On a potentially related note, the build sheet indicates a "high volume standard pressure" oil pump. My oil pressure gauge sits at 70ish psi when cold idling and drops to 50ish when the motor is warm, which is a lot higher than it used to. Is it possible that excess oil pressure caused the leak?
--'94 Caprice "SS" wagon, NO LONGER FOR SALE!
--'96 Roadmaster wagon, SOLD!
--'04 Mustang Cobra, '08 BMW M5
--1125R, 1050, VMax, VFR800, DRZ-400E