Quote:
Originally Posted by Carlrx7
what can be upgraded in an 06 corvette z51 t56 transmission?
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From what I have been able to find out, the evolution of the T56 goes like this: T56, T56 Magnum, and then the TR6060. Reportedly, the TR6060 is the smoothest shifting box of the 3, mainly due to its original design target of going into the Cadillac. The 6060 doesn't use the synchro keys like the original T56, so aftermarket billet keys aren't needed.
As far as the T56 in your year Vette, it already has multi piece blocker rings that the Cobra/LS1 T56 doesn't. This makes it smoother shifting than the other T56s. All you can do to the Vette T56 is put in the billet 3/4 synchro keys, the steel 3/4 shift fork, and bronze shift fork pads. There are upgraded Viper spec 30 spline output shafts available for the non-Vette versions that raise the torque rating of the gearbox. The Vette owners are screwed in this area due to the standard 27 sline output shaft needing to match up to the 27 spline pinion gear of the rearend.
Even though the T56 Magnum and the newest TR6060 are rated higher in torque capacity, consider that you don't hear of too many failures on the regular T56 after the above mentioned 3 upgrades. Most folks will usually have their clutch give up long before their T56 does with these 3 mods.
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Last edited by gearmesh, inc.; 01-19-2011 at 11:32 AM.
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