power potential 03? - Ford Powerstroke Diesel Forum
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post #1 of 7 Old 02-19-2008, 10:25 AM Thread Starter
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power potential 03?

just wondering what the potential to make good power is with an 03 7.3l, i know its ratings are lower than the 6.0l but its a much bigger motor, any input would be great
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post #2 of 7 Old 02-19-2008, 10:29 AM
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About the same as anyother 7.3... 650-750... With a fully built top end, bottom end, injectors, turbo (or turbos), Nitrous, Water-meth... and a tranny....


With just a chip, intake, exhaust... your about 300hp...

Your 03 has PMR's (Powdered Metal Rods) so without tearing into the bottom end you are limited to about 390-420... The Forged Rods seem to be safe to about 500-550...

01 F-250 SC PSD,320k,16 Isspro Gauges, AFE-2,CCV Mod,IAH delete,map reg,Modded H2e, 6.0 IC, 230/100 from P.I.S, Studs, 910 springs, Forged rods, Water injection,Hydra chip-No Limit/Gearhead tuning, Swamps HVHF IDM, MBRP 4" dual's, Aero, 6" tip's, 4" Revtek lift, 37/12.5/16.5 MT's
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post #3 of 7 Old 02-19-2008, 10:35 AM Thread Starter
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thanks for the input, what year is better? also what mods would you suggest for towing
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post #4 of 7 Old 02-19-2008, 10:45 AM
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If you not looking at really moddin the truck the 03 is the nicest year of the 7.3...

Chip, intake and exhaust, a good set of gauges. That will make a nice tow rig. Save a bit for a Valve body for the tranny and an ATS compressor housing for the turbo.

01 F-250 SC PSD,320k,16 Isspro Gauges, AFE-2,CCV Mod,IAH delete,map reg,Modded H2e, 6.0 IC, 230/100 from P.I.S, Studs, 910 springs, Forged rods, Water injection,Hydra chip-No Limit/Gearhead tuning, Swamps HVHF IDM, MBRP 4" dual's, Aero, 6" tip's, 4" Revtek lift, 37/12.5/16.5 MT's
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post #5 of 7 Old 02-19-2008, 10:47 AM Thread Starter
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thanks again, whats the purpose of upgrading the turbo, is the stocker just a poor set up? what about inter cooler upgrades?
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post #6 of 7 Old 02-19-2008, 11:02 AM
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Stocker is known to surge... which will destroy it in short order.

The ATS housing will eliminate it.

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post #7 of 7 Old 02-19-2008, 11:22 AM
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You could add a Sperco IC to that mix, but at stockish power levels its not nessasary.

01 F-250 SC PSD,320k,16 Isspro Gauges, AFE-2,CCV Mod,IAH delete,map reg,Modded H2e, 6.0 IC, 230/100 from P.I.S, Studs, 910 springs, Forged rods, Water injection,Hydra chip-No Limit/Gearhead tuning, Swamps HVHF IDM, MBRP 4" dual's, Aero, 6" tip's, 4" Revtek lift, 37/12.5/16.5 MT's
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