Not being mean but this is exactly the sort of mistake that auto/equipment mechanics make when they think their skills translate directly to bicycles. Several of us here have considerable experience with cars, trucks, motorcycles, but I don't think any of them would claim that helps much with bicycles. Does my experience welding car bodies transfer to my ability as a bicycle frame builder? They both have "too hot" as an important factor, but beyond that they use different processes, different materials ...