... What is the published horsepower for said engine?

I understand that they are different from the earlier 2004 engines.

Thanks in advance.

 

325 HP

 

325/600 i think

 

exactly.........325/600...........I used to have one and would sure like to have it back

 

You're right, that's the published rating. I dynoed mine with it stock last year at the Fall Brawl. Torque was around 550 lb/ft and horse power was about 280, I believe. I never got the print out so I am going off my memory. Want to dyno again with the mods now and see what difference they made.

 

yeah 325 at the crank

 

and then with the reflash it magically made torque 610

 

Its 325 hp and 620 tq. this is at the crank

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Sorry 610 tq. these are spec from cummins.

 

its 325 hp 610 torque

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the hp and torque rating is on a sticker on the drivers side black cover over valve cover

 

This is correct.
I dynoed mine with nothing but the Quadzilla intake and stacks with no muffler and hit 317 hp and 589 torque.