Getting the Right Fit - How to Measure Torsion Axles
If you're staring at a rusted-out trailer and trying to figure out how to measure torsion axles, don't worry—it's actually a lot simpler than it looks once you know which points matter. Torsion axles are a bit of a different beast compared to standard leaf spring setups. Since the suspension is built right into the axle tube itself, you can't just swap parts around as easily. You need to get the measurements spot on the first time, or you'll end up with an axle that either doesn't fit your frame or leaves your tires rubbing against the wheel wells. ...