“That’s ridiculous,” exclaimed Les Nimmo, bordering somewhere between a laugh and a grimace. It was the first thing he ever said to me, following my explanation of the problem at hand. For reasons not worth explaining, it was imperative that I find a way to mate an S550 Mustang hub and bearing to an SN95 Mustang spindle, some six years ago. Three other machine shops had said it just wasn’t going to work, and that I was better off finding an alternative. The .