HV oil pump vs Stock oil pan

It "can" happen, but the small block Mopar is an engine it will never, ever happen to. Just look at the intake valley. There's no way in the world you'd pump the pan dry. Now, look at a Ford 351 Cleveland. Totally different story. If you're wondering, that is the front of the engine where the distributor is. This is in a mid engine Pantera. But nowhere for lots of oil to go very quickly.
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These guys put restrictors in to control flow to the top end.