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TH400 Automatic Shift Transbrake

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Old 05-09-2011, 12:26 AM
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Default TH400 Automatic Shift Transbrake

is finally here.

Picked up the pieces from the machine shop last Friday. Installed them in a customer's TH400 Saturday for testing behind a 582 BBC.

This is a hydraulically activated transbrake. It functions when the transmission is shifted into low gear. You launch the car by shifting to 2nd gear.
The transmission then automatically shifts off the governor, and you can then manually shift to 3rd or bump the shifter to 3rd and let it shift through all the gears automatically.

In Drive (3rd) it shifts normally, has detent function, modulated line pressure, etc.

We will have initial track testing done within the next two weeks, and should also have our new design valve body seperator plates back by then that work well with this design.

We are offering them for no additional cost on any TH400 build as a promotion for a limited time.

They will be sold as an upgrade to our units or as a valve body assembly for other builders in the future.
Old 05-09-2011, 02:07 AM
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interesting
Old 05-10-2011, 02:27 PM
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any idea on the price for that unit ??
Let us know when you test it at the track.
Old 05-10-2011, 03:19 PM
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It will be $250 as a valve body assembly.

We'll be installing it for no extra cost on TH400 builds for a few units.
Old 05-10-2011, 04:49 PM
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will you have these for 4l80s also? im looking for one that will let me pop it in drive after launch and use the computer control
Old 05-10-2011, 05:47 PM
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We released our 4L80e transbrake over a year ago. It works with automatic control or full manual.



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