The no-walk bushing for the output shaft is a good install item while you're in there. I did a 48mod vacuum shift modulator kit, too. It uses engine vacuum to determine your shift pressures rather than electronic controls via the tune.
The no-walk bushing for the output shaft is a good install item while you're in there. I did a 48mod vacuum shift modulator kit, too. It uses engine vacuum to determine your shift pressures rather than electronic controls via the tune.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
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