Either way torsion or coilover 40k for any running nicely appointed CCX is a good deal. They are well constructed and will last for many years. Engines can easily be changed out thus somewhat equal but a SO adds to it.
The CCX group can offer support offline via email
Build manuals (free)
Tech help (free)
tech literature (free)
and more..........
Go ahead buy one, you won't regret it!
