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Dodge Competition and Performance General Dodge Competition and Performance Discussion |
09-14-2009, 01:09 PM
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#1
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Name: " THE DEMIZE"
Title: "Talkin Big Boy Ice"
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Join Date: Apr 2009
Location: Hillsboro,ohio
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Pro's con's of 03/04 common rail engine's?
Im in the market for a engine whats the difference in the 03 and 04 engine's rather then the 05's sorry not a cummins guy
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Steve-0
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09-14-2009, 01:20 PM
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#2
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Name: GOT-Torque
Title: is
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To start with:
slightly different piston design (re-entrant design vs. non re-entrant for the 04.5+) - I think I stated that right...
2 injection events vs 3 for the 04.5+ engines.
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09-14-2009, 04:27 PM
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#3
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Name: " THE DEMIZE"
Title: "Talkin Big Boy Ice"
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so .....is there power hidden in the 03-04 engines ? can i change /convert it over to what a 05 spray events?
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Steve-0
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09-14-2009, 04:28 PM
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#4
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Name: cashwheel
Title: bolt on warrior
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I don't think you would want to. the 04.5+ seem to have more of a problem burning pistons.
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Kent -
'04 Dodge dually 555 NV5600 4x4- 62/65/12, Opie's MITUSA, tuning by CT Performance, Hamilton Cams 110# springs, gauges by Speedhut, rolling on "almost dubs" ---SOLD
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09-14-2009, 04:32 PM
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#5
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Name: GOT-Torque
Title: is
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x2...
Decent power can be made with either one. I'd stick with the 03-04 engine given the # of later ones burnt up recently...
I don't think the 3rd injection event makes any additional power, it was for emissions. There are actually a few guys that are swapping to an 03-04 ECM just so they can loose the 3rd event...
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09-14-2009, 04:41 PM
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#6
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Name: cranked_dodge
Title: Diesel Pro
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Are you asking about the 04.5 motor or the 04 motor cause there is a difference there. the 03-04 are the same unless you get the 04.5 then you have the 325 hp motor instead of the 305 motor
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09-15-2009, 12:04 AM
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#7
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Name: 'strokeThis_'07
Title: Too Much Time
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Pistons are different, injectors are different, 03/04 turbo is smaller, ECM is different. 03/04 heads have push-in valve seats and I believe its 04.5+ have machined valveseats. 03/04 have had dropped valve seats if they get hot. I think its pretty common for those guys to swap to a later head...
Mild mods, say intake/exhaust/programmer, an 04.5-07 will pretty much always make more power and be quicker, on account of the turbo and 3rd injection. Now, get into heavy mods (turbo(s), injectors, modded pump/dual pumps, etc.) the 03/04 trucks seem to be a better platform for making big power. To date, I dont believe there has been a later truck over 1000 on fuel, maybe even 900, however I can think of a couple 03/04 trucks off the top of my head that are over 1000 on fuel, due to differences in the ECM I believe
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09-15-2009, 11:58 AM
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#8
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Name: Kman9090
Title: Too Much Time
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Next motor I blow I nam going with the 03-04 seems like npeople have less problems with them... Alot less blown motors as well.
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09-15-2009, 03:07 PM
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#9
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Name: SPEEDSHIFT
Title: Too Much Time
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I would use a 03 block/ECM/inj with a 04.5+ head, and 24vVP rods if you had a choice.
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