03 7.3 max HP - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 10 (permalink) Old 06-06-2013, 04:00 AM Thread Starter
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03 7.3 max HP

Whats the max HP on a 03 7.3 before bottom end lets go?
debating if I want to go with a 7.3 or 6.0
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post #2 of 10 (permalink) Old 06-06-2013, 05:13 AM
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Re: 03 7.3 max HP

Depends if it has PMRs or Forged rods.

PMR if the fuel is pulled out of it intill the higher RPMs Like around 2500 and up can live for a time at 400 plus..

With forged rods with the fueling the same as the PMS 600 plus.

The PMR do not like lots of torque...

And the Forged rods do not like compounds....

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post #3 of 10 (permalink) Old 06-06-2013, 05:22 AM
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Re: 03 7.3 max HP

03 has PMRs
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post #4 of 10 (permalink) Old 06-06-2013, 05:27 AM
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Re: 03 7.3 max HP

Quote:
Originally Posted by Iwantskate View Post
03 has PMRs
Some had forged rods....

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post #5 of 10 (permalink) Old 06-06-2013, 11:23 AM
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Re: 03 7.3 max HP

Ford started using PMRs in 2001. Check the motor serial number or pull the port plug to be sure...

Start of production thru 1425746 are Forged Rods.
1425747 thru 1440712 are Powdered Rods.
1446713 thru 1498318 are Forged Rods.
1498319 thru final production run are all powdered.
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post #6 of 10 (permalink) Old 06-06-2013, 06:26 PM Thread Starter
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Re: 03 7.3 max HP

thanks
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post #7 of 10 (permalink) Old 06-06-2013, 10:13 PM
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Re: 03 7.3 max HP

Quote:
Originally Posted by powerstroke cowboy View Post
Some had forged rods....
yep the ones that threw the pmr through the block and hot a new motor .

kainers got 548 on his freak show way back when..
I am sure tunes have come a long way but personally I would not go over 450.

bill at php had set a goal of 600 but last I saw was nowhere near that...time for an update.

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post #8 of 10 (permalink) Old 06-07-2013, 02:22 AM
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Re: 03 7.3 max HP

Quote:
Originally Posted by southmike View Post
yep the ones that threw the pmr through the block and hot a new motor .

kainers got 548 on his freak show way back when..
I am sure tunes have come a long way but personally I would not go over 450.

bill at php had set a goal of 600 but last I saw was nowhere near that...time for an update.

I can name off a couple guys that bought a 7.3L back in 2003 (ordered them right from the factory in 2003) That had forged rods.. There are more out there like that then we know about..

Just saying it has been the case.. Most will have PMRs some do not.

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post #9 of 10 (permalink) Old 06-07-2013, 12:08 PM
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Re: 03 7.3 max HP

Think I'll be checking my truck this weekend lol, but I know my luck.

2003 F-250 CCLB 7.3L
4" lift and PMF traction bar/block setup running 35s on 20x12s. Intake, exhaust, PHP Hydra w/ Gearhead tunes, gauges
2005 F-350 CCLB 6.0L
6" lift on 20x10s and 37s, studded, deleted, Powermax and Livewire with Quicktricks tunes, exhaust, intake (Wife's Truck)
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post #10 of 10 (permalink) Old 06-07-2013, 02:00 PM
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Re: 03 7.3 max HP

Just pull the plug and check it only takes few min.. What are your goals with this truck? Is it mint or so so condition, DD?
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