SCT/Trans Question - Ford Powerstroke Diesel Forum
6.4L Performance Parts Discussion What has or has not worked for you?

 
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post #1 of 4 Old 10-10-2008, 10:54 AM Thread Starter
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SCT/Trans Question

I dont know if i asked this question or not but has anyone else noticed this?
When i am driving above 40mph and let off the accelerator i feel/hear a vibration in the floorboard until it hits 40mph and under. at 40 (probably 44or 45mph actually, speedos off) you can feel something disengage and its smooth down to zero. I didnt think i felt this with the first sct program i ran when i first got the truck.
i just had the new tune put in and its still there. i thought this might clear it up.
the new tune does seem to shift better but i dont think it has the power the previous tune did.
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post #2 of 4 Old 10-10-2008, 10:55 AM
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is the torque converter locked up maybe?

2005 F350 SRW CC LB King Ranch
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post #3 of 4 Old 10-10-2008, 11:12 AM
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Quote:
Originally Posted by baseballguy View Post
is the torque converter locked up maybe?
+1

Watch your RPM's. Your tourgue converter stays locked up untill lower speeds. I'm thinking to help maintian a smoother cost down instead of just loosing all power if power is needed. I notice kinda the same thing.

Call you SCT tunner and ask them.

Tyler T
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To some lucky SOB
2004 6.0 CC FX4 Lariat
It had all the right things missing or added

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IF YOU DO NOT STAND BEHIND OUR TROOPS....FEEL FREE TO STAND IN FRONT OF THEM!!!!!
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post #4 of 4 Old 10-10-2008, 02:04 PM Thread Starter
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i think its the convertor but i dont think the vibe i feel is normal. maybe some other people on here can chime in.
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