im in the same boat i already have a 68 mustang want another early one so im looking for a 71-73 fastback. i have done some parts hunting global west will be soon offering front coilovers for them only company does right now is tcp and i dont like how it mounts on the shock tower.rear best i found is
http://www.evolutionmsport.com/evmCa...products_id=47
theres weld in subframe conectors. ronny ask your brother with the purple one where he got his gauges from.