untill you get what you need, you can disconnect the hoses at the engine and screw in some oil pan plugs(that's how mine is , temporarily), I think they are 16mm.
If you find one in a salvage yard make sure it's not off a C4C.

dave h.
'89 Raider V6 5spd;Aisin Hubs;; Gen2 LS: frt. brakes, rear coils;U.C.arms;R.trailing arms;idler arm; rear LSD axle w.disc brakes ;2 battery system for Dog's fan; relocated ECU; custom bumpers;J.Baker receiver;Conferr roofrack; t-bar crank.