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Th400 Pro Tree Transbrake Valve Body

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chris718

Active Member
Joined
Dec 10, 2002
Messages
5,356
TILL DECEMBER 1ST.339.00 SHIPPED .THE SHORTEST PATH TO THIRD GEAR PERIOD,NO VENT IN HIGH GEAR / BRAKE CIRCUIT.CHECK OUT THE LINKhttp://www.ckperformance.com/resources/GMTH400VALVEBODIES.html
 
heres the deal on the valve body.there are 2 ways to charge the direct clutch.the first is the industry standard ,the very long direct clutch passage in the case.standard on the aluminum griner,tci,bte,coan ,kilgore ,rossler,hughes,bm,etc.some of these especially griner ,kilgore and rosslers works exceptionally well in using that methodology.the second way is mine.i delete the stock direct clutch passage totally.i use a new circuit that is 2 cubic inches of oil volume from the manual valve to the direct clutch.this is the fastest way to apply the direct clutch and also to release the clutch pack when dumping the brake because of the secondary spool valve that splits the direct clutch from the manual valve during brake apply .on the dump we go right out the opened manual valve port in the casting.no one has done it more efficient.i didnt invent the brake but i certainly have the most efficient design in production from anyone at this time.third gear shift is xcomplete before the rooster comb is fully engaged in high.:eek: also have a check ball that orifices and unloads the band after the car is moving in first so you dont beat the rear spring and rollers
 
ALSO NO T BRAKE APPLY for reverse(unheard of in pro tree designs that work),instant brake setup at low rpms.
 
Any chance this special has been extended?

Can this unit be installed without transmission removal by chance? Going to the information page shows a spring package. My guess is that it is to help release clutches on disengagement.

I recently acquired a TH400 and am shopping for a good transbrake that I can install.

Thanks,
John
 
Thanks Chris,

I'll call your shop Monday or after the new year if you'll be in.
 
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