Using Synthetic Oil in Classics

Discussion in 'Classic Mustang Specific Tech' started by 65and68Stang, Aug 6, 2003.

  1. OK, I'll help you out. What you are saying is correct. Lot's of old wive's tail rumors floating around out there. The only way it can make an otherwise non-leak, is if it is a higher detergent and it somehow scrubs gunk away inside the motor where this gunk was acting like a stop leak. There you go,