Manuals

For anyone trying to understand, maintain, or simply appreciate older vehicles, this Manuals subcategory brings together a useful mix of practical know-how and historical reference. GMT400 is the hands-on community stop here, focused on GM’s 1988–1998 C/K trucks, Suburbans, Tahoes, and related OBS-era builds. It’s the kind of place where maintenance questions, drivetrain issues, suspension setups, towing, off-road modifications, interiors, electronics, bodywork, and project build threads all live side by side.

The archival side is covered by The Old Car Manual Project and its Old Car Brochures collection, which preserve digitized automotive documents for older cars, trucks, engines, and components. You’ll find service manuals, chassis and carburetor references, model specifications, brochures, press photos, period advertising, and vintage literature organized for historical and educational use. Together, these listings make the subcategory especially helpful if you’re researching a classic vehicle, tracking down period-correct details, or just enjoying the paper trail left behind by decades of automotive history.