Exactly! There's no reason to put a GO-300 in it, when there are STC's for O-300's, O-320's, and O-360's. I'll bet this one could be had for around $10K. No idea whether or not it is complete minus only the engine, and any avionics would likely be old (or missing). I posted it to illustrate the "Barn Finds" that are still out there.