Stephen N Mills wrote:

Costs: Our A&P has recommended three engine shops: America's Aircraft
(OK), Airmark Engines (FL), and Graham Engines (GA). I have talked to
all three. Each advised cam replacement, not major overhaul.

I would pay attention to them. I think your A&P is going a bit overboard.

George Patterson
Why do men's hearts beat faster, knees get weak, throats become dry,
and they think irrationally when a woman wears leather clothing?
Because she smells like a new truck.