The angle of the bars actually push back as they move up. I dont see a one size fits all working with spring that have different arches. If the under rides cause wrap, they are binding.
Some springs have more arch than others. Actually a flat spring gets shorter as they compress. The rod will be pushing back and the spring perch trying to move forward.
Not on a Mustang with positive arched springs. The axle moves toward the rear as the spring compresses. I don't see how you could use flat springs on a Mustang, unless it was a lowrider.
actually most of the length change with the leaf set up is in the rear of the spring. remember that the axle is not set in the center of the spring, but actually pushed forward of the spring centerline by a few inches.
actually most of the length change with the leaf set up is in the rear of the spring. remember that the axle is not set in the center of the spring, but actually pushed forward of the spring centerline by a few inches.