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SBC oil pump shaft

1K views 5 replies 5 participants last post by  fast68 
#1 ·
I have a hardened oil pump shaft. It doesn't seem to have a capture feature to hold it on the oil pump. (Stock has a plastic widget.) There is a groove in the oil pump shaft that looks like it could be for an oring. There's no chance it could come off the pump because the collar is larger than the distributor bore in the block. Do I need an oring, or can I just put the pump in?
 
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