Worked on canopy braces. Completed drilling of center brace. Deburred, primed and pop riveted brace to canopy frame. Drilled pilots side brace to frame and removed for deburring.Installed engine mount. Added shims to lower middle attach points. Torgued all nuts and added cotter pins. Completed attachment of forward cabin ribs to firewall (drilled deburred dimpled and riveted). Drilled and attached manifold. Attached oil pressure line to manifold. Attached gascolator line to gascolator.