[Lynn]

I'll take a shot.

First, understand most guys would rather piece together their own engine (and tranny for most of us). Crap shoot buying what someone else put together, even if it was done perfectly, you can't tell.

M-21 brings anywhere from $600 to $1200 w/o the clutch.
Sold from a vendor with a warranty, a bit more.
Of course, the guy who owns the Pontiac it came out of... well, more to him, if that car is still around.

Would need more info on the 350. Crank standard? 1182 crank? Those bring a premium. Unfortunately,you can probably sell it off piece by piece for more. In a hurry to sell? You will take a bigger hit, and have a hard time finding a buyer.