I'm with MattM on this one!
Check the engine numbers, see if it's a 4-bolt main style, if there's no tick tick tick when you rev-up the the engine then you're pretty much assured it's okay.
What sized V-8? small block of big block?
My 1970 Chevy Impala lasted through 201K small block 350 4-bolt main with a 4-barrel carb (4-barrels actually got better mileage due to small primaries).
Cheers
Bruce S