General Discussion Sections
General Discussion for all diesel-related topics
The place to display your diesel conversion project in progress or completed.
Performance increases, diesel racing, turbo modifications, etc.
Tech specifically for Cummins B series engines.
Discussion on common rail technologies
Place for discussion for use of alternative fuels (vegetable oil -- & biodiesel )
Place for discussion for blending of Methanol/H2O, CNG or Propane Alternative Fuels into your diesel system
Technical discussion for dedicated CNG / LNG / Biogas Engines such as Cummins-Westport
Discussion of transmissions, transmission-adapting, and transfer cases for conversions
Paint, Body, Other Misc Resto Discussion
The place to talk about suspension design, implementation, discussion
Ford 9", GM 14 Bolt, Toyota, etc...
The place to discuss general modification of trucks, wheelers, cars, etc. Not specific to the diesel engine.
Diesel motorcycles and conversions of motorcycles to diesel.
Engine & Vehicle Specific Sections
Discussion related to conversion of the Cummins 5.9 B series engines
Discussion related to other, rarer Cummins applications.
Topics related to the great Isuzu 4BD1T and 2T engines & related
Forum for conversions with the Mercedes OM617 Inline 5 Indirect Inject Turbo Diesel from early 80's Mercedes Cars.
Discussion of Mitsubishi diesels and variants
The famous Vee-Dub 1.9 TDI and IDI and other variants, 2.0, etc etc. Adapter talk, putting these into other vehicles, etc.
Related to the Non-USA and Canadian/World Wide Toyota Diesels. 12H-T, 1HD-T, 3B, etc etc...
Duramax, GM 6.2 and 6.5 diesel swaps
Conversations on Detroit, Perkins, Cat variants for the purposes of conversions & general discussion.
Discussion of a wide variety of air-cooled diesel models
Ford 6.9, 7.3 idi, 7.3 Power Stroke, etc.
The specifics of Cummins Conversions into Fords... All the small and big aspects of the conversion...
General conversions of all types of diesel engines
Classifieds & Vendor Showcase Classifieds are open to users who have been members for more than 20 days and have at least 10 contributing posts. The "Want to buy" section is open to all users.
The best place for vendors to show off some of their stuff!
Classifieds for All Motors, Parts, Etc
The place to sell complete cars or project vehicles
For those things you need - NO FOR SALE ITEMS HERE NO TRADE ITEMS
For the selling of misc stuff not diesel conversion related
Community Help Section
Suggestions and/or problems with the 4BTswaps.com site and forums?
Off Topic Section The positive place to discuss all sorts of things unrelated to diesel conversions.
Chit chat is an info source for things unrelated to diesel conversions. Please refrain from flaming and personal attacks
The place to introduce yourself. Welcome to the board!
Highlighting trips, events, road trips, off road trips, etc...
The place to show off some of the other sweet stuff that you build or work on, unrelated to diesels or diesel conversions. Old muscle cars, fab projects, etc.
Discussion of Tools and other shop-related info!
The place to have events and shoot the sh** with other members from the board.
Latest Posts See all new posts →
Transmission, Adapter, Transfercase Discussion
Detroit, Perkins, Caterpillar
Buildup Showcase Threads - All Engines, Vehicles