sounds like the hydrolic lifters are starting to get noisey. Its not a problem, just an annoyance. at 58K miles... Seems like thats happening a little early. what oil are you using?
98 Corolla LE 1.8L DOHC 1ZZFE
TEIN H.Tech Springs
Tokico HP series Struts
Short ram air intake
Tsudo Axel Back Exhaust
... if a jelly fish stung me.. would you pee on the wound?