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Old Feb 17, 2010 | 08:19 PM
  #1  
73FordF100's Avatar
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Bronco Diesel?

Has anybody ever seen a Bronco diesel or ever thought about doing one? I know its terribly wrong to do something like this but it could be very different. If anybody has any pics or info it would be greatly appreciated because I think it could be pretty cool.
 
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Old Feb 17, 2010 | 09:38 PM
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Search YouTube.com There are several videos with the Cummins 4BT. Would be a conversation piece but very loud.
 
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Old Feb 18, 2010 | 06:45 AM
  #3  
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I seen one in eastern Va when I bought some parts from a guy and there are a few over on Classicbroncos.com. Search for "Pappit" his is about finished. Definatley fills up the engine bay. Both are 4BT's
 
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Old Feb 18, 2010 | 09:53 AM
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Thanks I wasn't sure if there was such a thing!
 
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Old Mar 3, 2010 | 12:32 AM
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i never heard of one in a bronco, but im putting either a 4bt or a 6bt. my papa tom has a diesel shop and he said it would be simple to put one in my truck. he also said as long as you dont get one thats a new model u wont have to even get a new wire harness it only need like 2 or 3. also that motor has 170 hp and like 450 ftlbs.
 
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Old Mar 3, 2010 | 10:59 AM
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Did somebody say diesel Bronco?
 
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Old Mar 3, 2010 | 11:06 AM
  #7  
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Originally Posted by hotter69
i never heard of one in a bronco, but im putting either a 4bt or a 6bt. my papa tom has a diesel shop and he said it would be simple to put one in my truck. he also said as long as you dont get one thats a new model u wont have to even get a new wire harness it only need like 2 or 3. also that motor has 170 hp and like 450 ftlbs.
The 12V motors are all mechanical, you need to connect one wire to the injector pump fuel solenoid and it'll run. The '91 that's in my '78 Bronco was rated at 160hp and 400ft/lbs @ 1500 rpm. Mine is turned up quite far and is making more like 250-260 hp and 650-680 ft/lbs.It's actually quite a bit of power for a Bronco, as you might imagine, and I've been averaging 20 mpg with mixed driving.

For the little Broncos, I would suggest going with a 4BT, it's a great setup.
 
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Old Mar 3, 2010 | 10:16 PM
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that is bad ***. is 12v the model# or does it have 12 valve?
 
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Old Mar 4, 2010 | 07:32 AM
  #9  
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Originally Posted by hotter69
that is bad ***. is 12v the model# or does it have 12 valve?
Thanks. The Cummins in my truck is a 6BT, which means; 6 cylinder, B engine series, T for Turbo. 12V indicates 12Valves, which is 2 valves per cylinder in 6 cylinder config. The newer 6BTs are 24V, with 4 valves per cylinder and electronically controlled injection. The 4BT is nearly identical to a 6BT, only minus 2 cylinders. They use mostly the same internal parts, bellhousing adapter, timing cover and all. Cummins is good like that.
If anyone is interested, there are a lot of pics of my project in my garage, as well as a thread I made detailing the whole process, in the big Bronc section. I will HIGHLY recommend a Cummins Bronco, I've never driven a truck so fun.

As for the noise someone mentioned; yeah, it is pretty loud, but I also removed the foam insulating block from the engine lifter cover because it was oil soaked and ugly on the fresh Ford blue paint. If you want to quiet it down, I'd suggest spraying dynamat on the inner fenders, underside of the hood, firewall and floors.
Quick vid clip of the truck cruising and a full throttle blast in high gear from 28 to 48 mph:
http://s4.photobucket.com/albums/y14...rrent=BB78.flv
 
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Old Mar 5, 2010 | 10:24 AM
  #10  
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What's that popping noise in the vid?
 
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Old Mar 5, 2010 | 11:52 AM
  #11  
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I dont know what that is, it annoys me, because it's a good camera. It's most likely my finger tapping the mic as I hit bumps. Once it warms up a little, I will have some good videos to upload.
 
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Old Mar 5, 2010 | 04:06 PM
  #12  
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Yeah that sounds good American Thunder! That things awesome I love it!
 
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Old Mar 7, 2010 | 01:21 PM
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Also the 7.3 diesel bronco is a popular conversion. I have heard of a few and almost bought one off ebay. I plan on doing a diesel bronco in the future with either a 6.4 or 6.7 from a newer style ford.
 
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Old Mar 7, 2010 | 02:27 PM
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I do like the early 7.3s, they're a good motor, but I got my Cummins for -$200 (yes, negative 200! ) So I couldn't pass it up. But the big thing about the 7.3 is the lack of room to work in the engine bay, and I *much* prefer the inline 6. Well, the 4.75" stroke doesn't hurt either.. Also from what I've read, the internals of the newer 6.7 Cummins will bolt into the older 5.9 blocks, but I havent confirmed that yet. That would make an awesome motor, an all mechanical 6.7L Cummins
 
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Old Mar 7, 2010 | 02:43 PM
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That would be interesting. none of that emissions crap and a p-pump. that could be awesome
 
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