Drew, with my set up - I do on average 10 days a year at the track - first time I had stock standard suspension - fun but was...well....slower than my old VT commodore!!!
first step I did the springs and shocks from syd kid
car felt alot more alive! and handled better, much better!
now Ive got the sway bars and castor it should do much better, but also - tyre choices now come into play.
so on the easter sat track day, my car with just those mods, I feel will increase corner speed and reduce body roll, lowering my lap times.
EC in my VT LS1 did 2.02 (FE2 suspension, king springs, kings camber kit (rear),whiteline front strut brace)
In my line did around 2:09 standard suspension
so if I dont get under 2:02....there is something wrong with my driving
So my question is - 2nd hand suspension might be cheap short term, but long term, rebuild?replacement?
Might be worth it to pay that little bit extra and get brand newies - such as the group buy?
Anyhoo - I prob have no idea so Im off hehehe