I did not know the main bearing bolts were different diameters, but I've always kept them with their cap.

However, the torque spec for main bearings in the service manual is the same for all bolts, 100-110 FT-LB. No differentiation between front and intermediate caps and the rear main cap with the smaller bolts.

Kevin
1951 Chevy 3100 work truck
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1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
Busting rust since the mid-60's
If you're smart enough to take it apart, you darn well better be smart enough to put it back together.