I ran a couple weeks without a rear driveshaft while a new longer one was being made. Put a 2 " rubber plumbing cap, that kinda with a hose clamp on the output housing. It will steer abit funny and eat more gas but you can get by in a pinch,,50 mph is about as fast as I'd go.

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.