Torgue Converter Lockup - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 14 (permalink) Old 05-19-2011, 02:10 PM Thread Starter
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Torgue Converter Lockup

03 f350 6.0 - @ crusing speeds the torque converter stays locked, but during decel it unlocks, then back on throttle it locks again (bugging the crap outta me). Are there any mods (sct tuner etc), or do I need to change torque converter, or go to Allison transmission. thanks
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post #2 of 14 (permalink) Old 05-19-2011, 02:15 PM
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Re: Torgue Converter Lockup

The allison is nothing but crap if you throw power at it.

Is your truck tuned or stock? If its stock get the truck tuned, you can keep it with stock levels but get the transmission tuning with the stock maps smoothed out. Matt @ Gearhead I hear has an awesome file like this. Any of the tuners can do this for you.
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post #3 of 14 (permalink) Old 05-19-2011, 02:24 PM Thread Starter
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Re: Torgue Converter Lockup

My truck just has an economy chip on it, nothing major. Ok kool I'll check it out, my only issue is to keep the torque converter locked up when foot is off the throttle. Luv the truck. thanks
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post #4 of 14 (permalink) Old 05-19-2011, 04:12 PM
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Re: Torgue Converter Lockup

a custom SCT tune can change the converter lockup however you want it.

2004 F-350 SC 4x4 6L....little bit of this...little bit of that
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post #5 of 14 (permalink) Old 05-19-2011, 06:11 PM Thread Starter
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Re: Torgue Converter Lockup

Ok kool I did read that, but what about when you take foot off the throttle, will it stay locked then?? That's the part that drives me crazy. thanks
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post #6 of 14 (permalink) Old 05-19-2011, 06:23 PM
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Re: Torgue Converter Lockup

my tunes from truck source diesel keeps the converter locked when i let off. My quick tricks tunes dont.
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post #7 of 14 (permalink) Old 05-19-2011, 06:40 PM Thread Starter
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Re: Torgue Converter Lockup

Awesome that is exactly what I was looking for

Bobby

03 F350 SD Super Crew Lariat, Jawdropper chip (for economy), 5" stainless exhaust, 2" leveling front mini-pack system
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post #8 of 14 (permalink) Old 05-19-2011, 06:43 PM
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Re: Torgue Converter Lockup

you got it, tell them you dont want it to unlock at all, because my truck source tunes unlock after a a little bit of off throttle cruising (say down a hill) are you using tow haul mode? In tow haul mode on my tunes in tow haul it never unlocks it down shifts keeping it locked
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post #9 of 14 (permalink) Old 05-19-2011, 07:01 PM Thread Starter
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Re: Torgue Converter Lockup

No I dont tow heavy enough to use the tow/haul. I just hate when I go down a hill & let off throttle - the darn torque converter unlocks

Bobby

03 F350 SD Super Crew Lariat, Jawdropper chip (for economy), 5" stainless exhaust, 2" leveling front mini-pack system
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post #10 of 14 (permalink) Old 05-20-2011, 01:25 AM
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Re: Torgue Converter Lockup

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Originally Posted by onevols33 View Post
Ok kool I did read that, but what about when you take foot off the throttle, will it stay locked then?? That's the part that drives me crazy. thanks
like said, it's all in the tuneing. If you want it locked...your tuner can make it happen, if you don't...he can also do that. Custom tunes are the way to go.

2004 F-350 SC 4x4 6L....little bit of this...little bit of that
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