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Old 11-03-2014, 10:32 AM
WSSix WSSix is offline
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Default LT1 T56 upgrades

Are there any tips or tricks that should be followed when upgrading a T56 to make it shift better and just be even better than it already is? Or, is it really just a matter of replacing the known weak components with a quality kit and calling it good? I've never messed with transmissions before so I figured I better ask so I can be prepared when I do go into mine.

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Current rides: 2000 BMW 540i/6 and 86 C10.

Former ride: 1979 Trans Am WS6: LT1/T56, Kore 3 C5/6 brakes, BMW 18in rims
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Old 12-06-2014, 11:29 AM
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gnx7 gnx7 is offline
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The shifting quality as per say won't really improve; however common upgrades are steel 3/4 shift fork (factory is alum and bends over time), billet keys (factory are stamped metal), and bronze fork pads (factory are plastic and can deform).
These bring the power rating up to 600rwtq. We have run one in this Stage2 config with 1000rwhp+ and no issues. It was a 3000lb car with driver and never launched hard (9.20@162mph best).

The new style blocker rings are also carbon lined vs the older style which are not. Unless your synchros are worn out these upgrades won't make it shift better. The GTO style triple synchro trans shifts better... And the T56 magnum (tr6060) is the best.
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Project: 1969 Chevelle, alum 5.3, GTS76 turbo, Chiseled Perf A/W intercooler, Holley Dominator EFI, Davis TC, JRi coilovers, 14" brakes, T56 Magnum. CTS-V Recaro seats!
Coffey Fabrication Nashville, TN doing the fabwork! 800rwhp+/25mpg+/9's@150mph goal
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1993 Mazda FD RX-7, built LS7, T56 Magnum, Holley HP, Davis Tech TC, 8.8" 3.73 Cobra IRS diff, DSS axles, Ohlins coilovers, big brakes.
CCW 18x11 front 315/30/18's and 18x12.5 rear on 335/30/18 RA1's, 2850lbs
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Old 12-07-2014, 04:41 PM
WSSix WSSix is offline
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Thanks. I appreciate the response and information.
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Trey

Current rides: 2000 BMW 540i/6 and 86 C10.

Former ride: 1979 Trans Am WS6: LT1/T56, Kore 3 C5/6 brakes, BMW 18in rims
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