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Discussion Starter · #1 ·
Was looking for any info if anyone has ran into this. Purchased a set of Billet Boundary Oil Pump Gears, went to install yesterday and was testing fitment. Found the inner pump gear to fit loosely on the crankshaft. Big difference compared to how the factory gears fit. I have a video to go along. Anyone ran into this and is this normal? I don't feel comfortable running these gears now it doesn't feel right at all. Any information is appreciated, thanks.
 

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Discussion Starter · #3 ·
Did you ask the manufacturer?
Yes I’m just going to run them lol, apparently it’s normal and made to have a little slack to prevent gears from seizing up. Just felt concerning compared to how snug stock gear fit. There gears have been in production for a while though so I trust them and what they have to say. It would be interesting to see how the DCR pump gears fit up on the crank.
 
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