This is my current setup using a '85 318 block and 302 heads. Great mpg's and power through the rpm's.
Block bored .030 over, decked, stock rods and crank, .010 under, balanced
ARP rod and head bolts
TRW-8k285ncp30 pistons for about 9.5:1 comp
Heads are stock 302's with a good valve job...