Diesel Engine Conversions Diesel Engine Swaps , 4bt Diesel and All Diesel Engine Conversion Related Discussions

Cummnis 3.9

Old Oct 2, 2007 | 08:32 AM
  #11  
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Originally Posted by JakeDeisel
I put a 3.9 in a 1994 dodge 1500, and just fired it for the first time yesterday and it didn't seem to vibrate that bad. to me it was just like the 5.9. and i have any kind of harmonic balancer whats so ever.

The 5.9 and the 3.9 have the same bolt pattern for the adapter plate to the trans.
another 4bt swap in NJ!!! awesome. Mine currently resides in the cherry hill area, how is yours coming? i don't get on here too much.

I've been having problems with the governor in my 700r4, I have to play with it some more to see if i can get my shift points correct.

what is your setup?
 
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Old Nov 26, 2007 | 01:59 PM
  #12  
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Originally Posted by Rusty_HC
You will be lucky to be able to see out of your mirrors with a stock 4BT installed.
That is complete Bullshmit. Mine shakes a little at idle but once you are driving you can't tell it is a diesel by vibration at all, but sure sounds like one. I use the smaller rubber-sandwich motor mounts, same as the frito lay vans use.
 
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Old Nov 26, 2007 | 02:10 PM
  #13  
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Originally Posted by LincTex
That is complete Bullshmit. Mine shakes a little at idle but once you are driving you can't tell it is a diesel by vibration at all, but sure sounds like one. I use the smaller rubber-sandwich motor mounts, same as the frito lay vans use.
What is your conversion, Any pics?
 
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Old Nov 26, 2007 | 03:15 PM
  #14  
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Originally Posted by redneckbuckeye
What is your conversion, Any pics?
I can take some pics later, have to leave for work in 5 mins.
There are some on the http://www.4btswaps.com/forum/index.php site, somewhere.

I bought the engine from a truck salvage yard. It had been in a Frito Lay/Wonder Bread truck. It had a NP435 bolted to it, and I unbolted that trans and bolted it right up to the NP435 in my F250. The frame stands for the motor mounts needed to be moved, cut and welded. Everything else was pretty basic: fuel lines, wiring, radiator hoses, exhaust. I'll swap a 5 speed in later, right now I am just enjoying it the way it is. I don't drive any faster than 65-70 with it.
 
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Old Nov 26, 2007 | 03:33 PM
  #15  
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What kind of price would I be looking at to do a swap into a S10? Ballpark?
 
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Old Nov 26, 2007 | 06:11 PM
  #16  
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you can get into a good 4bt bread van for around 3k.......then go from there

alot pends on where ya live..........from what I know back east has a **** ton of good used vans cheap
 
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Old Nov 26, 2007 | 06:15 PM
  #17  
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Cummins 4BT
 
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Old Nov 27, 2007 | 02:03 AM
  #18  
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Originally Posted by redneckbuckeye
What kind of price would I be looking at to do a swap into a S10? Ballpark?
Honestly???? JMHO, but the 4BT is too big for an S-10 or Ranger sized truck. It is about 800 lbs full-up. That is the same weigh as an all-cast-iron-everything Ford 460.
The front ends on those smaller trucks were never designed to handle the weight and your front end components will wear our quickly....or more dangerously, BREAK outright while driving!

I have a '93 Ranger myself, and after having a 4BT in my F250 I would never put that engine in a smaller truck. You could probably pick the rear bumper right off the ground after that swap.

I am "kind of" looking for a nice 3.3 liter Cummins 4BT instead, but am also running across the occasional Kubota turbo V3300 engine and will probably do that instead. (also 3.3 liter) You can bomb a Kubota engine to at least 2-1/2 times their original power, they are tough little buggers.
 
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Old Nov 28, 2007 | 11:25 AM
  #19  
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That right mine only shakes a little at idle. Once you raise the rpms up to about a 1000 it smooths right out. It idles at 950. I have no problem seeing out the mirrors at any time. Do you know your mpg?
 
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Old Nov 28, 2007 | 12:21 PM
  #20  
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Originally Posted by JakeDeisel
Do you know your mpg?
Not yet, I just dump in the random container of filtered oil/diesel fuel mix from time to time. The only way to check mileage is to top it off, drive for a number of miles and top it off again, and I haven't done that yet.
 
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