That does sound like an aluminum timing gear. While it likely hasn't done too much harm to drive it till now, you're gonna find yourself stranded one day soon, and with considerably more aluminum debris in your oil when that happens.
Aluminum timing gear in a 60 === VERY VERY RARE & highly unlikely.That does sound like an aluminum timing gear. While it likely hasn't done too much harm to drive it till now, you're gonna find yourself stranded one day soon, and with considerably more aluminum debris in your oil when that happens.