i'm selling an oil pan for a 5.3L, an alternator and a ps pump for the ls1. the oil pan is perfect for s10s because it allows for more clearance for the crossmember. you still have to trim a little but not as much as for the ls1 pan. everything is on ebay.
alternator
http://cgi.ebay.com/ebaymotors/ws/eBayISAP...item=2436913076
ps pump
http://cgi.ebay.com/ebaymotors/ws/eBayISAP...item=2436982786
oil pan
http://cgi.ebay.com/ebaymotors/ws/eBayISAP...item=2437004587