Why Did Ford So Undertune This Truck? - Ford Powerstroke Diesel Forum
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Old 01-26-2012, 06:53 AM
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Why Did Ford So Undertune This Truck?

I'm curious as to your thoughts on why Ford undertuned the 6.4 trucks? Look how much more power is available with only a dpf delete, tuner, cai. And those that left the dpf on and just tuned their trucks see much better power. The EPA does not control how much hp & torque a vehicle can have so why did Ford choose to limit the 6.4 so much?
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Old 01-26-2012, 07:03 AM
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They actually overtuned it...

International only runs it at 300hp.

The pickup market only required ~350hp to be competitive. Mo' power, mo' problems

And the EPA does control power by controlling emissions. Just because you're running dpf-present tuning doesn't mean you're meeting EPA emissions regulations
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Old 01-26-2012, 07:28 AM
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You can tune any vehicle and get more power, to say ford us under powered I would say it has plenty of powerbto compete with my dodge untuned. Now I have a superchip compaired to my dodge with a smarty jr the dodge would have smoked it litterly, like black smoke an white smoke from the tires and gone before the ford can get off the line. I hate the turbo lag but truck has plenty of power
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Old 01-26-2012, 12:05 PM
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Every single vehicle is detuned, you can add more fuel and timing and get quite a bit more power to any vehicle.
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Old 01-26-2012, 12:36 PM
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EPA!!!!!!!
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Old 01-26-2012, 12:43 PM
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Ford has a little something going on with Spartan and H&S. Ford knows we will all run out and buy deletes/tuners, so they derate the truck from the factory, then Spartan/H&S gives them a little kick back. Hahaha
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Old 01-26-2012, 12:45 PM
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Quote:
Originally Posted by CT9AIX View Post
Ford has a little something going on with Spartan and H&S. Ford knows we will all run out and buy deletes/tuners, so they derate the truck from the factory, then Spartan/H&S gives them a little kick back. Hahaha
X2
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Old 01-26-2012, 02:12 PM
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My guess is for reliability and longevity. Believe the F450 and 550 run lower HP then the 250 and 350. The more power, the more dumba$$es there are out there abusing what they have causing nuisance warranty claims; explaining to the dealership, that they were just driving around doing some errands when they blew their tranny up. Even on the forum here, you see people returning back to stock before going to the dealership. I wouldn't put it past a few to tell a white lie to the service writer in order to get warranty repairs for free when they're driving habits are the root cause of the problem. Might as well de-tune/de-rate the HP and torque in order to save a few bucks on warranty claims.
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Old 01-26-2012, 03:35 PM
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I'm guessing Ford got their Pee-Pee smacked so hard over the 6.0 they weren't taking any chances. Truth is another bomb like the 6.0 would have sunk Ford in the diesel market for a long time.
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Old 01-26-2012, 06:48 PM
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my deal is.. build a truck thats dumba$$ proof
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