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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.

General Classifieds

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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Vendor Member Section Want to Grow Your Business? Learn more about becoming a Supporting or Premium Vendor

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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. Over the years I've built up some calculation spreadsheets to predict engine power and torque from air consumption, boost and efficiency (BSFC). I've had other spreadsheets to predict engine airflow from boost, volumetric efficiency and intercooling. I had a burst of productivity last night...
      470 replies   235K views
  2. Proper size air cleaner may be installed in somewhat unused space in right side fender behind headlight allowing room for tire to clear. Pictures show air cleaner, upside down for picture, view across engine showing clearance, view upwards showing mounted air cleaner with tire clearance...
      2 replies   111 views
  3. Does anyone here run one of these common rail 3.9 engines? I've been trying to find the cummins brochure like they have on their website for all of the new fancy dancy engines, but I can't find one for the ISB170. It would me much appriciated if someone could post a link if you can find it. I...
      45 replies   42K views
  4. Welcome to my thread here I'll be posting my journey walking through my 2006 New Holland L185 Cummins B3.3 Engine swap, I hope this helps someone out, enjoy!
      8 replies   875 views
  5. I'm curious how everyone sizes their turbos? What do I need to know to properly size a single turbo, twins, or compounds. I know for single it's easy enough to just get factory turbo spec and size up but I'd like to know the math or calculations required to see how turbos are properly sized...
      22 replies   2K views
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