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Old 09-09-2004, 03:47 PM   #1
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Sorry if this is an especially dumb question, but since we just bought what I think is a 2004 Dodge this week I want to know what this 2004.5 reference is all about. I know some aftermarket places are also making this reference so I guess it's valid. Do I have one? Help me out!

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Old 09-09-2004, 03:47 PM   #2
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Sorry if this is an especially dumb question, but since we just bought what I think is a 2004 Dodge this week I want to know what this 2004.5 reference is all about. I know some aftermarket places are also making this reference so I guess it's valid. Do I have one? Help me out!

BigBob....
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Old 09-09-2004, 04:23 PM   #3
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Valid question, and there was a change in mid 04.

2003 and 2004 Cummins trucks have either a Standard Output engine (250 horse power, 460 ft lbs torque), legal in CA, or a High Output (305 hp, 555 ft lbs) version of the same engine.

Starting with 2004.5 the Cummins in Dodges is a 50 state legal motor with 600 ft/lbs and 325 hp.

If you open the hood, there is a data plate attached to the throttle position sensor assembly. Where it lists engine model, it will show ISB (engine series) followed by the HP rating.

Some of the folks with the 600 talk about significantly reduced fuel milage, so having an 04 may not be a bad thing.

http://www.dieseltruckresource.com/

is a good source for info on Dodge/Cummins.

Jeff
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Old 09-09-2004, 05:11 PM   #4
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On a 2004.5 on the drivers side of the engine on the valve cover the label will state 325HP and the build date should be in 2004. A few engines were built in Dec 2003. Also the fan shroud will be attached to the engine with rod type brackets as opposed to being attached to the radiator only.
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Old 09-09-2004, 05:41 PM   #5
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I have one of each (2003 ETH 305/555 and 2004.5 ETH 325/600) They're both good and I wouldn't hesitate to buy either. There is about 10-15 rwhp difference, but the 555 gets 1-2 mpg better.

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Old 09-10-2004, 02:04 PM   #6
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When we take delivery of this truck tomorrow I will check on this. I do appreciate the timely responce to my question. Thanks again!

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Old 09-11-2004, 03:54 PM   #7
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Well we picked up our new truck this morning, and I checked to see what the sticker on the motor read. It is a 325HP model so I presume that makes it a 2004.5 right? This thing drove like a dream come true. With that CTD talking to me I was in some kind of heaven. Hey how come I got two batteries? From what I can tell they are both the same. What's up with that?

BigBob....I won't sleep tonight..
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Old 09-11-2004, 04:05 PM   #8
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More starting power at cold temps. Enjoy the new ride.
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Old 09-11-2004, 04:06 PM   #9
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2 batts are to ensure there is enough power to start properly (starter requires lots of amps) and the air intake grid heater on start when it is cold. 1 batt would not handle the load.
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Old 09-11-2004, 07:50 PM   #10
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Enjoy the new truck!
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Old 09-12-2004, 12:48 PM   #11
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We are enjoying this machine very much. We put 300 miles on it in the last 24 hours. That trip computer is giving interesting feedback. I reset before we started using the truck after the dealers use of it. It tells me that fuel mileage is on the 16.5-17.0 avg so far. I bet this will improve nicely, and if it doesn't we are still satisfied with it as is. Has anybody figured out an easy way to get in to flip that yellow water separator handle. My big paws don't like the access. Thanks to all who have wished us well with our new tow vehicle and helped with some questions too... no don't there will be more as time goes by, but thankfully this forum is loaded with the best/smartest folks around.

BigBob....
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Old 09-13-2004, 03:51 AM   #12
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Enjoy that truck.I got my first in 91 and they just keep getting better.Turbo Diesel Register has anything you would ever want to know about Dodge/Cummins
http://www.turbodieselregister.com/
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Old 09-13-2004, 03:27 PM   #13
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Dont you just love that truck.. I got one also and love it.. I use it for work and play and the power is a dream ..

What I have read from other forum on the water Separator, nobody ever had any problems ever with water except a few.. I did stick my hand down there and tested it though...

Congrats on your new truck..
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Old 09-14-2004, 04:38 PM   #14
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<BLOCKQUOTE class="ip-ubbcode-quote"><font size="-1">quote:</font><HR>Originally posted by Larry Schultz:
Enjoy that truck.I got my first in 91 and they just keep getting better.Turbo Diesel Register has anything you would ever want to know about Dodge/Cummins
http://www.turbodieselregister.com/ <HR></BLOCKQUOTE>

If you have a Dodge Diesel, I would also recommend the TDR. I have been able to learn a lot about my truck and have saved a lot of $$$ by learning from the others on the board.

Someday soon I hope we'll have our trailer and can put this truck to use the way it and we intended.

Juan
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