Looks to be a pretty nice V8 conversion (with A/C!) I'm curious what the reserve is. Check it out at:
http://www.ebay.com/itm/Datsun-Z-Series-280-Z-1977-datsun-280-z-updated-v-8-cold-air-conditioning-original-body-video-/391068817472?forcerrptr=true&hash=item5b0d849840&item=391068817472&pt=US_Cars_Trucks