Welcome to the Nostalgic Motor Cars Technical Library. For nearly 50 years, my only full-time job has been the service and preservation of 1963-1985 Avantis. These articles are compiled from my personal experience and original Studebaker factory blueprints to help you maintain the safety, value, and authenticity of your car.
Permanent Solution: Eliminating Leaky Avanti Sunroofs with an NOS Roof Skin
Are you tired of the "decades of neglect" and water damage caused by a leaking factory sunroof or moonroof? For many 1971–1985 Avantis, the original steel housings have rusted or separated from the fiberglass, making traditional re-bonding nearly impossible.
In this masterclass restoration guide, Dan Booth details the definitive way to solve the problem for good: deleting the opening entirely by installing a New Original Stock (NOS) Roof Skin #1350250.
Critical Safety Alert: Why 1984-1985 Avanti Front Wheels Can Fail
If you own or drive a 1984 or 1985 Avanti, your front wheels could be at risk of coming off while driving. Specialist Dan Booth reveals the hidden history of a dangerous factory oversight involving the one-inch aluminum wheel spacers used during the Stephen Blake production era.
Strengthening the Avanti Seat Mounts: Inner Rear Nut Plate Repair
Does your Avanti’s front seat feel loose or "bouncy"? A common failure point on all 1963–1985 Avantis is the inner rear seat track mounting nut plate, which can break its bond with the fiberglass floor pan over time
Avanti Provenance: Understanding Build Sheets, Dealer Invoices, and Born Reports
How was your Avanti "born"? For over 35 years, owners have turned to Nostalgic Motor Cars to uncover the factory DNA of their vehicles. In 1984, Dan Booth acquired the exclusive rights and original factory archives for all 1963–1985 Studebaker Avanti and Avanti II production records.