Driving and enjoying is the payback. Just don't go broke in the process, formulate a plan and budget, and add 50% for what you missed. Anything left over is a bonus for the gas tank and insurance.
Converting from standard to custom interior requires replacing all the window regulators with either custom regulators or power regulators, switches, and harnesses.
Vikki 1969 Goldenrod Yellow / black 400 convertible numbers matching