why are you flying a cap like a pattern plane in the first place?
if you want to fly full throttle, get the correct plane for it!

these types of aerobatic planes...... cap/Giles/edge/extra/etc.

are designed to be light/fragile and flown at scale speeds with lots of power/torque to muscle them through maneuvers at a relatively slow Pace.....if you use these high power/torque engines to go as fast as possible, the plane will break apart......you have the wrong plane for your style of flying.