The Automotive Directory Featured Sites Used Cars Used car listings and dealerships across the country, as well as informative articles for the used car buyer and seller. Listings Advance Adapters - 4WD aftermarket transmission and engine conversion products. Custom Craft Vehicles - custom vans, automobiles, trucks, campers. CustomVan.com - distributor of accessories and supplies from conversion manufacturers. JTR V-8 Conversion Manuals - publishes step-by-step V-8 conversion manuals containing details and advice from years of experience. Manuals available: Jaguar, Datsun Z, Chevrolet S-10, Chevy TPI & TBI engine swaps, Volvo.