Innovative Diesel Tune - Ford Powerstroke Diesel Forum
6.4L Performance Parts Discussion What has or has not worked for you?

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  #1  
Old 04-02-2014, 02:23 PM
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Innovative Diesel Tune

just got my Xtreme Race tune in for my 08 6.4 on the SCT9625OR and it's fantastic. the question I have is about the shifting, I know it will do a relearn after about 100 miles but should the downshifting also be a little rough too? I've notice the subtle jerk when coming to a stop. Also, I don't want hell about it, but occasionally on open track Fridays I throw this thing on the track against my buddy's trucks and their little imports, will it be just as rough regardless of relearn on the track? because before I was running the extreme canned tune that came with my SCT and it shifted smooth even on the track. just askin from someone's experience I guess. thanks.


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  #2  
Old 04-03-2014, 05:45 PM
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Originally Posted by 08StormTrooper View Post
just got my Xtreme Race tune in for my 08 6.4 on the SCT9625OR and it's fantastic. the question I have is about the shifting, I know it will do a relearn after about 100 miles but should the downshifting also be a little rough too? I've notice the subtle jerk when coming to a stop. Also, I don't want hell about it, but occasionally on open track Fridays I throw this thing on the track against my buddy's trucks and their little imports, will it be just as rough regardless of relearn on the track? because before I was running the extreme canned tune that came with my SCT and it shifted smooth even on the track. just askin from someone's experience I guess. thanks.


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I cant help ya cause I got a gear jammed but I will give ya a free bump.
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Old 04-03-2014, 05:57 PM
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my 6.0 does in tow haul. It will sometimes squall the tires down shifting, that is while braking. cant run tow haul when roads are wet.
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Old 04-03-2014, 06:15 PM
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Originally Posted by gone6.0 View Post
my 6.0 does in tow haul. It will sometimes squall the tires down shifting, that is while braking. cant run tow haul when roads are wet.
Mines the same way

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Old 04-04-2014, 02:41 AM
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No one is going to give you he'll about running your truck on the track. People tend to jump on people for street racing!!
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  #6  
Old 04-04-2014, 03:33 AM
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If you perform the trans relearn procedure right after you program it that should speed things up with the relearn process and odd shiffting behavior. However i believe u rather have a firm shift anywasys vs a softer on due to slippage in your tranny.
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  #7  
Old 04-04-2014, 03:39 AM
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STOCK TCM
1. From a stop, accelerate the vehicle to 60 mph at approximately 1/2 throttle.*DO THIS three times.

2. From a stop, accelerate the vehicle to 60 mph at wide open throttle.*DO THIS three times.


1. From a stop, accelerate the vehicle to 55-60 mph at approximately 1/4 throttle.*DO THIS TWICE.
2. From a stop, accelerate the vehicle to 65-70 mph at approximately 1/2 throttle.*DO THIS TWICE.
3. From a stop, accelerate the vehicle to 70 mph at approximately 3/4 throttle.*DO THIS TWICE.
4. From a 40 mph roll, press the accelerator to the floorboard quickly (forcing the truck to downshift) and accelerate to around 75 mph.
5. From a stop, acclerate to 75 mph at wide open throttle (press the accelator to the floor immediately).*DO THIS 2-3 TIMES.*
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  #8  
Old 04-04-2014, 04:29 AM
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Sounds to me like your TQ isn't unlocking when it should during a down shift. I had that problem with my 5.9 (Goerend Race Tranny).
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