Cummins 4BT & Diesel Conversions Forums banner
General Discussion Sections

General Discussion

General Discussion for all diesel-related topics
89.5K 22.5M
  • 89.5K
  • 22.5M

Buildup Showcase Threads - All Engines, Vehicles

The place to display your diesel conversion project in progress or completed.
44.7K 17.2M
  • 44.7K
  • 17.2M

Performance Discussion

Performance increases, diesel racing, turbo modifications, etc.
26.3K 13M
  • 26.3K
  • 13M

Cummins Tech Section

Tech specifically for Cummins B series engines.
19K 5.7M
  • 19K
  • 5.7M

Common Rail

Discussion on common rail technologies
1.6K 811K
  • 1.6K
  • 811K

WVO / SVO / Biodiesel

Place for discussion for use of alternative fuels (vegetable oil -- & biodiesel )
2.1K 773K
  • 2.1K
  • 773K

Methanol / CNG / Propane Blending

Place for discussion for blending of Methanol/H2O, CNG or Propane Alternative Fuels into your diesel system
355 198K
  • 355
  • 198K

CNG Dedicated Engines

Technical discussion for dedicated CNG / LNG / Biogas Engines such as Cummins-Westport
88 68.8K
  • 88
  • 68.8K

Transmission, Adapter, Transfercase Discussion

Discussion of transmissions, transmission-adapting, and transfer cases for conversions
25.7K 10.5M
  • 25.7K
  • 10.5M

Paint and Body

Paint, Body, Other Misc Resto Discussion
814 416K
  • 814
  • 416K

Suspension Design

The place to talk about suspension design, implementation, discussion
1.2K 545K
  • 1.2K
  • 545K

Axles & Differentials

Ford 9", GM 14 Bolt, Toyota, etc...
3.4K 1.4M
  • 3.4K
  • 1.4M

General Modification Discussion (Non-Engine)

The place to discuss general modification of trucks, wheelers, cars, etc. Not specific to the diesel engine.
746 556K
  • 746
  • 556K

Diesel Motorcycles & Conversions

Diesel motorcycles and conversions of motorcycles to diesel.
415 290K
  • 415
  • 290K
Engine & Vehicle Specific Sections

Cummins 6BT / 5.9 Conversions

Discussion related to conversion of the Cummins 5.9 B series engines
17K 6.8M
  • 17K
  • 6.8M

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

Discussion related to other, rarer Cummins applications.
1.5K 919K
  • 1.5K
  • 919K

Isuzu 4BD1T/2T

Topics related to the great Isuzu 4BD1T and 2T engines & related
22.2K 7.5M
  • 22.2K
  • 7.5M

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
489 305K
  • 489
  • 305K

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 771K
  • 1.5K
  • 771K

Toyota Diesels

Related to the Non-USA and Canadian/World Wide Toyota Diesels. 12H-T, 1HD-T, 3B, etc etc...
229 193K
  • 229
  • 193K

General Motors V8 Diesels

Duramax, GM 6.2 and 6.5 diesel swaps
995 518K
  • 995
  • 518K

Detroit, Perkins, Caterpillar

Conversations on Detroit, Perkins, Cat variants for the purposes of conversions & general discussion.
20.8K 6.9M
  • 20.8K
  • 6.9M

Deutz & Other Aircooled Diesels

Discussion of a wide variety of air-cooled diesel models
2.3K 1M
  • 2.3K
  • 1M

Ford Diesels

Ford 6.9, 7.3 idi, 7.3 Power Stroke, etc.
715 462K
  • 715
  • 462K

Cummins into Fords

The specifics of Cummins Conversions into Fords... All the small and big aspects of the conversion...
5.2K 2M
  • 5.2K
  • 2M

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 126K
  • 318
  • 126K

General Classifieds

Classifieds for All Motors, Parts, Etc
9.8K 832K
  • 9.8K
  • 832K

Vehicles For Sale

The place to sell complete cars or project vehicles
2K 290K
  • 2K
  • 290K

Want to Buy

For those things you need - NO FOR SALE ITEMS HERE NO TRADE ITEMS
7K 219K
  • 7K
  • 219K

Misc Stuff For Sale

For the selling of misc stuff not diesel conversion related
693 48.7K
  • 693
  • 48.7K
Vendor Member Section 4btswaps.com Supporting Vendors

Vendor Deals

31 10.2K
  • 31
  • 10.2K

CariD.com

204 91.7K
  • 204
  • 91.7K

RockAuto

32 16.8K
  • 32
  • 16.8K
Community Help Section

Community Help

Suggestions and/or problems with the 4BTswaps.com site and forums?
1.7K 392K
  • 1.7K
  • 392K
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 846K
  • 3.8K
  • 846K

Trip Reports, Adventures - All Vehicles, Engines

Highlighting trips, events, road trips, off road trips, etc...
188 80.9K
  • 188
  • 80.9K

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 510K
  • 1.3K
  • 510K

Tool & Shop Talk!

Discussion of Tools and other shop-related info!
1.6K 545K
  • 1.6K
  • 545K
Regional

Regional Events & Get-Togethers

The place to have events and shoot the sh** with other members from the board.
696 227K
  • 696
  • 227K
Latest Posts See all new posts →

  1. QSB4.5-30 mechanical conversion?

    Cummins Tech Section

  2. 1969 Ford Bronco 4bd1t

    Buildup Showcase Threads - All Engines, Vehicles

  3. Kubota V2203DI governor spring

    Performance Discussion

  5. 4bd1t adapter to 4bt/6bt automatic transmission

    Isuzu 4BD1T/2T

  6. Detroit 4-53T into 2009 Ford F350 with 5R110

    Buildup Showcase Threads - All Engines, Vehicles
See all new posts →
Cummins 4BT & Diesel Conversions Forums Since 2007 A forum community dedicated to Cummins 4BT Diesel owners and enthusiasts. Come join the discussion about performance, modifications, troubleshooting, engine swaps, transfer cases, and more!
350.5K posts
45.1K members
Join Community

Community Staff

View All
D
BobS
4BTswaps.com

Top Contributors this Month

View All
C
T
MaxPF
Popular Communities
Community avatar for Home Entertainment
Home Entertainment
1,280,000+ members
Join
Community avatar for Mountain Bike Reviews
Mountain Bike Reviews
450,000+ members
Join
Top