TRNW-2: 8L90, shift kit

[Fred Whitaker]

 So far I have only used the Transgo VB kit and damper kit with success. But I have probably done less than 5.
  I see they also have a valve/reamer for S4 which I do not have. They must of recently come out with S4 stuff?
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From: trnw2-bounces at trnw.net <trnw2-bounces at trnw.net> on behalf of Steve Everett via trnw2 <trnw2 at trnw.net>
Sent: Friday, May 16, 2025 10:08 AM
To: tucker tuckertrans.com <tucker at tuckertrans.com>; Technical Discussion Forum <trnw2 at trnw.net>
Subject: Re: TRNW-2: 8L90, shift kit

 i have only used the Sonnax kits on these,  the first 2 or 3 I built I had zero issues with,  the last two I built I had issues with the clutch control valves causing codes, I never really figured out the cause,  as when I checked them after pulling the valvebody they were never dragging or sticking,  the two trouble vehicles finally went away,   but the next one I build I'm going to use the transgo stuff and see what results I get,  surprisingly the transgo stuff is more expensive, at least initially,  and its usually the other way around ?

   Steve

On Fri, May 16, 2025 at 10:51 AM tucker tuckertrans.com<http://tuckertrans.com> via trnw2 <trnw2 at trnw.net<mailto:trnw2 at trnw.net>> wrote:
We like the Sonnax acc, BUT if the bore is worn badly we go with the Transgo.  AFL are bad to wear and we use transgo.  Sometimes we just put a valvebody on it, if we have it in stock.  They sure make a bunch of different valvebodies and the $1,000 core is crazy on stocking 10 different ones.

Dan Tucker


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From: trnw2-bounces at trnw.net<mailto:trnw2-bounces at trnw.net> <trnw2-bounces at trnw.net<mailto:trnw2-bounces at trnw.net>> on behalf of Dan Hogan via trnw2 <trnw2 at trnw.net<mailto:trnw2 at trnw.net>>
Sent: Wednesday, May 14, 2025 4:56 PM
To: Technical Discussion Forum <trnw2 at trnw.net<mailto:trnw2 at trnw.net>>
Subject: Re: TRNW-2: 8L90, shift kit

Sidney,

Been using the Transgo kit here with good success.  Solenoid accumulator bores seem to be the sore spot here.  They sell tooling separately.

https://transgo.com/products/8l45-8l90/


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Dan Hogan

Buster's Transmission Service

https://busterstransmission.com

704.847.5321

________________________________
From: trnw2-bounces at trnw.net<mailto:trnw2-bounces at trnw.net> <trnw2-bounces at trnw.net<mailto:trnw2-bounces at trnw.net>> on behalf of Sidney Bernard via trnw2 <trnw2 at trnw.net<mailto:trnw2 at trnw.net>>
Sent: Wednesday, May 14, 2025 10:12 AM
To: trnw2 at trnw.net<mailto:trnw2 at trnw.net> <trnw2 at trnw.net<mailto:trnw2 at trnw.net>>
Subject: TRNW-2: 8L90, shift kit

Date: Wed May 14 7:12:24 PDT 2025
Subject: 8L90, shift kit

what 8l90 kit is everyone using ? i see there is transgo and translab .

Sidney Bernard
Minute Muffler
Armena, Alberta Canada
TRNW Member Since: 4/11/2008

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