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Tractor Talk Discussion Forum

2004 5.9 Cummins/Dodge power increase

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dboll

07-30-2007 13:27:18




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I have a 2004 24V cummins in a 2500 Dodge. Quite honestly I am a little dissapointed with it as my 92 Ford with a 460 pulled nearly as good though the mileage is better. Everyone has differen't ideas chips, bigger injectors ect. What is the best way to get another 60 or 70hp out of it? If I go with a chip what is a good brand in regard to egt temp, mileage ect?




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Mike w Jj

07-30-2007 18:50:17




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 Re: 2004 5.9 Cummins/Dodge power increase in reply to dboll, 07-30-2007 13:27:18  
When i bought mine dodge advertised they would start a 12000 lbs load at an idle and it will I have a 5 speed with 3/54 ratio don't touch throttle when letting the clutch out let it out till it starts to pull then let it out all the way and it will belch black smoke and go I haul alot of 16000 lbs loads once in 5th gear on interstate I never shift 70mph is about 2100rpm Take the catalitic converter off and you will gain 2 mpg.

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e

07-30-2007 18:49:05




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 Re: 2004 5.9 Cummins/Dodge power increase in reply to dboll, 07-30-2007 13:27:18  
Now before you get excited about adding more power, how many miles do you have on your air filter? The air filter should be changed every oil change if you see any type of dusty conditions. I'd even change it every time regardless for good measure. When I worked for Cummins, that was our rule of thumb for trucks that we bombed around town in. For some reason, the air boxes dodge put on should have only been for engines not nearly as air hungry as the 5.9L.

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mj

08-01-2007 07:54:39




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 Re: 2004 5.9 Cummins/Dodge power increase in reply to e, 07-30-2007 18:49:05  

e said: (quoted from post at 18:49:05 07/30/07) Now before you get excited about adding more power, how many miles do you have on your air filter? The air filter should be changed every oil change if you see any type of dusty conditions. I'd even change it every time regardless for good measure. When I worked for Cummins, that was our rule of thumb for trucks that we bombed around town in. For some reason, the air boxes dodge put on should have only been for engines not nearly as air hungry as the 5.9L.


Yeah, the stock airbox will pull the filter minder under WOT even with a new element. third party image Opening up (sabre saw) the side of the box nearest the fender cures that and eliminates 90% of the bugs, chaff, etc. that accumulates on the element with the stock configuration.

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Cliff Neubauer

07-30-2007 18:07:16




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 Re: 2004 5.9 Cummins/Dodge power increase in reply to dboll, 07-30-2007 13:27:18  
If you want fuel economy I'd look at the Edge Juice with Attitude. It will give you on the go adjustability from stock to a 120hp increase. The attitude part is a digital readout that will give you your EGTs, fuel pressure, boost pressure and alot of other data plus as it monitor's your exhaust, engine and transmission temp it will detune the engine when it see's a problem like high egts or even if the transmission is slipping.

You don't say if you have a manual or automatic transmission but the automatic should hold up to another 40hp or so over stock and the 6 speed will hold up to alot. Even under abuse like sled pulling the driveshafts and axles should hold up to 500hp without any problems.

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Eldon (WA)

07-30-2007 18:02:10




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 Re: 2004 5.9 Cummins/Dodge power increase in reply to dboll, 07-30-2007 13:27:18  
Yeah I have a Cummins in an 04.5 3500 and it seems sluggish too....had the mpg upgrade and helped the fuel mileage a little, but still not near what my '01 Cummins got. Starting torque sucks and acceleration is terrible with 12k behind it.

There's a programmer out there (Bully Dog I think) that you can try for free...just have to go to a dealer and they will install it. It cancels out after 3 days....I think I might try that before my next trip.

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JDDodge

07-30-2007 16:51:57




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 Re: 2004 5.9 Cummins/Dodge power increase in reply to dboll, 07-30-2007 13:27:18  
If it was me I'd have it checked by someone in your area that knows Dodge and Cummins.I have a 2004 with the same engine only my truck is a quad cab 3500 1 ton dually. I pull gooseneck trailers on a dailey basis. I also have friends that have same engine. Mine is stock,no modifacations and my friends are stock also. I'm not saying this to put any truck down, I have towed with 460 Ford, 454Chevy and power stroke Fords along with the Dodge/Cummins. My Dodge and the friend's Dodges that I mentioned will eat the 460 and 454 for breakfast and get at least twice the MPG. If yours don't then something is wrong and you need to have it checked.

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CumminsMan

07-30-2007 16:33:05




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 Re: 2004 5.9 Cummins/Dodge power increase in reply to dboll, 07-30-2007 13:27:18  
First I'll say, leave injectors alone. Bigger injectors are not needed, and cause fuel use to go way up. That being said, many companies make chips that'll give you about 75-80 more horse. I have an '01 with the H.O. and 6 spd. currently turning about 80 hp over factory. I am getting 22mpg. empty and clutch will take that level of power when starting a load, and factory lift pump can keep adequate supply to the fuel pump. You get much over 400 hp. and you will have to change way more than it is worth, plus mpg's drop off significantly.

