My guess is either a wrist pin letting go or as you said a bad rod bearing. I had the crank ground and put in new rods and mains in about 20k ago so I am wondering if one of the Torque to yield bolts broke. Does anyone know if you have to use two sets of TTY bolts one to check rod and main clearences and then a new set when you torque it to put it back together after checking?
I can't tell if it did any damage to the piston so I'm just going to pull it apart and be safe rather than sorry. It doesn't appear that it had been repaired in the past (aluminum heads and block too).
This post was edited by 71ford100 at 12:45:39 01/20/13.
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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