1989 dodge 250 cummins swap - Dodge Cummins Diesel Forum

89-93 Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission Ect...NO ADVERTISING

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post #1 of 26 (permalink) Old 10-26-2013, 11:11 PM Thread Starter
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1989 dodge 250 cummins swap

hey everybody I'm new to this site so bare with me i own a 4x4 89 250 3/4 ton with a 360 4 speed an i want to put a cummins with a 5speed in it an wondering what all ill have to do to make it work appreciate all the help i can get thanks y'all

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post #2 of 26 (permalink) Old 10-26-2013, 11:16 PM
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A donor Dodge with a Cummins and 4x4 5speed would be the easiest way to make a swap. Then you would put the engine, trans, T-case in. The engine only needs a key on wire for the FSS to make it run.

92 D250 custom made bed, 190 inj., 16cm , electric cooling fan, 2nd gen air horn, 5spd., Dana 61 3.31 gears, 1 stage W/M set up

97 2500 4X4 auto DDP 40 HP injectors, no 8 fuel plate, homemade 3" intake horn, BD converter, BHAF, electric cooling fan
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post #3 of 26 (permalink) Old 10-26-2013, 11:25 PM
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Best bet would be to buy a complete truck and sell what you don't use but me I would swap everything I could .

newest toy 14 jeep GC Eco diesel 2008 QCLB sold 2011 cclb Sold 2013 Durango bit the dust 9-04-14 RIP Speedy the 67 vw died a very hot Death 5-17-2010 New toy 1985 crewcab longbed 4x4 conversion with a 93 cummin's and built 518 auto ,hx35 with a 12 wg housing ,366 spring and fuel pin .along with Boost and Pyro gauges and Tach .
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post #4 of 26 (permalink) Old 10-27-2013, 10:26 AM
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buy a parts truck, or just a running one.

91.5 W250- 2" lift, 33s, Dennys Stage 2, Turned up pump, HX35
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post #5 of 26 (permalink) Old 10-27-2013, 11:46 AM Thread Starter
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thanks for everybody's help i really appreciate it ill be searching around
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post #6 of 26 (permalink) Old 11-05-2013, 10:59 PM
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anyone else have info on this? I'm in the same situation right now with a 1st gen 350 with a gas engine. is the existing trans and transfer case not strong enough for a 1st gen 5.9? also can the existing fuel tank and delivery system be used with diesel? thanks all
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post #7 of 26 (permalink) Old 11-05-2013, 11:21 PM
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No your Gasser Trans will not work as for fuel tank it is just easier to swap everything out to diesel that way thing's Plug right back into place .

newest toy 14 jeep GC Eco diesel 2008 QCLB sold 2011 cclb Sold 2013 Durango bit the dust 9-04-14 RIP Speedy the 67 vw died a very hot Death 5-17-2010 New toy 1985 crewcab longbed 4x4 conversion with a 93 cummin's and built 518 auto ,hx35 with a 12 wg housing ,366 spring and fuel pin .along with Boost and Pyro gauges and Tach .
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post #8 of 26 (permalink) Old 11-05-2013, 11:52 PM
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do you happen to know what transfer cases came behind the 1 ton 318? can I use that?
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post #9 of 26 (permalink) Old 11-06-2013, 02:20 AM
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AFIK 318 were never used in 1 tons. So if it is a 1 ton it should have an NP205 like the diesels or it would have an NP208 like the lighter trucks.

The gas trans won't fit a diesel.

Could use the gaser fuel tank but the lines need rerouted, the gasser fuel lines are on the passenger side rail (carbed), diesels are on the left, pretty sure FI gasser are too but you can't use the gasser electric fuel pump without a regulator.

92 d250 le creampuff, rc auto and stone stock.
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post #10 of 26 (permalink) Old 11-06-2013, 03:37 AM
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yeah I'm starting to think this truck isn't a 1 ton. we just got it on a trade and the fender said power ram 350 custom, got under it and the diff cover is shaped to dana 44 and an 8 lug with a d60 in the rear, it's a 91. I've searched online for info on the model but came up empty. will that axle hold the 5.9?
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post #11 of 26 (permalink) Old 11-06-2013, 08:18 AM
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Check the gvw on the drivers door jamb, bet its 7700 or lower= w250

92 d250 le creampuff, rc auto and stone stock.
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post #12 of 26 (permalink) Old 11-06-2013, 09:48 AM
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Quote:
Originally Posted by GOOD_STUFF View Post
yeah I'm starting to think this truck isn't a 1 ton. we just got it on a trade and the fender said power ram 350 custom, got under it and the diff cover is shaped to dana 44 and an 8 lug with a d60 in the rear, it's a 91. I've searched online for info on the model but came up empty. will that axle hold the 5.9?
It probably depends on what your going to do with the truck if the D60 will hold up. I have a D61 in my truck but it's just my DD.

92 D250 custom made bed, 190 inj., 16cm , electric cooling fan, 2nd gen air horn, 5spd., Dana 61 3.31 gears, 1 stage W/M set up

97 2500 4X4 auto DDP 40 HP injectors, no 8 fuel plate, homemade 3" intake horn, BD converter, BHAF, electric cooling fan
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