct. Something that stood https://local-mechanics94710.blogdon.net/cost-to-fix-bent-car-frame-fundamentals-explained-32919304