At 09:27 PM 11/29/2012, Matt Nall wrote: > I wouldn't trust a 20-50 year old filter... Well, the oil filters that I have been using lately are a mere 46 years old... the boxes are marked "Corvair 1960-1966." I doubt that I'd put one on a race engine, but for the Rampside puttering around town I've had no issues.