if your last motor died from a spun bearing to, then there is a massive chance, as in its most likly, that your stock crank and block had some material stripped off it,
so if this wasnt machined then that can kill the new motor, and then on top of this, when it was machine to fix it, or if it had been done in the past, then the clearances will be diffrent
, so the stock numbers on the crank and block will be wrong,
as said above, use plasti gauge to cheak them when you assemble a motor, you put a strip of this stuff sort of similar to blue tack across the crank, then tourqe the cap down, then remove the cap, and there is a gauge on the plasti gauge pack that shows the clearance size based on how far the pastigauge spred.