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Old 08-18-2009, 09:23 AM   #1 (permalink)
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What is the best Cummins?

Hello, I just sold my 7.3 and I am looking to get in another diesel. I have always thought the cummins is a great motor so I thought I would maybe give it a shot. I am wanting a daily driver that still pulls well and makes 400 + hp. Can you tell me which year cummins is the best suited for my needs and what mods are needed to reach this HP level? I was thinking with tuning, the right injectors and turbo upgraded I could reach this level but I am not awfully familiar with the cummins and its mods.
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Old 08-18-2009, 09:31 AM   #2 (permalink)
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to get 400 hp ? get an 04.5 model then get
edge juice w/att, quad x2 race box, smarty
sr, ppe box... 400 hp is not hard to get at
all with the common rail.

*edit* - welcome to cf !
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Old 08-18-2009, 09:35 AM   #3 (permalink)
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How much do you tow? Auto or manual? How many people do you haul around, do you need four doors? How much are you looking to spend? etc, etc
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'99 dodge 4x4 NV4500, Super X VP, FASS 150, Custom Quick Spool Super B w/ ATS manifold, RV's, Smarty programming. north of 400 hp... Bout to add water/meth injection
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Old 08-18-2009, 09:54 AM   #4 (permalink)
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I tow weekly but small loads like a 24' Boat. I would be ok with 2nd or 3rd generation dodge. I am trying to stay under 20k and I have found some of both generations at this price. How much HP will a cummins make with the mods I mentioned before. Also how do the dodge trucks hold up?
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Old 08-18-2009, 10:02 AM   #5 (permalink)
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you dont need upgraded injectors OR upgraded turbo
to make 400 hp on a 3rd gen.

whatever year model you buy be sure to check all of the
ball / u joints as well as the carrier bearing if its a long
bed.
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Old 08-18-2009, 10:10 AM   #6 (permalink)
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I would be ok with an auto or a handshaker. I currently have my eye on a 02 and a 03 both are auto and both have 145k miles on them.
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Old 08-18-2009, 10:12 AM   #7 (permalink)
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Quote:
Originally Posted by BENG0924 View Post
I tow weekly but small loads like a 24' Boat. I would be ok with 2nd or 3rd generation dodge. I am trying to stay under 20k and I have found some of both generations at this price. How much HP will a cummins make with the mods I mentioned before. Also how do the dodge trucks hold up?
Honestly, the dodge shell starts to fall apart at about 220K miles but that Cummins will go forever and ever if taken care of. We have a 98 dually with 350K+ on it right now... the dodge is absolutely falling apart around it, but that Cummins still starts on the first click and has as much power as ever lol.

I think most of the problem is because they ride so rough, it just beats the pickup to death.

Granted we're especially hard on our pickups out here on the farm, but with boat towing, you'd be alright with any 3rd gen automatic. The 03's to 04.5 make 285hp/555tq I think where as the newer 5.9's make 310/625 stock. Someone can correct me if that's wrong. The other guys would know more about how much power each thing adds. I know that my '07 tows like a Peterbilt, but it's a 6 speed manual. Either way, you'll like the power that these new CR's make.

EDIT: I haven't had a 3rd gen long enough to see if they hold up past 220K, but that seems to be the experience we've had with our 3-2nd gens and 3-1st gens. I have the first 3rd gen on our farm thus far.

FYI: 3rd gen=03-07
2nd gen = 94-02
1st gen= 89-93

The third gen has an electronic common rail injection system
The 98.5-2002 has a VP44 electronic injection system which is prone to failure without sufficient fuel flow
The 94-98 has the ultimate reliable P7100 mechanical fuel pump and a 12v engine vs. a 24v in all newer engines. This engine will run as long as you can turn it over.
The 89-93 has a rotary mechanical fuel pump that is as reliable as the p7100 but has lower injection pressures. They just aren't capable of making the power that the 94's and up can.
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'99 dodge 4x4 NV4500, Super X VP, FASS 150, Custom Quick Spool Super B w/ ATS manifold, RV's, Smarty programming. north of 400 hp... Bout to add water/meth injection

Last edited by bbraden; 08-18-2009 at 10:22 AM.
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Old 08-18-2009, 10:54 AM   #8 (permalink)
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Yea I have heard bad things about the dodge structure. I sure would like to give the cummins a try tho. How do they hold up when they are chipped and everything are they prone to failure, or do they hold up pretty well to the abuse? Maybe the 3rd generations will hold up better.
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Old 08-18-2009, 10:59 AM   #9 (permalink)
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On the dodge the weakest link is the transmission correct? Is there a preferred builder that does goos with these transmissions or a way to make them bulletproof? I know Suncoast does them here in Florida, are they any good, or are there better builders??
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Old 08-18-2009, 11:07 AM   #10 (permalink)
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on a dodge auto, that is one of the weakest links. the manny holds
up to power adders better.
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Old 08-18-2009, 11:15 AM   #11 (permalink)
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should the cummins have any blow-by or any easy test I should do on the motors before buying?
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Old 08-18-2009, 11:28 AM   #12 (permalink)
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i wouldnt say they fall apart. I've got a 04 305/555 with 426000 and still counting. It could use a paint job bc of rock chips other than the normal u joint/ball joint issues, it has been a perfect truck!
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