So ,the main bore of the block gets larger when hot, wouldn't the best way to set the clearance is by align hone the main bores tighter when cold ??

1968 Charger COLD A/C Hilborn EFI
512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim
2020 T/A 392 Stock 11.79 @ 114.5