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Why such a big difference in torque??

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Old Mar 6, 2010 | 11:16 AM
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Why such a big difference in torque??

I was in the general diesel forum and there are a few guys with newer trucks with 6.0L with their dyno numbers. I would be kinda disappointed with the torque numbers if it was me.
There was an '03: 510hp/721tq, and a '06: 425hp/670tq.

I dynoed my truck with just a chip, intake & exhaust a few years back, 275hp/650tq, 2 years ago added stage 1's, wildman chip, rebuilt trans; 325hp/736tq.

Are those 6.0L motors really that weak? I know they rev high and that's how you get hp . But for me to be almost 200hp less but still have more torque than that '03 seems goofy.
I just thought it was interesting. I've thought of upgrading sometime for a newer truck and know you can fix the 6.0L to make them run well, but with those torque numbers I don't think I'll bother.
 

Last edited by farmb0y; Mar 6, 2010 at 11:18 AM. Reason: edit
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Old Mar 6, 2010 | 11:51 AM
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could be yours was corrected,I dynoed last month and put down a weak 292hp and 536tq and i live a see level.
 
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Old Mar 6, 2010 | 01:07 PM
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I wouldn't put so much stock in the dyno numbers game. But I would take 420hp/670tq over 375hp/736tq any day of the week.
 
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Old Mar 6, 2010 | 01:12 PM
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You've also got to take into account the larger displacement of the 7.3
 
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Old Mar 6, 2010 | 02:36 PM
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Originally Posted by spdmpo
I wouldn't put so much stock in the dyno numbers game. But I would take 420hp/670tq over 375hp/736tq any day of the week.
I know not all dynos are equal and the same. But to me that's a pretty big difference that I've got ~200hp less but at least the same torque.

Why would you take 'more hp' over 'more tq'?? Just curious. I would much rather keep my numbers than trade for a 6.0L. But I guess it also depends on what you use your truck for.

I've always know it as: torque is how much work you can do, hp is how fast you can do it.
 
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