WHAT TYPE OF OIL??

66fs said
You need zinc for the cam and tappets. I have 300,000 on a 273 with conventional oil, Valvoline racing 20w50, changes every 3,000 miles. Still runs like new. How long do you want your engine to last?

For me, even if I end up selling the car, I want the engine to last the life of the body!
That's just how I fly.