Hmm, that doesn't get me any closer to a positive ID. The front end looks similar, but not the same as my early '70s Aeromaster. Again, any number of mods could have been made. I have a better view of the wing tips, and they do look like the Aeromaster.

Maybe someone else will have some thoughts. My best guess is still an Aeromaster, which was probably the most popular aerobatic bipe of that era, and still holds up well.

-Scott