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Thread: 2004 F-250 vs 2005 F-250 power??

  1. #1
    SoCAPS Member BGRAIDERS323's Avatar
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    Lightbulb 2004 F-250 vs 2005 F-250 power??

    Whats up Guys? I have a 2004 F-250 6.0 diesel, ive had it for a year now, and I just bought a 2005 F-250.

    My question is, has anybody ever noticed a Power/Resposive difference between both of them?

    I feel like my 2004 is more responsive and passing gear kicks in harder then my 2005 truck.

    Theyre Both STOCK!

    and its not just this 2005 that feels like that ive tried different 2005 F-250's and they feel the same.

    Feels like the 2004 has more kick to it and better throttle response.

    Could it be the 10 vane turbo it has? Just wanted to know if any of you guys felt the difference?????

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    SoCAPS Member SteveBricks's Avatar
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    A lot of people feel that the 03/04 programming strategies make the truck run a little quicker.
    '06 F250 KR CC SB 4WD

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  3. #3
    SoCAPS Member BGRAIDERS323's Avatar
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    So youve felt the difference as well? is it the ficm thats programed different? or just ECU programming?

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    SoCAPS Member SteveBricks's Avatar
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    Just the PCM (ECU) programming.

    I've never owned or driven an 03/04 so I'm not speaking from experience, just passing along what I've heard and read.
    '06 F250 KR CC SB 4WD

    Bulletproof EGR cooler
    Dieselsite Coolant Filter
    ARP studs
    Garrett Powermax
    Special thanks to Domestic Diesel Shop and Riffraff Diesel Performance
    NHRDA #4698

    9/21/54 - 9/25/09

  5. #5
    SoCAPS Member BGRAIDERS323's Avatar
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    Quote Originally Posted by SteveBricks View Post
    Just the PCM (ECU) programming.

    I've never owned or driven an 03/04 so I'm not speaking from experience, just passing along what I've heard and read.

    alright thanks for the info, ill do some more research.

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    Is your truck an 04.5 or a true o4?

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    SoCAPS Member BGRAIDERS323's Avatar
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    Quote Originally Posted by matt@diesel powerhouse View Post
    Is your truck an 04.5 or a true o4?
    I'm thinking its a true 2004 cause it has a 2003 motor.

    but it responses with a sharper more crisp pull.

    the 2005 still has the power just not as responsive, the kick on it isnt as hard. is it the pedal adjustment have to do with it?

    I'm not worried about it, just like how my 04' feels better lol

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    I have an 04 excursion yes the power hits harder on the 03 04 but the power tapers off the 05 tend to be smooth all the way threw the powerband I've driven them all and I feel the 05 is faster all around. The 04.5 to me seem to pull the hardest I know the strategies are different between all those years but out of all the years when tuned with the same tuner the 05to07 pull the hardest I believe in the later years of the 6.0 they were a little detuned to pass smog plus it depends if you have the latest flash on your 05 the last flash ford put out gave it a little more power.

  9. #9
    SoCAPS Member BGRAIDERS323's Avatar
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    Quote Originally Posted by matt@diesel powerhouse View Post
    I have an 04 excursion yes the power hits harder on the 03 04 but the power tapers off the 05 tend to be smooth all the way threw the powerband I've driven them all and I feel the 05 is faster all around. The 04.5 to me seem to pull the hardest I know the strategies are different between all those years but out of all the years when tuned with the same tuner the 05to07 pull the hardest I believe in the later years of the 6.0 they were a little detuned to pass smog plus it depends if you have the latest flash on your 05 the last flash ford put out gave it a little more power.
    Oh wow, thanks for the info. Yeah i do notice the smoothness on the 05'. but the pedal does feel softer on the 2005. on the 2004 its a bit more stiff gives you more of a feel to when you give it throttle.

    but thanks again for the info

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