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Old 11-29-2012, 06:41 AM   #26
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Join Date: Jan 2008
Location: Ridgeland, MS
Posts: 5,403
My Ride: ZHP Custom Stage 3.5
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Originally Posted by SUHLeen View Post
This may be an ignorant question but what is the TCU?

And can the eco-tuning mod be done to a ZF tranny car?

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Transmission control unit or EGS.

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