If it's a gas engine, doing an inframe, I would go back with the old bolts and nuts. No locktite, just clean everything up, oil the threads, torque to specs.
When torquing, you will feel the bolt come into torque. If it continues to stretch, not come up to torque, or binds up before it pulls tight, there is a problem.
I've put many, many engines back with old bolts, never had a failure I could blame on a bad bolt. For a more serious, complete rebuild, or performance build, then the rods get reconditioned with new bolts. You don't take the bolts out once a rod has been reconditioned, it will change the shape (I tried it). So wouldn't the same apply to an old rod?
If there were a rod bearing failure, then the rod will need to be reconditioned. But then the crank will need to be corrected, so that rules out an inframe.
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Today's Featured Article - Trenching With a Plow - by Staff. Introduction: This interesting information came from one of the discussion forums here at YT. We thought we should place it up front so it could be read by anyone interested in putting old iron to work. [Editor] I tried something new today, and it worked so well I thought I should post it - in case it might help someone else. I'm running 100 yards of 4" drain pipe from the gutter downspouts of our house to a pond down the hill. This should hel
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