Harmonic balancer bolt
#3
Eric, I learned from this thread that some of the 1965 cranks used the small bolt. To be safe, can the OP post a picture of the end of the crankshaft? The size difference should be easy to see. John
https://classicoldsmobile.com/forums...425-crank.html
https://classicoldsmobile.com/forums...425-crank.html
#5
I don't know if the OP got the bolt they needed or not. But here's a picture for reference, they are both 330 cranks and the right hand one shows the smaller bolt hole than the more common larger one on the left.
DSCN7818.jpg
DSCN7818.jpg
#12
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