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Old 02-09-2017, 09:45 PM   #125
clinebarger
Senior Member
 
Join Date: May 2009
Location: Fort Worth, TX
Posts: 6,370
Re: 4L80E & TH400 Tech.

Quote:
Originally Posted by demian5 View Post
Is this a good thing to do if you have to pull the valve body for any reason?

I have to pull my VB to replace the plastic piston on the VB.

Any other suggestions while I am in there?

Its an 86 C20 with 57k OG miles. Never been apart. Shifts great, just no engine braking in 2nd only.
NO, You have to remove the center seal in the Direct Drum as well!

There are Shift Kits that "Dual Feed" the Directs without removing the seal.

Trans Go 400-1&2, And Trans Go 400-PRO.
The 400-PRO comes with a Aluminum 3rd Accumulator Piston.
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