SCT Tuned trucks....6th (T/C locked) down**** to 5th/ - Ford Powerstroke Diesel Forum
6.0L Performance Parts Discussion What has or has not worked for you?

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Old 04-15-2010, 08:03 PM
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SCT Tuned trucks....6th (T/C locked) down**** to 5th/

Does anyone else have a problem with their custom tunes when they are cruising down the highway in 6th with the TC locked and try to downshift?

If you jump on the gas nothing will happen for like 2 seconds and then all of a sudden it will shift and buck like crazy. Really annoying and want to get this solved...
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Old 04-15-2010, 09:18 PM
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Whos tunes are you running? I do not have that problem with any of my tunes.
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Old 04-15-2010, 09:29 PM
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SRL from Matt @Gearhead
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Old 04-16-2010, 12:09 AM
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ill say with my tunes from innovative, i kind of have to get on it in order for it to downshift sometimes.
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Old 04-16-2010, 03:36 AM
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What size/brand are your tires? I would go look on your tire makers website, and find the correct Revs Per Mile (RPM's) for your tires. I''ve heard that many vendors are way off on their RPMs. So check that out and change it on your SCT.

Many people, after changing this, have noticed quicker downshifts.
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Old 04-16-2010, 04:59 AM
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Get a hold of Matt. He'll work with you to straighten it out.
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Old 04-16-2010, 05:48 AM
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Quote:
Originally Posted by MacbooknMyTruck View Post
What size/brand are your tires? I would go look on your tire makers website, and find the correct Revs Per Mile (RPM's) for your tires. I''ve heard that many vendors are way off on their RPMs. So check that out and change it on your SCT.

Many people, after changing this, have noticed quicker downshifts.
Yeah I just did that last night. It helped in all the other downshifts except for the 6-5.
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Old 04-16-2010, 06:44 AM
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You try pressing the od button? When I'm in my xtreme street file and start climbing a hill I will push it and it will downshift.
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Old 04-16-2010, 07:18 AM
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I might be wrong but i thought our trannys were only five speeds?
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Old 04-16-2010, 07:26 AM
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If you tap the brake, the tranny should shift back up. Works for me at least...
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