Tuning a 6.7 - Ford Powerstroke Diesel Forum

6.7 Performance Parts Discussion 6.7 Performance Parts Discussion

 
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post #1 of 9 Old 12-19-2013, 03:53 PM Thread Starter
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Tuning a 6.7

Is there anyone that can tune a 6.7 or are we stuck with canned tunes? I like how the truck drives stock but want more power. I have a H&S tuner on it now but it is not linear power. Feels sluggish right off idle then feels like you get full command at only quarter to half throttle. Anyone else have this issue?


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post #2 of 9 Old 12-19-2013, 07:19 PM
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What other mods do you have ?? There are a lot of ways to " widen " your power band and gearing plays a large portion in it . I would get an MCC unlock and give SPE a try there are guys on here running low 13s with minimal mods with the HotX tuning and I personally run a tow safe version ( boost maxes out at 23-24 and EGTs stay low ) and it is still very quick even on 35s with 3.32 gears.

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post #3 of 9 Old 12-19-2013, 07:30 PM
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I know of a guy going right into ford ecm and tuning it himself on dyno, look up rods wall and custom.

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post #4 of 9 Old 12-19-2013, 09:18 PM Thread Starter
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Originally Posted by Carli'd6.7 View Post
What other mods do you have ?? There are a lot of ways to " widen " your power band and gearing plays a large portion in it . I would get an MCC unlock and give SPE a try there are guys on here running low 13s with minimal mods with the HotX tuning and I personally run a tow safe version ( boost maxes out at 23-24 and EGTs stay low ) and it is still very quick even on 35s with 3.32 gears.
No mods, still sitting back and watching (researching) what the best turbo(s) to get. I do have a 4.5" lift with 35's with 3:31 gears. Will the MCC let me fix the sluggish bottom end and make power linear?


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post #5 of 9 Old 12-19-2013, 09:19 PM Thread Starter
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I know of a guy going right into ford ecm and tuning it himself on dyno, look up rods wall and custom.
Thanks, that is what I'm looking for. I will try and find it


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post #6 of 9 Old 12-20-2013, 06:38 AM
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I know of a guy going right into ford ecm and tuning it himself on dyno, look up rods wall and custom.
It's Walls Rod & Customs
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post #7 of 9 Old 12-20-2013, 09:45 AM Thread Starter
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Thanks, I called but their off for the holiday.


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post #8 of 9 Old 12-20-2013, 02:45 PM
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No mods, still sitting back and watching (researching) what the best turbo(s) to get. I do have a 4.5" lift with 35's with 3:31 gears. Will the MCC let me fix the sluggish bottom end and make power linear?


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I think the sluggish bottom end might be by design. We seem to have the ability to bend rods with too much low end torque. I think there's a definite balancing act between the rods, the weak turbo and the limits of the CP4.

The SPE hot tune is really pretty nice....but with the MMC...you can tune to your hearts content.

Good Luck,

Wayne

2011 F 350 Lariat Ultimate CC, SB 4x4 with 6.7 PowerStroke. Sterling Grey Metallic. Stock rims, tires. Shocks are Bilstein 5160's...what an upgrade over stock!

2013 PW Boss Mustang with aftermarket fully adjustable suspension, Team Dynamic 18"x10" race wheels and 305mm Continental race slicks at all four corners....O/R X pipe, 84.5mm TB, Airaid cai, 47 lb injectors...tuned by AED...Life is fun in this vehicle!
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post #9 of 9 Old 12-20-2013, 05:14 PM Thread Starter
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Originally Posted by Senderofan View Post
I think the sluggish bottom end might be by design. We seem to have the ability to bend rods with too much low end torque. I think there's a definite balancing act between the rods, the weak turbo and the limits of the CP4.

The SPE hot tune is really pretty nice....but with the MMC...you can tune to your hearts content.

Good Luck,

Wayne
Ya I agree with tuning to save the rods but it should be linear. I have calls into walls rods & customs, sheid's and demonic to see about tunes. I want to change turbos but kinda waiting to see how the new 15' works out. I will try SPE as well. Thx


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