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  1. General Discussion
    Greetings fellow Gearheads!:grinpimp: I'm Mike and I'm new to your forum. I recently started working with John Clifford at Big Bear Engine Co - (4btengines) but have been in the automotive and diesel industry since about 1992. Most of my career has been working in distributor and dealer...
  2. General Discussion
    Got a 72 4x4 stepvan conversion with a 79 351M on F350 in Monroe NC, and overheated and crapped within 100 miles. Van is now in Guntersville AL and we need to desperatly get this beast running. Any suggestions on who can assist or take over the project and get her on the road? What kind of info...
  3. General Classifieds
    I've got a 95 12V in a 81 Passenger School bus. I bought it to make a camper or part out. I've decided to part out. The bus has 73K miles /5200 hours on the engine. Runs strong and shifts strong. Just putting out feelers for offers. Since classified require a price 2800 OBO. PM a number...
  4. Buildup Showcase Threads - All Engines, Vehicles
    Hey guys, I promised that I would do a thread about my F100 build so here's my start for it. I'm not going to have a lot of pictures for it today but after Christmas break I should have a bunch of pictures and you guys will understand why in a little bit. Here's a little background on the...
  5. Isuzu 4BD1T/2T
    Can a 6HE1 flywheel housing can fit a 4HE1?
  6. General Classifieds
    I picked up a tranny I do not need with another one that I did need. Its an A518 4x4. It does NOT have the valve body in it. Otherwise it is complete. The OD section looks perfect. I did not tear down the front half, but will if you want me to send you some pics. It would be perfect for an...
  7. Vendor Showcase
    Jonesy’s Inc. is an award winning custom automotive restoration and fabrication business located in Ridgefield, WA USA. Our primary business is custom auto restoration and fabrication. We do diesel conversions too and are interested in speaking with you about your diesel conversion project. Our...
  8. General Discussion
    "this is my view for clearance" i can always route the intercooler pipe different if the cummins alt and bracket get in the way my 4bt first snapped the alternator bracket bolt, i replaced it, about a month went by and it snapped the bracket. My set is out of a chevy bread van so i have the...
  9. General Discussion
    I am interested converting the Cummins ISF 3.8 into a marine engine. The ISF 3.8 is a 3.8 liter diesel engine made by Cummins in China which is widely available everywhere in the world BUT the USA. The brochure for the engine can be found by Googling 4951315.pdf If there is anybody who can...
  10. General Discussion
    This is my first project i want to do. But I have no idea what i need to get to drop in a 4BT into a 1998 Ram 1500 with either a 318 or 360. What do i need to do and get in order to do this swap? Things I already know: Stiffer front leaf springs New tachometer marked for 2500 RPM red line new...
  11. Transmission, Adapter, Transfercase Discussion
    Hi All, After having installed a Fuller FSO6406A as a replacment transmission for my failed NV5600 in Jan 2008 I wanted to give an update. Still no issues with the Fuller after 30,000 ++++ miles. My Dodge 3500 was a 4 X 4, however there were no adapters available to couple the transmission...
  12. Transmission, Adapter, Transfercase Discussion
    im planing on putting a 4bt into a 1986 dodge w150 that has the rather bathetic 318. The small block tf727 will not be able to bolt up to the cummins so i would need to swap out trannies for the diesel model. This would be more swapping then i would really want to do. So i was wondering if...
  13. General Discussion
    Does anyone know of a place that sells conversion parts to swap a Cummins 4BT into a Jeep Wrangler TJ? I am in the process of purchasing a bread truck with the 3.9 Cummins and I will soon be needing all the custom conversion parts (motor mounts, etc.) for the swap. Any info (websites, prices...
  14. Other Engine Swaps
    My 2001 Jeep Grand Cherokee 3.1TD has blown its engine for the 3de time. According to my research on the web the 3.1TD was the worst engine ever manufactured and was soon replaced by the MB 2.7 CRD. I'm from South Africa and apparently the diesel model Jeep with the VM 3.1 diesel was only for...
  15. General Discussion
    I've found a 4BT for sale that I want to go look. From talking to the guy it's a P-pumped engine and is set up for the air-air aftercooler, which I don't have room to run in my Power Wagon. Can this be converted to a JWAC? What would I need (beside the obvious JWAC intake) and what kind of...
  16. Cummins 6BT / 5.9 Conversions
    does a cummins engine bolt up to a gas transmission ? or would I have to get another transmission? whats the best engine to go with in this conversion a 12 valve or a 24 valve?
  17. Detroit, Perkins, Caterpillar
    Hi, I am in the U.K. and have had a jeep (1999) for some years, an old friend told me that after WWII it was common to convert engines from petrol to diesel getting greater MPG and Horses he mentioned two engines a detroit v8/v6 diesel (2 stroke), or 3 cyclinder straight. Does anyone know if...
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