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Has anyone considered that the "unfinished" rod journal lightening hole might be done that way to set the max. designed bobweight? If they'd punched that hole all the way through then they'd have to go back and take material off the counterweights to compensate. Am I wrong here? Let me know.
Cory


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Unfinished rod journal.-1







I feel your wrong for the following reasons,the crank stamped bobweight is heavier than the actual bobweight,so the crank needed to be lightened anyway,the hole was much smaller to begin with and the metal was peeled of surrounding the hole with a machinist pick,It
could have easily enlarged itself under use(it was very thin)and found its way to the oil system and the all inclusive"most all internal balancing is done at the crank counter weights.So unless there is a new method of balancing That I'am not aware off,I have to kindly disagree.If I'am wrong I apologise.