MrBuffet Pete I see no problem with eithr motor at .020 over in the cylinder bores. If the Sleeves where installed right, the engine will last a life time and not leak or crack the block. You might be able to buy a set of .017" over pistons and get 2 rebuilds or more out of the block.
Crossdrilled cranks, You need to talk to one or all of these guys, Gessford Machine, Keith Craft Racing, or Barry R. at SurvivalMotor sports. The problem is a crossdrill crank uses about 20-30% more
oil and kill pressure at idle. My understanding is that it's a race crank for high rpms and a poor street crank. If this is going to be a street motor with iron heads, 9.7 compression is safety max with out octane booster unless you have E-85 in your area. I was going to used a crossdrill crank in my 428 block and found that the oiling of the block would cause low pressure and volumne to the top end. Also a 100# spring and HVHP
oil pump and a 6.5- 7 quart
oil pan is a must.
Your rods are heavier than most for the street. I ran a set of eagle rods for 8 years of racing. ARP bolts in them, not the ones that came with them. No failures. Limiting the rpms to 6,000 and a max of 6,200 has alot to do with this.
There is alot more, I have to go to work. PLEASE do some home work before you deceide on what direction you go. There are some nice stroker kits out there with BBC rods that work. Running an iron motor will add about 100 pounds over and Aluminum motor with intake and heads. You can also go to a high compression with Aluminum heads. 10.5 is safe. Biuld a torque motor and don't worry about HP, It's a by product
Rick L.