Renew yourself with the summit, enjoy that gun, then little by little work on the fury.
Just a few items that weren't posted, so bear with:(good stuff here)Also look in the "GTA Mall" for Gene's "AirgunToyz" site, for the bushings,washers, and parts for Crosmans . Might find parts for you there.
I'd get the brass washers installed first. If it closes up tight, you should be good. Brass is better than raw steel in moisture.