Thread: Why is my 1st to 2nd shift so hard?

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  1. #1 Why is my 1st to 2nd shift so hard? 
    Andrew_99GTP
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    Default 04-26-2008
    After I installed the mods in my sig my car has a hard time shifting from 1st to 2nd under heavy load. It will almost free rev for a sec then slam into 2nd. 2nd to 3rd is fine though. I have not touched any of the tranny files so I am hoping it is something in there.
    Red 2dr 99 GTP"Old" Z7 t66, A/A IC'd, Custom Heads, 65# Inj, ST2 Cam, Meziere Elec Pump, JP Double Roller(with machined crank gear), Plogs, PLX W/B, Powrtuner SOLD

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  2. #2 Re: Why is my 1st to 2nd shift so hard? 
    Sabrewings
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    Default 04-26-2008
    I wonder if it has something to do with you not having the TAC?
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