New guy from Cali with oil pan fitment woes

Welcome from Santa Rosa.

have you considered any of these?
Mopar K-Members | Mopar A-Body, B-Body & E-Body K-Member | QA1 Suspension Components
GTS Front Suspension | Gerst Tubular Suspensions
HemiDenny
Reilly MotorSports, Inc.
Suspensions for GM AMC Mopar and Ford Muscle Cars
Magnum Force Transformer Mopar Suspension