SusProg3D - Suspension by Design.
Version 4.664 has a number of enhancements.
Thanks to all of those who made comments and suggestions.
In no particular order.
Added the Volkswagen Beetle twin trailing link
suspension and steering.
When using ECalc or VCalc, for some live axle
rear suspensions the spring rates didn't get calculated if there was no
Your feedback and suggestions are always appreciated.