We're sick of building small-block Chevys. Not that we don't like them—we're just worn out from finding cores, digging up parts, paying for machine work, and wrenching through four midnights each time ...

Go to build a big-block Chevy these days and you'll cough up something like $250-$500 just for a block core. Sounds cheap compared to the $1,900-$2,900 you can spend on an aftermarket block, but for ...