ck80, as to your Buick 350 search, not sure where you are at in the US but, at this point, would it not be simpler to just find a whole car that is about one step away from rustical suicide and salvage that 350 and everything else you can use; then off the hulk to the crushers? Nieghbor of mine used to spend regular time cruising the back lanes just to see what could be found. Amzing what people hung onto.
Nick
Being outside the rust belt is both blessing, and curse.
We lose out on the drivetrain donors because people consider everything "restorable' and it gets worse because we have a large dose of the population that likes to throw big rims on everything, and, they like even the ugliest 4 doors of the era. A running, possible tired out, 350 isn't worth dropping $3k or $4k on a shell to get and then spend more on.
Used to be like you said up in new england though. We had no trouble scrounging up interesting bits. One time there was an old
impala, sitting on a car trailer, grown under a bunch of grape vines. The old bias plys were 4 inches in the dirt on the trailer. Eventually the guy said yes to selling it, and said, take the trailer too, all for a couple hundred bucks.
I've have seen dummies that already pulled out shiny looking 350s out of say, a GS they're doing a ls swap on and selling the original engine, but, then you haven't seen it run or tested out compression on it. And most of the time they don't want to let you, as if you're going to break something.
I'd be nice to find one BEFORE they pull the engine.