i seen a clean one at a impound yard in west sac going or cheap like 2 weeks ago im not sure if its still there though but get at me if you want tha info to get out there
i found my iroc off craigslist. some cat in san ramon put hella $$$ into it and ended up having to sell it.
'92 350 5.7L Z28/IROC brand new engine/tranny with slap and a great body. $4000