What Should Rod Bearing Clearance Be?

What Should Rod Bearing Clearance Be? The factory specs include 2.450-inch main bearing journals and 2.100-inch rod journals, which means the target bearing clearance should be about 0.0024-inch (0.0025 is the common spec) on main bearings and 0.0021-inch on the rod bearings. How is bearing thickness measured? Remember, always measure bearing wall thickness at the