Hmmmmm,
Start with a good 302 block.
347 Short block with scat crank, connecting rods, etc. $1,800.00
347 long Block with top level heads, valve train, cam, carb etc. $3,700.00.
Complete engine with
oil pan etc. add another $500 -$600.
PM me for contact info and to inquire about a 331.
TR