Yes.
If it's a 350 from a Chevy, yes.
yes
YES, That is no problem, it will bolt right up.
350 and under are small blocks. There is also a 400 small block but there is a 400 large block. 396 and up are big blocks.
Yes.
350, to 400 lbs.
They dont make a 350 big block.The big block starts at 400. Wrong! 400 is still a smallblock. Big block Chevys start at 396, but does not include the 400, which the heads/crank and starter/etc. fit on the 350/305 etc.
400, about.
It's a .060" over 350 with a 400 crank
Dextron.
350 heads will bolt to the 400 block. They will need to be drilled for the "steam ports" in the 400 block.
400 block, with a 350 crankshaft. 383 cid.