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Old 01-19-2018, 11:23 AM   #1
Justinsixseven

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68RFE and TCC Tuning Question

Is there any way to make the torque converter tighter off the line so the truck doesn't feel so laggy? Tuning wise. I know getting a different stall would obviously help but in terms of the stock TCC.


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Old 01-19-2018, 08:52 PM   #2
sootie

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Its a fluid coupler. No way to change tightness with tuning, it will require internal modifications.
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Old 01-20-2018, 09:42 AM   #3
Justinsixseven

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Its a fluid coupler. No way to change tightness with tuning, it will require internal modifications.


So only way to do it is to change the stall?


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Old 01-20-2018, 10:14 AM   #4
BRE
 
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Yea you canít change stall speed any other way...


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Old 01-20-2018, 10:45 AM   #5
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Higher viscosity oil will tighten up the converter some.

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Old 01-20-2018, 11:10 AM   #6
BRE
 
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Higher viscosity oil will tighten up the converter some.

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Do the 68ís like that? I know we can get away with it in 47ís and 48ís...


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There really is nothing better than OEM. That goes for anything from turbos to boobs.
RIP Dex KCCO
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Old 01-20-2018, 11:13 AM   #7
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Do the 68ís like that? I know we can get away with it in 47ís and 48ís...


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Yeah, I'm not sure. I don't think it would be a problem but I have zero experience on the 68's.

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Old 02-09-2018, 10:15 AM   #8
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What's your current status? Stock, tuned, tuned and deleted?

The difference in tunes by a tuner that's good at the 68s is huge. Revmax has a list of approved tuners and those guys are generally the ones to stick with.
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Old 02-09-2018, 10:38 AM   #9
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What's your current status? Stock, tuned, tuned and deleted?

The difference in tunes by a tuner that's good at the 68s is huge. Revmax has a list of approved tuners and those guys are generally the ones to stick with.
Jonathon at HPP I hear has some neat 68 tricks.
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Old 02-21-2018, 11:25 PM   #10
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Forgive me if this is off subject but I just got a 2010 that already has efi live, has a built trans also. How would I know if the trans has been tuned? I don't even know who tuned the truck. (Considering having it tuned cause that's kinda driving me nuts)
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