RE: GP Super Stearman
Apalson,
I havn't checked lately but sheldons hobbies in San Jose had Enya 4 strokes on a closeout. The .91 was 189 and the pumped 120 was 299$
The both run well but the 120 has nearly 2x the power. the 91 is an older non pumped design. They are both still breaking in with @ 1 gallon thru each motor.