Dropped set screw into IMS bearing flange hole

[Jamesp]

I really did not consider magnetizing the engine parts in my suggestion. Jake is, not surprisingly, right that ferrous metal may remain slightly magnetized after exposure to a DC magnetic field. I once saw an edit in a repair manual that struck using magnets for removing lifters, presumably for this reason. The question to me is if you are working on your own, not a customers engine is this a risk worth taking? The magnetic field in this case is a long way from the IMSB with lots of ferrous metal between it and the bearing so magnetizing that seems remote. It's reasonable to imagine a link or two in the drive chain may pick up a little residual magnetism, but then again, all ferrous metal has a little. Me personally, on my engine, if I could get the screw out with magnets I'd swallow the risk of magnetizing a part in the engine and jump on getting the screw out.