For example, an 0-360 A4M (which is what I fly) is the same as an A1A except it has a solid crankshaft, Slick magnetos, and long bushings in the prop flange. This engine was originally built for, and can now be found in Piper Archer IIs and Valmet PIK-23s.

This guide can be a real time saver if you are in the market for a used engine.

Feel free to call or e-mail (bookstore@lancaironline.net) if you just need 1 or 2 quick references, however, if you think you'll want it as a long term reference, here it is.