Classic Volkswagen knowledge base

Keep your VWon the road

Trusted resources, practical guides and conversion planning for air-cooled and water-cooled Volkswagens.

Browse Resources Explore Swaps

WWater-CooledRabbit, Pickup, Jetta, Cabriolet and MK1–MK3 AAir-CooledBeetle, Bus, Karmann Ghia and classic platforms DVW DieselMechanical diesel, TDI and efficiency resources SSwapsDiesel and gasoline conversion planning GBuyer GuidesInspection checklists and purchasing guidance

Start here

VW Water-Cooled Resources

Build topics for Rabbit, Pickup/Caddy, Jetta, Passat, Cabriolet and MK1/MK2/MK3 platforms.

Explore all resources →

Featured guide

MK1 Rabbit & Pickup/Caddy

Buying, maintenance, restoration and build-planning information for Volkswagen’s first-generation water-cooled platform.

Open Guide

AHU

AHU Diesel Conversion

Donor selection, mounts, wiring, transmission, cooling, exhaust and fuel-system planning.

View guide →

AAZ

AAZ Diesel Conversion

Mechanical-diesel conversion planning with reliability, drivetrain and supporting-system considerations.

View guide →

Explore the garage

Popular Categories

VW Air-CooledBeetle, Bus and classic platforms VW Water-CooledRabbit through MK3 resources VW DieselMechanical diesel and TDI Engine SwapsDiesel and gasoline guides Technical ResourcesManuals, references and trusted links VideosWalkthroughs and project inspiration