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Old 06-03-2013, 05:26 PM
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F-550 horsepower

I just bought a 2013 F-550 and noticed the horsepower rating on this truck was only 300hp. Dealer said this was because the rear ends could not handle the extra hp when combined with the extra towing capacity. Personally, I think they could handle what ever you can put behind them legally. Is there a way to kick the power back up to what the 350's are?
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Old 06-03-2013, 06:03 PM
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Its all in the tuning.
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Old 06-03-2013, 07:14 PM
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I got a 07 550, Its got some get up and go in her, But not as much as my buddies 250. I got 4:88s behind my rig. It may not go fast, but it'll sure pull whatever you put behind it.


Tom
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Old 06-03-2013, 10:24 PM
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Legally yes, but using a tuner will void your warrenty.

You can use a tuner legally, as long as all EPA BS is left on the truck and still functions. But whats the point of a tuner, if you are not going to delete?
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Old 06-04-2013, 06:53 AM
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Legally our 2013s have a better tune from factory so we have more horsepower then the 2011s.
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Old 06-04-2013, 07:44 AM
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the 550s and 450s have a different turbo i believe it does not all have to do with the tuning
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Old 06-04-2013, 07:52 AM
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same turbos different waste gates.
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Old 06-04-2013, 08:16 AM
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Quote:
Originally Posted by 2013F250Tank View Post
Legally our 2013s have a better tune from factory so we have more horsepower then the 2011s.
can you elaborate on this?
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Old 06-04-2013, 06:25 PM
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The rear differential is not the limiting issue. The engine is de-rated to allow for a higher duty cycle. The C&C trucks have to be designed to handle the legal limits of the truck. If one takes an F550 and rigs it out with a service bed, 7500 lb crane, air compressor, tools,etc to the point the truck is 19K+ lbs. Then hooks a parts trailer to the bumper weighing 7K lbs. The engine/transmission has to be ready to handle it. The 400/800 rating would cause pre-mature wear and/or parts failures. By de-fueling the engine, the parts will last longer.
The C&C trucks have different software and turbocharger. The C&C trucks do not have an exhaust brake.
You could mod, programmer, delete the truck. But you would have a brand new truck with no waranty should something go wrong.
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Old 06-04-2013, 08:25 PM
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Quote:
Originally Posted by 2013F250Tank View Post
Legally our 2013s have a better tune from factory so we have more horsepower then the 2011s.
IDK what you are talking about. I was talking to the OP, not you.
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