Thread: tcc lock up
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Old 07-16-2008, 01:35 PM   #2
NEUMANNZZ
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Re: tcc lock up
your gonna need a custom tune.
O2 GMC RCSB 4.8L V8 AUTO 3.73's
rebuilt/beefed up 4L60E(at 43,000miles)
TRAIN HORNS(see pics in my gallery)
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