is this camshaft worth buying (ZZ9), i recently installed the GM performance H.O. ZZ3 cam with 1.5 roller rockers, new comp cam valve springs, hedman headders, 8.8 MSD super conductor plug wires,accel fuel injectors, air foil, K&N air filters, homemade ram air,sub-frame connecters and a flow master exhaust with a test pipe it sounds and runs great,i orderd a hypertech prom, low temp powerstat, and fan switch, but i want more so i was considering the ZZ9 cam,but i want it to be some what stock(sleeper).....also anyone know where i can buy a 90 Iroc-z yellow dash emblem?