Yep, get it SUPER DUPER clean using engine degreaser and your local car wash you spray yourself. Once, it's clean, drive it for a day and the oil leak will be obvious. I'm betting a valve cover gasket...but check.

70 Roadrunner convt. street car 440+6, NOS, 4-spd, SS springs '96 Mustang GT convt. street car '04 4.6 SOHC, NOS, auto, lowered "Officer, that button is for short on-ramps"