A Zenoah G62, can be lightened by RCIGN1 with Electronic ignition. Makes it incredibly easy to start, they are bulletproof, have a long history, readily available service and parts....etc. And they can be had for half of a new 3W 80xi. They can use a flat plate mount on the rear case, which can make them incredibly short for full in cowl installations. RCIGN1 can also make a custom prop hub, to the length you need for firewall to thrust washer measurement.
I own a 3w80xi as well, and if it would fit in the cowl, I would have a hard time NOT installing it
