I’ve found that the “calculated clearance” and the “measured clearance”(bearings set into housing bore, torqued to proper spec, measured with a bore gauge that is set and zeroed to shaft diameter) often don’t agree with each other.
I use the “measured clearance” method.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123 Dealer for Comp Cams/Indy Heads