Cummins 4BT & Diesel Conversions Forums banner
General Discussion Sections

General Discussion

General Discussion for all diesel-related topics
90.1K 23.2M
  • 90.1K
  • 23.2M

Buildup Showcase Threads - All Engines, Vehicles

The place to display your diesel conversion project in progress or completed.
45K 17.5M
  • 45K
  • 17.5M

Performance Discussion

Performance increases, diesel racing, turbo modifications, etc.
26.3K 13.2M
  • 26.3K
  • 13.2M

Cummins Tech Section

Tech specifically for Cummins B series engines.
19.1K 5.9M
  • 19.1K
  • 5.9M

Common Rail

Discussion on common rail technologies
1.6K 834K
  • 1.6K
  • 834K

WVO / SVO / Biodiesel

Place for discussion for use of alternative fuels (vegetable oil -- & biodiesel )
2.1K 787K
  • 2.1K
  • 787K

Methanol / CNG / Propane Blending

Place for discussion for blending of Methanol/H2O, CNG or Propane Alternative Fuels into your diesel system
355 202K
  • 355
  • 202K

CNG Dedicated Engines

Technical discussion for dedicated CNG / LNG / Biogas Engines such as Cummins-Westport
88 70K
  • 88
  • 70K

Transmission, Adapter, Transfercase Discussion

Discussion of transmissions, transmission-adapting, and transfer cases for conversions
25.9K 10.8M
  • 25.9K
  • 10.8M

Paint and Body

Paint, Body, Other Misc Resto Discussion
814 425K
  • 814
  • 425K

Suspension Design

The place to talk about suspension design, implementation, discussion
1.2K 556K
  • 1.2K
  • 556K

Axles & Differentials

Ford 9", GM 14 Bolt, Toyota, etc...
3.4K 1.5M
  • 3.4K
  • 1.5M

General Modification Discussion (Non-Engine)

The place to discuss general modification of trucks, wheelers, cars, etc. Not specific to the diesel engine.
746 565K
  • 746
  • 565K

Diesel Motorcycles & Conversions

Diesel motorcycles and conversions of motorcycles to diesel.
415 295K
  • 415
  • 295K
Engine & Vehicle Specific Sections

Cummins 6BT / 5.9 Conversions

Discussion related to conversion of the Cummins 5.9 B series engines
17K 6.9M
  • 17K
  • 6.9M

Cummins B3.3, 6AT, & Cummins Variants -

Discussion related to other, rarer Cummins applications.
1.5K 943K
  • 1.5K
  • 943K

Isuzu 4BD1T/2T

Topics related to the great Isuzu 4BD1T and 2T engines & related
22.3K 7.7M
  • 22.3K
  • 7.7M

Mercedes OM617 & Variants

Forum for conversions with the Mercedes OM617 Inline 5 Indirect Inject Turbo Diesel from early 80's Mercedes Cars.
4.7K 2.3M
  • 4.7K
  • 2.3M

Mitsubishi Diesels

Discussion of Mitsubishi diesels and variants
491 314K
  • 491
  • 314K

Volkswagen Diesels

The famous Vee-Dub 1.9 TDI and IDI and other variants, 2.0, etc etc. Adapter talk, putting these into other vehicles, etc.
1.5K 800K
  • 1.5K
  • 800K

Toyota Diesels

Related to the Non-USA and Canadian/World Wide Toyota Diesels. 12H-T, 1HD-T, 3B, etc etc...
233 200K
  • 233
  • 200K

General Motors V8 Diesels

Duramax, GM 6.2 and 6.5 diesel swaps
995 529K
  • 995
  • 529K

Detroit, Perkins, Caterpillar

Conversations on Detroit, Perkins, Cat variants for the purposes of conversions & general discussion.
20.9K 7M
  • 20.9K
  • 7M

Deutz & Other Aircooled Diesels

Discussion of a wide variety of air-cooled diesel models
2.3K 1.1M
  • 2.3K
  • 1.1M

Ford Diesels

Ford 6.9, 7.3 idi, 7.3 Power Stroke, etc.
733 471K
  • 733
  • 471K

Cummins into Fords

The specifics of Cummins Conversions into Fords... All the small and big aspects of the conversion...
5.3K 2.1M
  • 5.3K
  • 2.1M

Other Engine Swaps

General conversions of all types of diesel engines
3.5K 2.1M
  • 3.5K
  • 2.1M
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.

Vendor Showcase

The best place for vendors to show off some of their stuff!
318 128K
  • 318
  • 128K

General Classifieds

Classifieds for All Motors, Parts, Etc
9.9K 884K
  • 9.9K
  • 884K

Vehicles For Sale

The place to sell complete cars or project vehicles
2K 306K
  • 2K
  • 306K

Want to Buy

For those things you need - NO FOR SALE ITEMS HERE NO TRADE ITEMS
7K 254K
  • 7K
  • 254K

Misc Stuff For Sale

For the selling of misc stuff not diesel conversion related
702 54K
  • 702
  • 54K
Vendor Member Section Supporting Vendors

Vendor Deals

31 11.9K
  • 31
  • 11.9K

216 99.3K
  • 216
  • 99.3K


33 18.7K
  • 33
  • 18.7K
Community Help Section

Community Help

Suggestions and/or problems with the site and forums?
1.7K 405K
  • 1.7K
  • 405K
Off Topic Section The positive place to discuss all sorts of things unrelated to diesel conversions.

Chit Chat

Chit chat is an info source for things unrelated to diesel conversions. Please refrain from flaming and personal attacks
5.3K 1.1M
  • 5.3K
  • 1.1M

Personal Introductions

The place to introduce yourself. Welcome to the board!
3.8K 868K
  • 3.8K
  • 868K

Trip Reports, Adventures - All Vehicles, Engines

Highlighting trips, events, road trips, off road trips, etc...
188 82.7K
  • 188
  • 82.7K

Show Off Other Car, Truck and Fab Projects

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.
1.3K 519K
  • 1.3K
  • 519K

Tool & Shop Talk!

Discussion of Tools and other shop-related info!
1.6K 555K
  • 1.6K
  • 555K

Regional Events & Get-Togethers

The place to have events and shoot the sh** with other members from the board.
696 231K
  • 696
  • 231K
Latest Posts See all new posts →
  1. 1964 Dodge W300 diesel & Axle swap

    Buildup Showcase Threads - All Engines, Vehicles
  2. My Classic Bronco build

    Cummins into Fords
  3. 4bt build

    Performance Discussion
  4. Flywheel removal

    General Discussion
See all new posts →