Found a collection of old cars... best chance of 8.75 center section?

Ok... so theres a guy local that has amassed 1000's of cars on his property since the 70's... and nobody except a few people know they're back there....

largely they are junk.. he has stacked them over the years and pushed them around with the loader, etc... However there are quite a few mopars back there, but I've only seen about 1/4 of the place since its 25 acres of woods with cars from one end to the other..

My question is.. IF I can get this guy to let me look around and IF he decides he will sell me something, what are my best chances for finding a 3.55+ sure grip center section??

Forget about anything good.... chargers, RR's, etc they arent there, no hemi cars or anything like that...but he does have alot of C-bodies, some 4dr b bodies, some a-bodies like /6 dusters and stuff...

Is there any general recommendation as to what came in the c-bodies? Did the big block luxury cars have sure grips?

This is all speculation but I want to at least go investigate if he will let me since he is a good friend of my business partner. Hopefully he will let me look around since he pretty much does not and will not sell parts or cars....