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TCC duty cycle

Old 06-23-2013, 02:36 PM
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Default TCC duty cycle

Is setting my TCC duty cycle to 100 max 50 min ok? Car is 2002 Z28 with a Yank 4000 SS.I am new to this and I am hoping I am on the right track.Any recommendations would be appreciated. Thanks
Old 06-23-2013, 02:39 PM
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Set it to 100 max, 95 min. You don't want any slip with an aftermarket converter.
Old 06-23-2013, 04:37 PM
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Will you physically feel a difference with these settings?
Old 06-24-2013, 12:58 AM
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Yep it will lock up like a SOB
Old 06-24-2013, 06:17 PM
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Depends on the clutch setup in the convertor being used but I always setup the TCC tables with aftermarket convertors to not slip. By setting the TCC to 100% on Max and 95-99% on Min tables you will basically get an on or off setting on your convertor. Factory tunes are setup to slip to lockup so it doesn't jar you when lockup starts engaging. Like said you don't want slip with an aftermarket convertor just due to the smaller surface area and clutch materials being used.
Old 06-25-2013, 12:18 AM
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It's not unpleasant, just like adding another gear to the trans...


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