I really doubt the timing would have changed. That would have required your timing chain break free behind the timing cover. Having the balancer come off sure is scary though! I bet that made one hell of a racket!
Comp Cams 222/234 113 lsa, 1.8 roller rockers, 2800 stall, Kooks Mids, Borla Catback, Brembos, VMR V710's, Pedders XA Coilovers, Tuned it myself with HP Tuners