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Old 03-03-2008, 11:04 PM   #1
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a few pics of my diesel swap!!!

Here are a few pictures for those that do not go into the main discusion area.




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Old 03-04-2008, 08:17 AM   #2
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aside form your frankenclutch, what all did you have to do (just for curiousity's sake).

obviously motor mounts and the like. being a mechanical engine, did you just run new gauges etc or did you have to buy some type of wiring harness? how long did it take you and how hard was it overall?

very sweet build. id throw myself down a flight of stairs to have something like that. congrats on a very sweet and well done swap.

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Old 03-04-2008, 08:41 AM   #3
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I simply installed my factory sending units in the diesel and used factory gages I have to get an after market control unit to used the factory tack. It honestly was no that hard, keep in mind I am a diesel engine builder so I have experience. It took 2 weekends and 1 week after work every day from about 3:00 till dark. But I collected parts for months.
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Old 03-04-2008, 09:56 AM   #4
coilovers are damn flexy
 
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That is sweet, RD........which diesel motor is that, and what kind of torgue are you getting?
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Old 03-04-2008, 10:20 AM   #5
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Looks like its a Cummins 4bt. But thats just my guess.

Thats exactly what I want to run. LUCKY!

Great looking swap, Nicely done!
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Old 03-04-2008, 10:40 AM   #6
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thanks I will get some completed pics up soon after I tied the wires out of the was and all that jazz. it is a 4bt and I am not sure what the torque is but I can take of in second gear without giving it any gas with 308 gears.lol Me and my wife are also into muscle cars so next dyno day the old jeep will be getting up that and showing what she can so. I am about to change the exhaust turbine housing to get fore boost at low rpm's. my guess would be around 250 feet pounds of torque and 125 hp. Trust me it is plenty this thing will blow my original 4.2 away.
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Old 03-04-2008, 11:37 AM   #7
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Good looking project.
Something to have in mind with gas prices today.
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Old 03-04-2008, 11:24 PM   #8
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Here is a short video
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Old 03-06-2008, 05:04 PM   #9
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thats cool it makes me wish i had a yj then i could have done something like that
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Old 03-06-2008, 05:10 PM   #10
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I would do it to a tj as well, I just found my yj first.
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Old 03-06-2008, 10:48 PM   #11
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That sounds sweet. Someday mine will sound like that.
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Old 03-07-2008, 09:52 AM   #12
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If you need any advise I am willing to help.
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Old 03-07-2008, 11:58 AM   #13
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if i told you i didnt scan craigslist for a 4bt the moment after i read your thread, id be lying
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Old 03-07-2008, 12:13 PM   #14
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A local around here did this same swap in his yj.

got any more pictures of the jeep?
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Old 03-07-2008, 12:23 PM   #15
coilovers are damn flexy
 
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if i told you i didnt scan craigslist for a 4bt the moment after i read your thread, id be lying

You even inspired me to do a search. Good stuff.........
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Old 03-07-2008, 12:55 PM   #16
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she will be down a couple of days for an soa lift I mounted the engine really low in the engine bay to allow better drive shaft agile when i lift it.That is causing a little trouble. so I guess I will go ahead and lift her up. lol I am going to an off road park the 15th so be expecting videos!!
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Old 03-07-2008, 12:56 PM   #17
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she will be down a couple of days for an soa lift I mounted the engine really low in the engine bay to allow better drive shaft agile when i lift it.That is causing a little trouble. so I guess I will go ahead and lift her up. lol I am going to an off road park the 15th so be expecting videos!!
what size tires are you going with?
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Old 03-07-2008, 02:33 PM   #18
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either 33's or 35's what do you suggest
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Old 03-07-2008, 02:35 PM   #19
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are you running the dana 35 in the rear still?

how much does that motor weigh?
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Old 03-07-2008, 08:34 PM   #20
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Yes I will run the factory axles till they blow. lol The motor weighs about 750 pounds. do you know how much the factory engine weighs?
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Old 03-08-2008, 10:27 PM   #21
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wow, i am so envious of your setup..i am dieing to put a diesel in my 90' yj but the only option i have right now is a vw rabit ....i am slightly restrained by money...
but if you had any suggestions, I'd love to hear them!!!!
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Old 03-08-2008, 11:19 PM   #22
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I am not sure what I would do in your situation. My total swap was under 2 grand. However I own a diesel repair business and we also have a truck salvaging business So I have a connection for parts. If you can find a bread truck with the 4bt cheap enough they scrap for around $1,000 I bought mine for $1500 so the engine only cost me $500 and the bread truck bell housing was for a sb ford so I used the advanced adapter for the ford ($200)
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Old 03-09-2008, 04:30 AM   #23
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now thats a picture i love seeing. nice swap.

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Old 03-09-2008, 03:54 PM   #24
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well, my jeep is down. i blew the stock 4cyl being stupid...so i found a replacment for 1,500
now my jeep has 167,000 on it and the stock tranny is starting to shift bad (i know the ax5 is a bummer) so that is another 700 for a new one... point is, i would love to have a diesel in my rig and after doing alot of research i am bent on the cummins 3.9 so any wisdom you could offer me on this would be so greatly appreciated. i used to own a f250 with the powerstroke,loved it..and as far as fabrication and mechanic know how...i am fairly handy with a wrench.
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Old 03-09-2008, 04:01 PM   #25
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doesnt cummins weight a ton?
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Old 03-09-2008, 04:34 PM   #26
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well i mean some of them do...like the 6.6 is a good bit over 1000

but from what i understand the 3.9 is like 750 wet
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Old 03-09-2008, 08:31 PM   #27
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awesome job, i'm currently doing a stroker, but my next one will be something like this. i see a vacuum brake booster, i've heard of some problems, don't diesels not make much vacuum for this? what did you do here, did vacuum work fine?
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Old 03-09-2008, 10:39 PM   #28
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I had to install some extra leaf springs up front to compensate for the weight difference. I SOA lifted the jeep yesterday and bought some 33"rs. It looks really good I will post pictures of the completed engine and lift as soon as I get a chance to.
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Old 03-10-2008, 08:22 PM   #29
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Quote:
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Here are a few pictures for those that do not go into the main discusion area.



are you nuts? a diesel in a Jeep? Come on now! I'm joking, check out my sig.
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Old 03-10-2008, 11:26 PM   #30
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Quote:
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awesome job, i'm currently doing a stroker, but my next one will be something like this. i see a vacuum brake booster, i've heard of some problems, don't diesels not make much vacuum for this? what did you do here, did vacuum work fine?
If I'm not mistaken his engine has a vacuum pump on it.


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