I would think the Poulan would be to big and heavy for this size of plane. They are calling for a 91 four stoke motor.

http://www.hobbypartz.com/72p-fs91ar.html

You might be able to cram it in there, but I think just the weight difference would be a problem.

Here they are using this 26cc for planes from 1.20 to 1.60 and the mustang is for a 60 to 90.

http://www.hobbypartz.com/crrcpro-gp26r-engine.html


Buzz.