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General Discussion

General Discussion for all diesel-related topics
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Buildup Showcase Threads - All Engines, Vehicles

The place to display your diesel conversion project in progress or completed.
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Performance Discussion

Performance increases, diesel racing, turbo modifications, etc.
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Cummins Tech Section

Tech specifically for Cummins B series engines.
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Common Rail

Discussion on common rail technologies
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WVO / SVO / Biodiesel

Place for discussion for use of alternative fuels (vegetable oil -- & biodiesel )
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Methanol / CNG / Propane Blending

Place for discussion for blending of Methanol/H2O, CNG or Propane Alternative Fuels into your diesel system
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CNG Dedicated Engines

Technical discussion for dedicated CNG / LNG / Biogas Engines such as Cummins-Westport
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Transmission, Adapter, Transfercase Discussion

Discussion of transmissions, transmission-adapting, and transfer cases for conversions
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Paint and Body

Paint, Body, Other Misc Resto Discussion
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Suspension Design

The place to talk about suspension design, implementation, discussion
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Axles & Differentials

Ford 9", GM 14 Bolt, Toyota, etc...
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General Modification Discussion (Non-Engine)

The place to discuss general modification of trucks, wheelers, cars, etc. Not specific to the diesel engine.
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Diesel Motorcycles & Conversions

Diesel motorcycles and conversions of motorcycles to diesel.
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Engine & Vehicle Specific Sections

Cummins 6BT / 5.9 Conversions

Discussion related to conversion of the Cummins 5.9 B series engines
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Cummins B3.3, 6AT, & Cummins Variants -

Discussion related to other, rarer Cummins applications.
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Isuzu 4BD1T/2T

Topics related to the great Isuzu 4BD1T and 2T engines & related
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Mercedes OM617 & Variants

Forum for conversions with the Mercedes OM617 Inline 5 Indirect Inject Turbo Diesel from early 80's Mercedes Cars.
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Mitsubishi Diesels

Discussion of Mitsubishi diesels and variants
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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.
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Toyota Diesels

Related to the Non-USA and Canadian/World Wide Toyota Diesels. 12H-T, 1HD-T, 3B, etc etc...
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General Motors V8 Diesels

Duramax, GM 6.2 and 6.5 diesel swaps
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Detroit, Perkins, Caterpillar

Conversations on Detroit, Perkins, Cat variants for the purposes of conversions & general discussion.
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Deutz & Other Aircooled Diesels

Discussion of a wide variety of air-cooled diesel models
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Ford Diesels

Ford 6.9, 7.3 idi, 7.3 Power Stroke, etc.
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Cummins into Fords

The specifics of Cummins Conversions into Fords... All the small and big aspects of the conversion...
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Other Engine Swaps

General conversions of all types of diesel engines
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Classifieds 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.

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Classifieds for All Motors, Parts, Etc
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Vehicles For Sale

The place to sell complete cars or project vehicles
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Want to Buy

For those things you need - NO FOR SALE ITEMS HERE NO TRADE ITEMS
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Misc Stuff For Sale

For the selling of misc stuff not diesel conversion related
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Regional

Regional Events & Get-Togethers

The place to have events and shoot the sh** with other members from the board.
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Latest Posts See all new posts
  1. General Discussion
    I have been repairing my 4bt stepvan for a decade piece by piece. I finally had money to do the big job and have the engine checked out,sealed,painted. New nv4500 and other mechanical work. Shop quoted me 20k. I paid 21. They tried to tell me 32k and 5k in sales tax. They also try to lie about...
  2. I am currently installing this package in 1990 Bronco with a 6 inch lift also installed. If anyone has any questions PLEASE ask.
  3. I don't know what the original 4BD1T AC compressor mounts look like, but I suspect they held the compressor solidly and ran a tensioner pulley. My engine hasn't had that for the last 30 or so years, the original engine conversion was in the early 90's and the Zexel R12 compressor was moved...
  4. Buildup Showcase Threads - All Engines, Vehicles
    This is just a tease. The actual work will begin in January 2020. Had the Ppump 4BT for several years, finely got around to the initial start up, it lives! Pulling the gas motor, the real work begins Start up after priming Sick Cummins? Engine cleanup after inframe rebuild Air filter
  5. Cummins Tech Section
    Hey guys, I have an '89 F350 with a stock '89 Cummins 6bt engine. I swapped it about 6 years ago and noticed its getting a lot harder to start. It tries to start quickly and dies but usually takes a couple tries before its running. After it starts it shakes pretty bad, runs rough, and sounds...
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