Originally posted by Big Jim:
It has been many years since I had any balancing done, but matching the pistons for equal weight was the first part of the balancing project. Usually the rings were left alone since they felt that there would not be enough difference to worry about. But they did match the pistons and rods before actually assembling the pistons and rods together. The wrist pins were weighed with the pistons.




True, they did ask if the pistons and rods were matched to (within a fraction of a gram) each other, which mine were. All I had to do was bring one rod/piston assembly, they weighed it, mounted the bare crank in their machine, spun it, and the machine told them how much and were to take the weight off of (or put in mallory weight to) the crank.


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