Serious Cam Oiling Question?

GTX JOHN said

I have not had an oiling problem with this set up
racing them in Stock/SS for 60+ years.
I do check alignment of holes and make sure
top end is oiling.

Is it still a challenge to get CWC cam cores?

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YES, It is a serious challenge to get cam blanks from any of the 3 suppliers. CWC is the foundry which makes ALL the castings for USA. There are 3 companies that further machine the castings, drill and tap the holes, hob the gears, and finish grind the journals, only leaving the lobes as cast.