1st Generation Dodge Cummins 89-93 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps

Which generation model is best for my application?

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Old 07-27-2009, 04:31 PM
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Default Which generation model is best for my application?

My application: 7-Ton/14K LBS, fifth wheel RV - Colorado passes, many, are 6.5 to 9% grades.
Question: What model would get me up these passes and without adding wear and tear for the least amount of necessary upgrades and what upgrades would all recommend for that model?

Does anyone have any more information as to showing information on these engines, other than what I have been able to find as shown here?:

[IMG]E:\Downloads\My Docs of D drive\Automotive\Family Vehicles\Our Vehicles\1996 RAM 2500 4X4 Cummins Diesel[/IMG]

Thank you all.
 
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Old 07-27-2009, 05:14 PM
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it really wouldn't matter i climb wolf creek pass a lot with a four horse slant and livin quarters with my third gen. It does jus fine. all it has is trailer brakes and a edge chip.
 
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Old 07-27-2009, 06:32 PM
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Well, the later the model the more stock horsepower, the more stock horsepower the better.

You can argue that a '94-'98 will put out more reliable horsepower than a '98.5-'02 after modified, in reality you have to be thorough about it for that to hold true.

I'd go with an 03+.


That's kind of an interesting chart; those aren't all Dodge truck specifications.
 
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Old 07-27-2009, 08:12 PM
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Originally Posted by Begle1
Well, the later the model the more stock horsepower, the more stock horsepower the better.

You can argue that a '94-'98 will put out more reliable horsepower than a '98.5-'02 after modified, in reality you have to be thorough about it for that to hold true.

I'd go with an 03+.


That's kind of an interesting chart; those aren't all Dodge truck specifications.
This is where I found this one as I got it from another one of us Cummins Gen1 enthusiasts:
Cummins 5.9 liter and 6.7 liter inline six-cylinder diesel engines
Check it out and then let me know what you think guys.
 
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Old 07-27-2009, 08:33 PM
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Are you wanting to swap an engine into your truck or buy a new truck?
 
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Old 07-27-2009, 08:58 PM
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Originally Posted by Begle1
Are you wanting to swap an engine into your truck or buy a new truck?
Well to be honest with you, I think this time around I am going to buy another truck (used) and nudging between a G2 and G3, but most likely a G2 this time around. I am going to be looking at a '02 model on Wednesday, a RAM 2500 4X4/Auto/Lariat edition with appx: 125K on her, fully loaded/leather int. He is asking 15K (I talked him down to 14.3)
 
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Old 07-27-2009, 09:27 PM
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VP-44 trucks...



 
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Old 07-28-2009, 10:47 AM
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Honestly, if you want something to just tow with I would go with a stock power level, intake and exhaust, 3rd gen truck with a 6-speed. My 06 with teh 89 behind it this weekend with teh power set back to stock would run 65-70 up all the grades with no problems.
 
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Old 07-29-2009, 10:22 AM
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Okay, so I have looked at about 250 RAM trucks ranging from 1998 - 2006 for the past two weeks in the USA, as these are what model years that are within our price range up to $ 15K. I had my mind set on a '03 I found that was showing 350K miles but was worked very hard as a heavy puller. It was manual transmission and a HO engine, however only created a major all night arguing match with my wife. So because of my wife's wants (automatic), instead of my own, and since I am actually more fond anyway of the RAM body styles from 1994 - 2002, I found a very clean '02 4X4/ClubCab/2500/SLT-Laramie/5.9L/Auto for 13.3K with 124K showing on the odo that has no upgrades to be speak of added to her. But I have the receipt where the trans was rebuilt just 2K ago, new disc brakes on all 4, new injection pump 2K ago and new injectors same time, oh and also new fuel pump same time.

Question: For my application, can you all please suggest immediate upgrades in which I really should consider so that I limit the possibility of any mis-fortunes as I recently experienced with my Gen1 engine (PLEASE!!). I have 2500.00 left to play with for upgrades on this one and have my old truck for parts now..Let me know if anyone is interested in any as well.

Thank you all
 

Last edited by x2be1; 07-29-2009 at 10:27 AM. Reason: spelling error corrections made
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Old 07-29-2009, 12:04 PM
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You must get a good fuel system; FASS, AirDog or something similar.
 


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