I would replace the chains, for sure. It's been debated as to whether or not the guides and tensioners are "wear" items, so I'll leave that to your best judgement- but definitely get some new timing chains.

-Chuck Dienzo Black 98.5 E1 SVT #5022 of 6535 Born on March 16, 1998 "If trees could scream, would we be so cavalier about cutting them down? We might, if they screamed all the time, for no good reason."