I will start with a safety note for all not sure if it applies in this case because you did not say if the prop was turning. Don't pump the throttle...
NOS parts are usually worth a lot more than the used stuff espically ribs!! Go to aircraft spruce and look up what prices are for spars and anything...
Aircraft are certified to fly within certain parameters. Stay within them and trim for hands off flight and most all fly just fine especially with a...