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Old 06-12-2018, 07:38 AM   #1
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DT466E HP Ratings and Differences

What are the physical differences in DT466E's between the different power ratings?

I'm shopping for a complete engine for my bus. I've got a 2003 DT466E that's rated at 215hp/540tq. Is the actual block assembly the same as the lower rated models?

Seems there are two families of DT's. ST and HT- or standard torque and high torque. I know the HT models have differences from the ST's such as turbo and injectors. Maybe pistons are different for the HT models. Not sure about crank or cam but I doubt it.
But ST DT's of this range of years are in 175, 195, and 215 ratings. HT's, I believe, come in 215, 230, and 250.

Anyone actually know the differences?

Can I simply plug my 215hp ecm onto a 195hp engine and make it 215?

If so this would make engine shopping a lot easier. I don't see many 215hp engines for sale.
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Old 06-12-2018, 10:36 AM   #2
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The HPOP gets upgraded as well in applications above 230HP I believe. As far as the lower HP levels go the only thing preventing you from taking a more powerful ECM and plugging it on to your lower HP engine would be injectors. I don't think the HPOP or turbo would need to be upgraded for that but the injectors may need to be.

Block is the same, crank, rods, cam, etc. I do believe that higher HP level engines do get different pistons though.
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Old 06-12-2018, 05:52 PM   #3
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The HPOP gets upgraded as well in applications above 230HP I believe. As far as the lower HP levels go the only thing preventing you from taking a more powerful ECM and plugging it on to your lower HP engine would be injectors. I don't think the HPOP or turbo would need to be upgraded for that but the injectors may need to be.

Block is the same, crank, rods, cam, etc. I do believe that higher HP level engines do get different pistons though.
I'm hoping my injectors and ecm will be all I need.

Thanks!!
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Old 06-12-2018, 06:56 PM   #4
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I've been following this thread... I have a 175hp DT466e. If I can find a 230 HP ECM and just be able to plug n play? That would be sweet...

John
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Old 06-12-2018, 07:09 PM   #5
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I've been following this thread... I have a 175hp DT466e. If I can find a 230 HP ECM and just be able to plug n play? That would be sweet...

John
So- yeah probably!??
230 STANDARD TORQUE possibly. But the High Torque 215, 230, and 250 engines have different hard parts. Different beasts! Bigger injectors, turbo, HPOP, and probably more as mentioned above.

Hopefully this thread gets us some REAL info as google has virtually nothing.

If we stay on topic and get to the core of the discussion it would also make for a GREAT sticky!
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Old 06-12-2018, 07:13 PM   #6
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I've been following this thread... I have a 175hp DT466e. If I can find a 230 HP ECM and just be able to plug n play? That would be sweet...

John
If someone has a spare ECM or one you could try that would be pretty cool to find out about.
I have a possible source of one you could try. Let me see what HP rating I can find for cheap of free. Don't hold your breath, but I will try!
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Old 06-12-2018, 07:57 PM   #7
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I've been waiting for Chris to chime in too... this kinda stuff is right up his alley!

Let's keep the fingers crossed...

Joh
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Old 06-12-2018, 08:07 PM   #8
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I've been waiting for Chris to chime in too... this kinda stuff is right up his alley!

Let's keep the fingers crossed...

Joh
I've been chatting with him via text. He seems to think the lower rated engines can be bumped up to the higher settings. But yeah I'd love to hear any ideas from him on this.
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Old 06-12-2018, 09:38 PM   #9
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I believe anything that is listed as standard torque all use the same components. The only difference may be the injectors and ECM. I believe all high torque engines got a larger volume HPOP, possibly different turbo, different injectors, and I believe they received a different piston to deal with the higher cylinder pressures and heat.

I like to use sites like this to look at all of the different injectors that came in the 466E over the years. The descriptions are not always 100% accurate so keep that in mind. My engine is a '98 230HP High Torque with 660 lb-ft of torque. It originally came with "BG" injectors but those were discontinued so the recommended replacement was "BJ" injectors. These injectors are good for a 250HP tune but I would assume my ECM would need to be reprogrammed to take full advantage of that extra 20HP.

International DT466E / I530E / DT466 Injectors | Alliant Power Injectors | Diesel Injectors | Buy Diesel Performance Parts | Huckstorf Diesel Pump and Injector Service Inc of Wisconsin
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Old 06-12-2018, 09:43 PM   #10
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He seems to think the lower rated engines can be bumped up to the higher settings.
Looking forward to any more info on this......I'm HP-challenged also.

Any knowledge of performance chips for the 466? I've seen advertised claims of 30% horsepower / 15% fuel increases, but very little discussion on this site about them.
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