Time: approximately 30 minutes (for one part: eg. door, trunk, etc.)
Some examples may not pertain to a Tri-5 Chevy, this is a general article on weatherstripping.
Tools: putty knife, utility knife
Cost: price varies depending on seals or number of seals
Tinware: new weatherstripping, weatherstripping adhesive, weatherstrip remover (aerosol can).
Tip: If you happen to break or lose a plastic retainer during installation, try using 3M weatherstrip adhesive in its place. The glue is super tacky and forms a lasting, watertight seal.
Performance gains: a quiet, weatherproof interior and trunk