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Sequencial shifter

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Old Apr 18, 2026 | 08:41 PM
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Default Sequencial shifter

Has anyone installed a sequencial shifter on a C5/C6 Corvette T56 transmission?
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Old Apr 19, 2026 | 01:20 AM
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Have you found anyone making one? The ones I see for sale aren't for torque tube cars- just traditional T56/TR6060
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Old Apr 19, 2026 | 09:13 AM
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If you're talking about something like S1 Sequential, no. No one makes something like that for the Corvette. However, sequential transmissions are available for the C5-C7's.
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Old Apr 19, 2026 | 02:16 PM
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Who provides a sequencial transmission for C5 Corvettes? Thanks
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Old Apr 19, 2026 | 02:18 PM
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How much do you want to spend?

6xd has probably the best and strongest box/ diff available

PPG sells a sequential gearset for the T56 housing
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Old Apr 20, 2026 | 08:50 AM
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Originally Posted by fcable
Who provides a sequencial transmission for C5 Corvettes? Thanks
As mentioned above, there are several options. PPG is likely the most widely known. But that doesn't mean that it's the best for your application.

https://www.ppgearbox.com/corvette-s...al-gear-system

And then for what it's worth, some folks have been actively swapping in the GM 8L90 transmission into C5s. Those can be built by aftermarket shops to do some serious work. It just depends on what you're after and why you want to switch up your transmission action.
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Old Apr 20, 2026 | 09:12 AM
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The sequential shifters that are sold for T56/6060s are cool in theory... But horrible in reality.

The shift is too quick for synchronizers and blocker rings. For a faceplated gearset, it isn't too big of a deal as they need to be shifted as fast and forceful as possible.
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Old Apr 21, 2026 | 12:02 PM
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Originally Posted by mykream
The sequential shifters that are sold for T56/6060s are cool in theory... But horrible in reality.

The shift is too quick for synchronizers and blocker rings. For a faceplated gearset, it isn't too big of a deal as they need to be shifted as fast and forceful as possible.
For cars with NLS built in, it's not so bad. You can even reduce the amount of spark cut between shifts for quicker shifting recovery.
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Old Apr 21, 2026 | 12:08 PM
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Originally Posted by -ZEEOHSIX-
For cars with NLS built in, it's not so bad. You can even reduce the amount of spark cut between shifts for quicker shifting recovery.
I don't think you understand. The shifter physically shifts the gears faster than the synchros and blocker rings can handle. Has nothing to do with no lift shift.
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Old Apr 21, 2026 | 05:30 PM
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There was a guy named Duke Langley who tried to do this on a Ultimate Street Car C5 a few years back. I don't know if he ever got it working right

Awesome car regardless
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Old Apr 21, 2026 | 06:06 PM
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He did get it sorted out!

but he's on a 6XD and Winters diff

precovid it was a $30k system. I don't know what it costs now, but it's for sure the strongest trans and diff combo available for the C5/6/7 platforms
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