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  #1  
Old 02-20-2013, 12:03 PM
sundance1 sundance1 is offline
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2 different 6.2s???

I was looking at the specs for the 6.2 in the Superduty and it showed 385hp and 405tq but the specs for the 6.2 in the F150 shows 411hp and 434tq for that 6.2. Why would they put a less powerful version 6.2 in the Superduty? What am I missing?
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  #2  
Old 02-20-2013, 03:09 PM
8iron 8iron is offline
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The 6.2 in the f150 gets a hotter cam and ratings are with high octane premium gas. 6.2 in the SD's are slightly detuned for longevity under heavy use.
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  #3  
Old 02-20-2013, 03:58 PM
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RAPR
what 8iron said is exactly correct. With it mainly being used to pull loads, it is expected that the truck will likely be running at elevated rpm's for extended periods. Ford wanted the engine to be able to handle this type of abuse. Also, with Ford having the idea in mind that most of the F-250 6.2L trucks would probably be company fleet trucks, they want to make sure they would last...regardless of the abuse the driver gave it.

I use to be provided a company vehicle for work/personal use, and even I had the tendency to ride it hard and hang it up wet. That is just the nature of how a company vehicle ends up being treated, since the drive does not have any ownership of the vehicle and doesn't care about getting 2mpg having a company gas card.
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Old 03-05-2013, 11:56 PM
WhiskeyTangoFoxtrot WhiskeyTangoFoxtrot is offline
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This is for under (385hp) vs. over 10,000 GVWR. 6.2L
from:
2013 Ford Super Duty | View Full Engine Specifications | Ford.com

Horsepower/rpm


385 @ 5500 316@ 4179











Torque lb.-ft./rpm


405 @ 4500 397 @ 4179















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  #5  
Old 03-06-2013, 09:36 AM
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The 6.2 in the SD lineup has the same hp/tq, just rated at different RPM's for our wonderful folks at the EPA...
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Old 03-06-2013, 10:09 PM
WhiskeyTangoFoxtrot WhiskeyTangoFoxtrot is offline
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Got it. Thanks. I wondered about that.
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Old 11-06-2013, 12:27 AM
moosesp moosesp is offline
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Confused?

Okay, so I'm a little confused. It states an under 10,000 gvwr hp rating and an over 10,000 gvwr rating. Are the engines in the trucks over 10,000 gvwr de-rated even further with only 316 hp and less torque. I sure hope this isn't the case because I just ordered an F350 with the 6.2 liter.
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Old 11-06-2013, 03:33 AM
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Quote:
Originally Posted by moosesp View Post
Okay, so I'm a little confused. It states an under 10,000 gvwr hp rating and an over 10,000 gvwr rating. Are the engines in the trucks over 10,000 gvwr de-rated even further with only 316 hp and less torque. I sure hope this isn't the case because I just ordered an F350 with the 6.2 liter.
Nope, its the same engine and tune. The over 10,000 has a rating taken at lower RPM...different measuring standard for the heavier truck.
ITS THE SAME ENGINE on the over 10,000!
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Old 11-06-2013, 09:37 PM
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Originally Posted by ATP Pilot View Post
Nope, its the same engine and tune. The over 10,000 has a rating taken at lower RPM...different measuring standard for the heavier truck.
ITS THE SAME ENGINE on the over 10,000!
Thank you for clarifying this! I feel way better now about my decision.
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Old 11-06-2013, 10:39 PM
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Quote:
Originally Posted by ATP Pilot View Post
Nope, its the same engine and tune. The over 10,000 has a rating taken at lower RPM...different measuring standard for the heavier truck.
ITS THE SAME ENGINE on the over 10,000!
you are correct. Same motor,just rating tested a little differently.
I think the Raptor does have a hotter cam though.
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Old 11-06-2013, 11:32 PM
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Quote:
Originally Posted by moosesp View Post
Okay, so I'm a little confused. It states an under 10,000 gvwr hp rating and an over 10,000 gvwr rating. Are the engines in the trucks over 10,000 gvwr de-rated even further with only 316 hp and less torque. I sure hope this isn't the case because I just ordered an F350 with the 6.2 liter.
It's a hot rod engine in the F350. You will like it!
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Old 11-20-2013, 08:29 PM
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also you got to realize that engines are rated on the dyno fully dressed with accessories the f-150 has electric cooling fans and the super duty has a huge mechanical fan. Im sure that plays a part.
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  #13  
Old 11-20-2013, 09:38 PM
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Originally Posted by fstrthnu373 View Post
also you got to realize that engines are rated on the dyno fully dressed with accessories the f-150 has electric cooling fans and the super duty has a huge mechanical fan. Im sure that plays a part.
Sounds like an opportunity for a performance increase!

By the way, if you get the 6.2 and throw in the 4.30 gears, you can get serious "all the way down the street" rubber if you hit the switch on the dash that defeats the traction control and hit the other switch that puts the tranny in Tow/Haul mode.

Not that I would have ever done such a thing, of course!

-Joe (now looking for Raptors to pick on...)
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Old 11-20-2013, 10:20 PM
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Quote:
Originally Posted by Powelligator View Post
Sounds like an opportunity for a performance increase!

By the way, if you get the 6.2 and throw in the 4.30 gears, you can get serious "all the way down the street" rubber if you hit the switch on the dash that defeats the traction control and hit the other switch that puts the tranny in Tow/Haul mode.

Not that I would have ever done such a thing, of course!

-Joe (now looking for Raptors to pick on...)
Of course !

Yeah I have noticed the same thing. I often turn off traction control because my truck is faster with it off. No doubt.
Turn off T/C, turn on tow/haul, and knock it down to 3 speeds, then, hold on tight..........................!
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Old 11-20-2013, 10:20 PM
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