Connecting Rod Basic Dimension?

Dietmar

Newbie
Hello, I am restoring my 248 straight eight motor, now the original bearings have to be drilled out of the connecting rod to insert new bearing shells! Can anyone tell me the measure with which I have to drill out the connecting rod?
Thanks Dietmar
 
I can't believe I don't have the big end diameter written down. I resized a set of 263 con rods a few years ago, and found a specification somewhere. Right now, I feel I must have taken it from the "Specifications" chart in the list above, but I don't have a rod available to confirm it. If you planning on upgrading a set of babbit rods, you will have to figure a way to cut the locating groove in the rods too.
 
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