Question on oil passages in crankshaft......
Starting reassembly of the NAA's engine. Found some rust in oil holes on crankshaft journals, but can't tell if they go anywhere? Old crank holes bottom out also, can't tell if there is a passage to the inside of the crank or not.
Are these oil passages or just holes to collect and distribute oil around the bearing?
Machine shop acquired a used crank to turn for me since my crank wasn't serviceable. They said it had a bit of rust on it when they got it, I'd say I guess so. 😕
So what do the holes do and do they go anywhere? TIA.
Starting reassembly of the NAA's engine. Found some rust in oil holes on crankshaft journals, but can't tell if they go anywhere? Old crank holes bottom out also, can't tell if there is a passage to the inside of the crank or not.
Are these oil passages or just holes to collect and distribute oil around the bearing?
Machine shop acquired a used crank to turn for me since my crank wasn't serviceable. They said it had a bit of rust on it when they got it, I'd say I guess so. 😕
So what do the holes do and do they go anywhere? TIA.