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RodInNS

07-30-2007 14:44:16




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 Re: 2004 5.9 Cummins/Dodge power increase in reply to dboll, 07-30-2007 13:27:18  
I'm not disputing what you're saying, but I wonder how on earth a Ford 460 coule even play in the same league as that Cummins. They shouldn't even be close. The 460 shouldn't even be close in performance to the Cummins of that day...
Sure there isn't something wrong with the new one like fuel pressure or filters, or something stupid like that?
If not, then yes, there are chips. Also, I thought the high output version of that thing was something like 3-1/4 out of the box... A friend of mine has an '03, and it's in no way short of power.

Rod

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the tractor vet

07-30-2007 17:41:03




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 Re: 2004 5.9 Cummins/Dodge power increase in reply to RodInNS, 07-30-2007 14:44:16  
Got news for ya as i have had both and my 88 Ford F350 4X4 would flat up and have dodges for a snack and she was 460 powered with a 5 speed with 4.10 gears , it made so much power that when pullen the gooseneck like i did i was changen u/ joints every week and that is no lie till i got away from NAPA joints as with them it would embed the needels into the crosses fixed that problem then after 50000 miles i had to replace the yokes as they were streched . Now this truck my have been a fluke as we did have are fair share of other problems and the emission code on that truck was 666 but she would haul the mail nomatter what ya loaded on the trailer and beleive me i would load the wagon . I use to hit all the sales i could find between Ohio and Ill. and some weeks that ment changing oil twice in one week. I was one of the first around here that bought a one ton Dodge with a Cummins in a 4X4 cab and chassie and just had to get my grubby fingers into it and yes my 95 Dodge will run now .

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garyh

07-30-2007 14:17:32




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 Re: 2004 5.9 Cummins/Dodge power increase in reply to dboll, 07-30-2007 13:27:18  
Ya, a chip will give you more power , but at the expense of your driveline. Power- adders are no substitute for having the proper axle ratio for the intended load. gh



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buickanddeere

07-31-2007 04:58:49




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 Re: 2004 5.9 Cummins/Dodge power increase in reply to garyh, 07-30-2007 14:17:32  
You can add all the axle ratio you want but it won't increase the lb ft of torque at the flywheel. All the axle ratio increase does is have the engine make rated power at rated rpms with the transmission in a higher gear. Ground speed isn't going to change.



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tom green

07-30-2007 13:55:40




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 Re: 2004 5.9 Cummins/Dodge power increase in reply to dboll, 07-30-2007 13:27:18  
a little surprised you need more power. i would guess you dont have many miles on it. big power pick up at 60000 and continues thru 500000. had a 2000 with 650,000 and got 1/3 origional cost back. have a 2000 5.9 270000 miles very few repairs(mostly maintainance) cant be stopped. 15 m.p.g. w 15000 behind. 2004 6 speed 325000 miles 16 m.p.g. with 15000 behind. leaves the fords in the hills and mileage is nearly double.

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ncdiesel48

07-30-2007 13:52:57




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 Re: 2004 5.9 Cummins/Dodge power increase in reply to dboll, 07-30-2007 13:27:18  
Go with a smarty they are hands down the best. I have a 04 3500 with the smarty only suggestion get some gauges too! boost, fuel pressure, egt's and trans if you have an auto. Power by poole in salisbury NC has great customer support and the best prices....ask for Olee.



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mark

07-30-2007 15:21:48




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 Re: 2004 5.9 Cummins/Dodge power increase in reply to ncdiesel48, 07-30-2007 13:52:57  
Well fellers.....tell me, just what does a chip do? It would seem to me that for everything there is a trade off...more horses, bigger feed bill. Furthermore, just how much danged power do you need? I wouldn't want a dog...but unless things made a dramatic turnaround....as in DAY-UM! I think I'd be inclined to leave things alone and shoot for long service life. I don't know what gear ratios they offer in 2500/3500 series, but I'd buy the lowest they had....4.56 would be great. Remember..such a beast is a work horse, not a race horse.

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ncdiesel48

07-30-2007 17:01:27




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 Re: 2004 5.9 Cummins/Dodge power increase in reply to mark, 07-30-2007 15:21:48  
I have my play truck and I have my 04 3500. Yes adequate to pull my gooseneck with whatever I put on it. But that extra power is awesome. And your driveline will NOT suffer as long as you don't put anymore that 100 extra hp. And with the smarty you can change the settings for when you need them and when you don't. And yes some people still dont believe this but I have added about three miles a gallon on my truck with the smarty. All these programmers do is either change the timing or adjust fuel.

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mark

07-30-2007 17:07:25




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 Re: 2004 5.9 Cummins/Dodge power increase in reply to ncdiesel48, 07-30-2007 17:01:27  
I just wonder why Cummins doesn't go ahead and do this on their own? Surely their engineers aren't ignorant of that fact that the power can be boosted.



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ncdiesel48

07-30-2007 17:56:05




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 Re: 2004 5.9 Cummins/Dodge power increase in reply to mark, 07-30-2007 17:07:25  
Part of the reason is the emission standards, These engines are derated to about 65-70 percent of what they can do without internal mods. There are 5.9s on the pulling tracks that are over 1500 hp.



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